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Hitachi MK-96RD617-08 User's Manual

1. H piil The SPM button and the Volume Migration button are not displayed Performance Management Window displayed When You Logged in as a Storage Partition Administrator Preparing for Performance Manager Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Export Tool Limitations The Export Tool functions which are limited when you logged in as a storage partition administrator are as follows Only the monitoring data about SLPR allocated to the user ID can be exported into files When a storage partition administrator use the group subcommand with specifying the PPCG or PPCGWWN operand to export the monitoring data about SPM groups or the host bus adapters belonging to these SPM groups an error will occur in the following conditions One SPM group contains multiple host bus adapters which are allocated to different SLPRs One host bus adapter is connected to multiple ports which exist in different SLPRs The monitoring data about remote copy operations performed by TrueCopy TrueCopy for IBM z OS Universal Replicator and Universal Replicator for IBM z OS cannot be exported A storage partition administrator cannot use the set subcommand to start or stop monitoring or change the gathering interval Preparing for Performance Manager Operations 3 5 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Preparing for Perf
2. batch file c WINDOWS gt cd c export Go to the directory containing runWin bat c export gt runWin bat Execute runWin bat Figure 7 5 Example of Executing a Batch File on a Windows Computer When the Export Tool starts exporting monitoring data dots are issued to the standard output for example the command prompt The dots increment as export processing continues If an internal error occurs the exclamation mark is issued to the standard output and the Export Tool attempts to restart exporting data If the export processing restarts dots reappear and increment until export processing finishes 7 24 Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 2 svpip 158 214 135 57 Displays the currently running subcommand 3 login User expusr Passwd KAaKKKA KKK Displays the currently running subcommand 6 group Port Displays the currently running subcommand 20 apply Displays the currently running subcommand Start gathering port data Indicates that the export processing starts Target 16 Total 16 4t 4 4 4 ff ttt tt ey acids Sige ee aire eoeriane a E EA Indicates that an error occurs during the export E Reig tere Sealig re Sante brs E S gypsy S deters Dots appear and increment as the export processing continues End gathering port data Indicates that the export process
3. I1 O rate at each port connected to a specified host bus adapter Displayed when a host bus adapter is selected Al Pot Current lOPS Ave ae J Max lOPS Response Timelms Attribute CL1 4 20 2000 Prio CL1 B EE 1620 3 600 Non Prio Figure 5 19 1 O Rates for Host Bus Adapters WWN Tab The list displays the following e 4 When the green checkmark icon M is displayed on the left of an item the graph displays changes in workload statistics about the item e Group Indicates SPM groups e WWN Indicates WWNs of the host bus adapters e SPM Name Indicates SPM names of host bus adapters Server Priority Manager allows you assign an SPM name to each host bus adapter so that you can easily identify each host bus adapters in the Server Priority Manager windows e Port Indicates ports on the storage system e Current Indicates the current I O rate e Ave Indicates the average I O rate for the specified period e Max Indicates the maximum I O rate for the specified period e Response Time This column indicates the time for replying from the host bus adapter SPM group or port when I O accesses are made from the host to them The unit is milliseconds The average response time in the period specified at Monitoring Term is displayed e Attribute Indicates the priority of each host bus adapter HBA Prio indicates a high priority HBA a prioritized WWN Non Prio indicates a low prio
4. ccccccceecseeeeeeeeeeeeeeees 4 3 LDEV Tab of the Performance Monitor WindOW cccsseeeeeeeeeeeeeeeeeneenaneees 4 9 Port LUN Tab of the Performance Monitor Window scccseeeeeeeeeeeeeneenanes 4 15 WWN Tab of the Performance Monitor WiNdOW cccccsseeeeeeeeeeeeeeeeeeneees 4 21 Monitoring Options WINdOW ssssssssssssrresrsesresrnssresrnsrrtsrrnrrrsrrnrrrtrrerreerree 4 25 Other WING WS caste ce ndsansseausucacrienreSeiatratates vasa ccaidicnaciiudiadiaaasstiae ives 4 29 Port Tab of the Server Priority Manager WINdOW cccseseeseeeeeeeeeneeeeneenanes 4 30 WWN Tab of the Server Priority Manager Window ccccseeeseeeeeeeeeeeeeeneees 4 34 Performance Monitor Operations sessssssserssrrererrsrrrrerrsrrernrrsrrsrrersrrerne 5 1 Start MONItONN erdiren a a a ra a i 5 2 View the Monitoring Results s snesnsrnsinsnerrsrrrrrsrrrrrrrerrsrrrrrsrerrnrrrrrsrerrni 5 4 Starting and Stopping Storage System MONitoring ccccsesecseseeeeeeeeeeeeeees 5 6 Viewing Usage Statistics on Parity Groups cccceceeeesseeeeeeeeeeeeeeeeeeneeeeneenanes 5 8 Viewing Usage Statistics on Volumes in Parity Groups eseese 5 10 Viewing Usage Statistics on External Volume GrOUPS cccceeeeeeeeeee seen eeenes 5 14 Viewing Usage Statistics on External Volumes in External Volume Groups 5 16 Viewing Usage Statistics on Channel Processors cccssseeeeeeeeeseeeeneeneneenes 5 18 Viewing Usage Statistics o
5. Paths between adapters and cache switches ia Ave Total Max CHA 1P CSVV 1N 60 86 CHA 1P CSV 1A 60 86 CHA 1Q CSW 1N 60 86 CHA 1Q CSW 1A 60 86 CHA 1R CSVV 1N 60 86 CHA 1R CSYV 1A 60 86 CHA 15 CSW 1N 60 86 CHA 15 CSW 1A 60 86 Paths between adapters and shared memories Performance Monitor Operations 5 25 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide z es o paced ii Ave Total A CHA 1P Side A 50 CHA 1P Side B 50 CHA 1Q Side A 50 CHA 1Q Side B 50 CHA 1R Side A 50 CHA 1R Side B 50 CHAIS SideA 50 CHA 18 Side B 50 Paths between cache switches and cache memory z H GEN Cace Ave Total i 70 CSW 1N CACHE 1T CSW 1A CACHE 1T 70 CSVV 2M CACHE 1T 70 CSW 2Z CACHE 1T 70 CSVW 1N CACHE 1U 70 CSW 1A CACHE 1U 70 CSVV 2M CACHE 1U 70 CSW 2Z CACHE 1U 70 Figure 5 12 Examples of Usage Statistics Displayed in the List e KA When the green checkmark icon Ml is displayed on the left of the access path the graph illustrates changes in usage rate for the access path e Adapter This column indicates adapters e CSW This column indicates cache switches e SM This column indicates shared memories e Cache This column indicates the cache memories e Usage The Ave Total column displays the average usage rate for the specified period The
6. RCLU RCLDEV RCCLPR Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide TC Monitor window and TCz Monitor window Statistics about remote copy operations by TrueCopy and TrueCopy for IBM z OS in complete volumes RemoteCopy_dat ZI P Table 7 10 Statistics about remote copy operations by TrueCopy and TrueCopy for IBM z OS for each volume LU RCLU_dat ZIP Table 7 11 Statistics about remote copy operations by TrueCopy and TrueCopy for IBM z OS for volumes controlled by a particular CU RCLDEV_XXXXX ZIP 3 Table 7 12 Statistics about remote copy operations by TrueCopy and TrueCopy for IBM z OS at CLPR Using the Export Tool RCCLPR_dat ZIP Table 7 13 Window of Monitoring Data Saved in Saved ZIP File Performance the File Monitor UniversalRe UR Monitor Statistics about remote UniversalReplicator Table 7 14 plicator window and copy operations by ZIP URz Monitor Universal Replicator and window Universal Replicator for IBM z OS for entire volumes URJ NL Statistics about remote URINL_dat ZIP Table 7 15 copy operations by Universal Replicator and Universal Replicator for IBM z OS for journal groups URLU Statistics about remote URLU_dat ZIP copy operations by Table 7 1 Universal Replicator and R 3 Universal Replicator for IBM z OS for each volume LU URLDEV Statistics about
7. TC Monitor window TCz Monitor window UR Monitor window URz Monitor window These windows are not displayed The user cannot view the information about remote copy operations performed by TrueCopy TrueCopy for IBM z OS Universal Replicator and Universal Replicator for IBM z OS Monitoring Options window The Monitoring Options windows are not displayed The user cannot start or stop monitoring or change the gathering interval Preparing for Performance Manager Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 3 3 3 4 The TC Monitor window TCz Monitor window UR Monitor window URz Monitor window and the Monitoring Options window are not displayed Performance Management I Performance Monitor Monitoring Switch Enable Gathering Interval 5 min Monitoring g Term Monitoring Data B Target CL1 A E8 2 00 Host 20 Z 01 Host21 E 02 Host22 E 03 Host 23 C 5 C 2nd C9 D C7 D C6 D C5 D C3 Initiato External ET 2006 05 02 19 34 2006 05 03 03 04 0000000000000007 0000000000000008 SPM 08 0000000000000009 SPM 09 ooooo0000000000A SPM 10 ANNnANnANnANANNAANNR SPM The WWN tab is not displayed Figure 3 1 The tree and list display only the information in the SLPR allocated to the user ID 11 23 00 Ave min
8. Inthe text box select the number that you want to change Next click the upward or downward arrow button When you specify dates and time in From and To Performance Monitor calculates the length in minutes of the specified period and displays the calculated length When calculating the length in minutes Performance Monitor rounds up the fraction A Note From and To are unavailable if the monitoring data that is obtained statistics is not stored in the storage system e The Real Time option lets you view statistics in real time mode where statistics are updated at a gathering interval you specify between 1 and 15 minutes 4 22 Using the Performance Manager GUI Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide When you select the Real Time option use the list to select the number of recent collections of statistics which should be displayed in the graph You can select the number of times from 5 or 90 This setting determines the range of recent statistics to be displayed in the graph For example suppose the gathering interval is 1 minute In this case if you select 90 from the list the graph displays statistics obtained in the last 90 minutes multiplying 1 minute by 90 times e Inthe Monitoring Data area the list on the upper right of the list specifies the type of statistics to be displayed in the window If you want to view I O rates select LOPS I Os per second from the list
9. e SPM Name Indicates SPM names of the host bus adapters Server Priority Manager allows you assign an SPM name to each host bus adapter so that you can easily identify each host bus adapters in the Server Priority Manager windows e Nickname Indicates the nickname for the host bus adapters LUN Manager allows you to assign a nickname to each host bus adapter so that you can easily identify each host bus adapter in the LUN Manager windows e Current Indicates the current transfer rate e Ave Indicates the average transfer rate for the specified period e Peak Indicates the peak transfer rate of the ports for the specified period This value is shown in the list when you select the Subsystem folder in the tree If you select a port in the list click Draw and select the Detail check box the detailed graph of the port transfer rate is drawn The Peak value means the top of the Max line in this graph e Max Indicates the maximum transfer rate for the specified period This value is shown in the list when you select a port icon or host group icon in the tree Performance Monitor Operations 5 39 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Response Time This column indicates the time for replying from the port or host bus adapter when I O accesses are made from the host to them The unit is milliseconds The average response time in the period specified at Monitoring Term is displayed
10. Read lOPS Vvrite IOPS Read Hit Vvrite Hit Back Trans cou Response Time ms cLPR 4 6 5 008 00 CLPRO 5 6 7 5 009 01 CLPR1 6 7 8 5 01 0 02 CLPR2 7 8 9 5 011 O3 CLPR3 8 9 10 5 01 2 00 CLPRO 3 10 i 5 013 01 CLPR1 5 28 Performance Monitor Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide I O rate for parity groups or external volume groups When the Box 1 folder is selected KA Pe IO Rate ioPs Reaa lOPS WritelOPS Read Hit Write Hit Back Trans cou Response Time ms 1 1 1 4 2 3 5 6 5 008 00 CLPRO 1 2 2 3 4 5 6 E 5 009 01 CLPR1 1 3 3 4 5 6 7 8 5 010 02 CLPR2 1 4 4 5 6 fi 8 9 5 011 03 CLPR3 KA LDEV Emulation IO Rate lOPS Read lOPS VWrite lOPS Read Hit Write Hit Back Trans count sec Response Time ms CLPR 00 00 00 OPEN V 1 2 3 4 5 6 5 008 O00 CLPRO 00 00 01 OPEN V 2 3 4 5 6l 7 5 009 O00 CLPRO 00 00 02 OPEN V 3 4 5 6l 7 8 5 010 O0 CLPRO 00 00 03 OPENV 4 a el 7 Gi 5 011 00 CLPR0 01 00 04 OPENV 5 B 7 a 9 10 5 012 00 CLPRO 01 00 05 OPEN V 6 7 gj 10 14 5 013 O0 CLPRO 01 00 06 OPEN V 7 8 g 10 1 12 6 014 O0 CLPRO Figure 5 13 1 O Rates for Disks Notes e Itis possible that the I O rate for a parity group or an external volume group is not equal to the sum of the I O rate for each volume in that group
11. HITACHI Inspire the Next Hitachi Universal Storage Platform V Hitachi Universal Storage Platform VM Hitachi Performance Manager User s Guide Performance Monitor and Server Priority Manager Document Organization Product Version Getting Hel Contents Hitachi Data Systems MK 96RD617 08 Copyright 2008 Hitachi Data Systems Corporation ALL RIGHTS RESERVED Notice No part of this publication may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying and recording or stored in a database or retrieval system for any purpose without the express written permission of Hitachi Data Systems Corporation hereinafter referred to as Hitachi Data Systems Hitachi Data Systems reserves the right to make changes to this document at any time without notice and assumes no responsibility for its use Hitachi Data Systems products and services can only be ordered under the terms and conditions of Hitachi Data Systems applicable agreements All of the features described in this document may not be currently available Refer to the most recent product announcement or contact your local Hitachi Data Systems sales office for information on feature and product availability This document contains the most current information available at the time of publication When new and or revised information becomes available this entire document will be updated and distribut
12. indicates that you can choose a b or nothing braces Indicates required or expected values Example a b indicates that you must choose either a or b x Preface Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Indicates that you have a choice between two or more options or arguments Examples a b indicates that you can choose a b or nothing vertical bar a b indicates that you must choose either a or b underline Indicates the default value Example a b This document uses the following icons to draw attention to information op e e S A Note Calls attention to important and or additional information Tip Provides helpful information guidelines or suggestions for performing tasks more effectively Caution Warns the user of adverse conditions and or consequences e g disruptive operations WARNING Warns the user of severe conditions and or consequences e g destructive operations Convention for Storage Capacity Values Physical storage capacity values e g disk drive capacity are calculated based on the following values 1 KB 1 000 bytes 1 MB 1 000 bytes 1 GB 1 000 bytes 1 TB 1 000 bytes 1 PB 1 000 bytes Logical storage capacity values e g logical device capacity are calculated based on the following values 1 KB 1 024 bytes 1 MB 1 024 bytes 1 GB 1 024 bytes 1 TB 1 024
13. If you want to view transfer rates select MB s megabytes per second from the list e The tree contains the Subsystem folder Below the Subsystem folder are SPM groups which are groups of multiple WWNs When you double click an SPM group the host bus adapters B belonging to that SPM group are displayed The WWN and the SPM name of the host bus adapter are displayed to the right of the icon If you double click Not Grouped in the tree host bus adapters WWNs that do not belong to any SPM group are displayed If the WWN of a host bus adapter HBA is displayed in red in the tree the host bus adapter is connected to two or more ports but the traffic between the HBA and some of the ports are not monitored by Performance Monitor When many to many connections are established between HBAs and ports make sure that all the traffic between HBAs and ports is monitored see Monitoring All Traffic between HBAs and Ports for instructions e The list displays statistics that is I O rates transfer rates or average response time For details on the list contents see Monitoring Paths between Host Bus Adapters and Ports e The SPM button starts the Server Priority Manager program product if Server Priority Manager is enabled For details on Server Priority Manager see Overview of Server Priority Manager and Server Priority Manager The SPM button is deactivated in real time mode To start Server Priority Manager activate the From and
14. Indicates monitoring data If a value is 1 the value indicates that Performance Monitor failed to obtain the data for some reason For detailed information refer to the troubleshooting information later in this appendix Notes e inthis LU_IOPS csv file the last four digits of a table column heading such as 0001 and 0002 indicate an LUN For example the heading CL1 A 00 1A G00 0001 indicates the port CL1 A the host group ID 00 the host group name 1A GO00 and the LUN 0001 e f you export monitoring data about concatenated parity groups the resulting CSV file do not contain column headings for the concatenated parity groups For example if you export monitoring data about a concatenated parity group named 1 3 1 4 you will be unable to find 1 3 1 4 in column headings To locate monitoring data about 1 3 1 4 find the 1 3 column or the 1 4 column Either of these columns contains monitoring data about 1 3 1 4 Figure 2 2 Example of a Text File About Performance Manager Options 2 15 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Notes When you run the Export Tool text files are usually compressed in a ZIP format archive file To be able to open a text file you must use decompress the ZIP file to extract the text files Text files are in CSV comma separated value format in which values are delimited by commas Many spreadsheet applications can be used to open CSV files Do not
15. Server Priority Manager Operation 6 15 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 6 Click Apply The settings in the window are applied to the storage system The upper limit value that you entered turns black If an upper limit of the non prioritized WWN is set to zero or nearly zero I O performance might be lowered If I O performance is lowered the host cannot be connected to the storage system in some cases Setting a Threshold If threshold control is used upper limit control is automatically disabled when traffic between production servers and the storage system is reduced to a specified level For details see Upper Limit Control and If One to One Connections Link HBAs and Ports If one to one connections are established between HBAs and ports you can set the threshold value by the following two ways e Seta threshold value for each prioritized port e Set one threshold value for the entire storage system The procedures for these operations are explained below To set threshold values to traffic at prioritized ports 1 Start Server Priority Manager The Server Priority Manager window is displayed 2 Select the Port tab 3 To set a threshold value for each prioritized port select the type of rates for the threshold value from the list at the upper lest corner of the list To use the I O rates for the threshold value select lOPS To use the transfer rates for the thresho
16. The gathering interval in long range is fixed to 15 minutes To end monitoring specify off If this operand is omitted the set subcommand does not make settings for starting or ending monitoring The following command file saves port statistics and then ends monitoring ports svpip 158 214 135 57 login expusr passwd show group Port short range 200604010850 200604010910 apply set switch off The following command file starts monitoring remote copy operations The sampling time interval is 10 minutes svpip 158 214 135 57 login expusr passwd set switch 10 Using the Export Tool 7 65 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide help Subcommand Syntax help Description The help subcommand displays the online help for subcommands If you want to view the online help It is recommended that you create a batch file and a command file that are exclusively used for displaying the online help For detailed information refer to Example below Example In this example a command file cmdHelp txt and a batch file runHelp bat are created in the C export directory in a Windows computer e Command file c export cmdHelp txt help e Batch file c export runHelp bat Java classpath lib JSanExport jar lib JSanRmiServerSx jar Xmx536870912 Dmd command cmdHelp txt Dmd logpath log sanproject getmondat RJMdMain pa
17. WWN for one port the setting is applied to all the other connected ports automatically The Upper columns let you specify the upper limit on the I O rate and the transfer rate for each host bus adapter Either of the 1OPS or MB s column in the list is activated depending on the selection from the list above The LOPS column lets you specify the upper limit for I O rates The MB s column lets you specify the upper limit for transfer rates To specify an upper limit double click a cell to display the cursor in the cell If you specify a value in either of the LOPS or MB s column the other column is deactivated You can specify upper limit values for I O rates and transfer rates all together for different non prioritized WWNs Notes A If one host bus adapter connects to multiple ports the setting of the upper limit value for a non prioritized WWN is common to all the ports Therefore if you specify a upper limit value of non prioritized WWN for one port the setting is applied to all the other connected ports automatically You cannot change the upper limit value of a host bus adapter that has registered on an SPM group The upper limit value of such a host bus adapter is defined by the setting of the SPM group to which the host bus adapter is registered For details on setting the upper limit value of an SPM group see Setting an Upper Limit Value to HBAs in an SPM Group The Upper columns will not display if an SPM group a or
18. a 1 1 5 5 00 14 01 OPEN V n 12 3 4 1 2 5 1 5 2 00 14 02 OPEN V_ A 3J A SE Si 1 3 5 3 5 4 00 14 03 OPENv 13 14 5 el 1 4 2 1 E 22 Pays ex 3 2 Chart Y Axis Rate ha 7 E 8 1 s 2 ao a r i 101 10 2 80 11 1 70 11 2 60 Ej amp External Group 50 C Client Host Interface Processor 40 00 14 03 Q Array Control Processor ACP 30 amp cache E amp Access Path Usage aA 0 5 2 09 00 13 00 17 00 21 00 5 3 05 00 01 00 4 gt Ave 15min Figure 5 2 Performance Management Window Performance Monitor Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide The information you can view by selecting each tab for the tree is explained below e Physical tab Enables you to view usage statistics about resources in the storage system e LDEV tab Enables you to view statistics about workload on disks e Port LUN tab Enables you to view statistics about traffic at ports and LU paths in the storage system e WWN tab Enables you to view statistics about traffic at path between host bus adapters HBAs and ports Two sliders are displayed on the upper right of the Performance Management window To the left and right of the two sliders dates and times are displayed The term between these dates and times is the period in which statistics are stored If the date and time on the left is 2007 03 27 16 00 and the date and time
19. bus adapter existed in a server on which the high priority processing is performed as a prioritized WWNs Specify a host bus adapter existed in a server on which the low priority processing is performed as a non prioritized WWNs To set priority to host bus adapters 1 Start Server Priority Manager The Server Priority Manager window is displayed 2 Select the WWN tab 3 Select All from the list at the top right corner of the window 6 22 Server Priority Manager Operation Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 4 In the upper left tree double click a port 5 Double click Monitor which is displayed below the specified port 6 Check to see if all the WWNs of the host bus adapters to be controlled by using Server Priority Manager appear below Monitor If some of the WWNs are missing use the procedure in Monitoring All Traffic between HBAs and Ports to move all WWNs to below Monitor 7 Click Monitor to display the information of the host bus adapters that are monitored in the list on the right of the tree 8 Right click a host bus adapter WWN in the list and then select Non Prio gt gt Prio from the pop up menu The Attribute column of the selected WWN in the list displays Prio If you want to specify more than one prioritized WWN repeat this operation Note You cannot change the priority of a WWN which is contained in an SPM group For details on how to change the at
20. bytes 1 PB 1 024 bytes 1 block 512 bytes Preface xi Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Getting Help If you need to call the Hitachi Data Systems Support Center please provide as much information about the problem as possible including e The circumstances surrounding the error or failure e The content of any error message s displayed on the host system s e The content of any error message s displayed on Storage Navigator e The USP V VM Storage Navigator configuration information saved on diskette using the FD Dump Tool see the Storage Navigator User s Guide e The service information messages SIMs including reference codes and severity levels displayed by Storage Navigator The Hitachi Data Systems customer support staff is available 24 hours day seven days a week If you need technical support please call e United States 800 446 0744 e Outside the United States 858 547 4526 Comments Please send us your comments on this document Make sure to include the document title number and revision Please refer to specific section s and paragraph s whenever possible e E mail doc comments hds com e Fax 858 695 1186 e Mail Technical Writing M S 35 10 Hitachi Data Systems 10277 Scripps Ranch Blvd San Diego CA 92131 Thank you All comments become the property of Hitachi Data Systems Corporation xii Preface Hitachi Universal Storage
21. displayed in the tree the WWN and SPM name are displayed to the right of the host bus adapter icon 8 If the WWN of a host bus adapter HBA is displayed in red in the tree the host bus adapter is connected to two or more ports but the traffic between the HBA and some of the ports is not monitored by Performance Monitor When many to many connections are established between HBAs and ports you should make sure that all the traffic between HBAs and ports is monitored For details on the measures when a WWN is displayed in red see Monitoring All Traffic between HBAs and Ports The list on the right of the tree changes depending on the item you selected in the tree as follows When you selected the Subsystem folder the list displays the information of SPM groups When you selected an SPM group icon P the list displays the information of host bus adapters E contained in that SPM group e The Add WWN button lets you add a host bus adapter to an SPM group Before using this button you must select a host bus adapter B from the upper left tree and also select an SPM group from the lower left tree You can add a host bus adapter that appears below Monitor and does not registered on any other SPM group yet If you select a host bus adapter below Non Monitor or a host bus adapter already registered on an SPM group the Add NNW button is deactivated e The list at the upper left corner of the list enables you to change the ty
22. in the tree the list displays I O rates for host bus adapters in the host group 7 To display a graph to find out how the I O rate has been changed take the following steps a In the list select one or more ports or host bus adapters WWNs b Click Draw A Caution If the graph does not display changes in the I O rate for example if the line in the graph runs vertically it is recommended that you change the value in the Chart Y Axis Rate list For example if the largest value in the list is 200 and the value in Chart Y Axis Rate is 100 you should select a value larger than 200 from Chart Y Axis Rate 1 O rate for ports When the Subsystem folder is selected Port Current lOPS Ave lOPS Total Peak lOPS Response Time ms Attribute All Prio indicates All Prio 14 19 1 999 __Prio __ all the prioritized All Non Prio 13 18 1 998 Non Prio ports All Non Prio indicates all the non prioritized ports I O rate for ports When the Target folder is selected Current lOP S Ave lOPS Total Peak lOPS Response Time ms Attribute CL1 A E8 15 20 2 000 Prio CL3 A E4 65 70 2 050 Non Prio CL5 A E2 115 120 2 100 Non Prio CL A E1 165 170 2 150 Prio CL1 B E0 215 220 2 200 Prio CL3 B DC 265 270 2 250 Non Prio CL5 B DA 315 320 2 300 Non Prio I O rate for ports When the I nitiator External folder is sele
23. lib directory Using the Export Tool 7 17 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Installing the Export Tool on a UNI X Computer To install the Export Tool on a UNIX computer 1 Create a directory on your UNIX computer In later steps you will install the Export Tool on the new directory 2 Mount the Export Tool installation media 3 Do one of the following If you are using Solaris locate the archive file export tar in the directory program monitor solaris in your CD ROM disc and then copy export tar to the new directory that you created earlier If you are using HP UX locate the archive file export tar in the directory program monitor HP UX in your CD ROM disc and then copy export tar to the new directory that you created earlier 4 Decompress export tar on your computer The Export Tool is installed Also a new directory named export is created Notes A The export directory contains a couple of files which include runWin bat It is recommended that you delete runWin bat because this file is no longer needed The Export Tool program is a Java class file and is located in the export lib directory 7 18 Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Using the Export Tool To be able to export monitoring data you must prepare a command file and a batch file This section explains how
24. 00 00 Ave Amin Figure 4 12 Chart Y Axis Rate List Detail Check Box and the List to Select the I tem to be Displayed Port LUN tab Using the Performance Manager GUI Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Monitoring Options Window When you click Go Performance Manager and then Performance Management on the menu bar of the Storage Navigator main window Performance Monitor starts When you click the Monitoring Options tab the Monitoring Options window is displayed Use it to make settings for obtaining usage rates about hard disk drives channel processors disk processors etc A Note This note explains the following statistics to be displayed in tabs of Performance Management windows The statistics of LUs that are displayed in the Port LUN tab The statistics of volumes that are displayed in the LDEV tab In the above tabs performance statistics of unused volumes are displayed as hyphens if the range of monitored CUs does not match the range of CUs used in the disk storage system or registered as external volumes In addition depending on your disk subsystem configuration the list may display performance statistics for some volumes and not display performance statistics for other volumes To correctly display performance statistics you must specify CUs to be monitored as follows To display performance statistics of a LUSE volume in the Port LUN tab you must specif
25. 1 939 2 439 2 450 Initiator CL5 E D4 1 988 2 488 2 500 External CL E 5 E 2nd D3 2 037 2 537 2 550 External 5 38 Performance Monitor Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Transfer rate for host bus adapters connected to a specified port When a port for example and is selected Al wn SPM Name current mB s Ave MB s Total Max MB s Response Time ms attribute oooooooo00000001 _SPM 1 1 500 2 000 2 000 Non Prio ooo0000000000002 SPM 2 z 1 549 2 049 2 050 Non Prio ooo0000000000003 SPM 3 1 598 2 098 2 100 Non Prio ooo0000000000004 SPM 4 1 646 2 146 2 150 Non Prio ooooooocc0000005 SPM 5 z 1 695 2 195 2 200 Non Prio noo0000000000006 SPM 6 1 744 2 244 2 250 Non Prio Others 1 500 2 000 2000 Transfer rates for host bus adapters in a host group When a host group 22 is selected pa J Ave MB s Total Max MB s Response Time ms Attribute 0000000000000001 WAN 1 500 2 000 2 000 Non Prio godo000000000002 wn 1 549 2 049 2 050 Non Prio Figure 5 16 Transfer Rates for Ports The list displays the following e KA When the green checkmark icon Ml is displayed on the left of an item the graph displays changes in workload statistics about the item e Port Indicates ports on the storage system e WWN Indicates WWNs of the host bus adapters
26. 1 961 5 td 5 009 01 CLPR1 1 3 1 962 6 7 8 5 010 02 CLPR2 1 4 1 963 7 8 9 5 011 03 CLPR3 2 1 1 964 8 9 10 5 012 00 CLPR0 2 2 1 965 9 10 11 5 013 01 CLPR1 Transfer rate for parity groups or external volume groups When the Box 1 folder is selected ea e Trans MB s Read m Write A Back Trans outes Response Time ms CLPR 1 960 5 008 00 CLPRO 5 1 961 5 009 01 CLPR1 1 3 1 962 6 7 8 5 010 02 CLPR2 1 4 1 363 7 al 9 5 011 03 CLPR3 Transfer rate for volumes E LDEV Emulation Trans MBis Read Hit Write Hit Back Trans count sec Response Time ms CLPR 00 00 00 OPEN V 1 960 4 5 6 008 O0 CLPRO 00 00 01 OPEN V 1 961 5 6 7 5 009 O0 CLPRO 00 00 02 OPEN V 1 962 6 7 8 5 010 00 CLPR0 00 00 03 OPEN 1 963 7 8 g 5 011 00 CLPR0 01 00 04 OPEN V 1 964 8 3 10 5 012 O0 CLPRO 01 00 05 OPEN V 1 965 EJI 10 11 6 013 O0 CLPRO 01 00 06 OPEN V 1 966 10 11 12 6 014 O0 CLPRO Figure 5 14 Transfer Rates for Disks Notes It is possible that the transfer rate for a parity group or an external volume group is not equal to the sum of the transfer rate for each volume in that group This is because the Performance Management window omits fractions below the decimal point when displaying the transfer rate for each volume If there is no volume in a parity group hyphens are displayed in place of performance statistic
27. 1BU IDs to another parity group 2 X DKP52 1BU 3 4 X DKP53 1BU 12 X 1 DKA AL DKP44 1AL Migrate volumes from parity groups with the following DKP45 1AL IDs to another parity group 5 X DKP46 1AL 13 X DKP47 1AL 1 DKA BL DKP54 1BL Migrate volumes from parity groups with the following DKP55 1BL IDs to another parity group DKP56 1BL GX 14 X DKP57 1BL 1 DKA 1LU DKP60 1LU Migrate volumes from parity groups with the following DKP61 1LU IDs to another parity group 7 X DKP62 1L 15 X DKP63 1LU 1 DKA 1KU DKP70 1KU Migrate volumes from parity groups with the following DKP71 1KU IDs to another parity group 8 X DKP72 1K 16 X DKP73 1KU 1 DKA 1LL DKP64 1LL Migrate volumes from parity groups with the following DKP65 1LL IDs to another parity group 9 X DKP66 1LL 17 X DKP67 1LL About Performance Manager Options Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 2 7 Disk Adapter Migrating Volumes in USP V Storage System DKA 1KL DKP74 1KL Migrate volumes from parity groups with the following DKP75 1KL IDs to another parity group E 10 X DKP76 1KL 18 X DKP77 1KL DKA 2MU DKPCO 2MU Migrate volumes from parity groups with the following DKPC1 2MU IDs to another parity group 1 X DKPC2 2M i 3 X DKPC3 2MU 11 X DKA 2NU DKPDO 2NU Migrate volumes from parity groups with the following DKPD1 2NU IDs to another parity group 2 X DKPD2 2NU 4 X DKPD3 2NU 12 X DKA 2ML DKPC4
28. 24 hours you must select the From option change the date and time in the From and To boxes and then click Apply Use the arrow button and the sliders when you change the date and time in the From and To boxes For details on the Real Time option and the From option see WWN Tab of the Performance Monitor Window Performance Monitor Operations 5 45 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 5 In the tree do one of the following To view the I O rate for host bus adapters in an SPM group select the SPM group The list on the right displays the I O rate To view the I O rate for host bus adapters that do not belong to any SPM group select Not Grouped The list on the right displays the I O rate Tips If you select the Subsystem folder in the tree the list displays the I O rate at each SPM group If you select a host bus adapter B in the tree the list displays the I O rate at each port connected to the selected host bus adapter 6 If you want to display a graph to find out how the I O rate has been changed take the following steps a In the list select one or more SPM groups WWNs or ports b Click Draw A Caution If the graph does not display changes in the I O rate for example if the line in the graph runs vertically try changing the value in the Chart Y Axis Rate list For example if the largest value in the list is 200 and the value in Chart Y Axis Rat
29. 3 In the lower left tree double click the SPM group that contains the host bus adapter to be deleted 4 Below the SPM icon right click the icon the host bus adapter B you want to delete 5 Select Delete WWN from the pop up menu The selected host bus adapter icon is deleted from the tree 6 Click Apply The settings on the window are applied to the storage system Switching Priority of an SPM Group All the host bus adapters HBAs in one SPM group must be of the same priority Prioritized WWNs i e high priority HBAs and non prioritized WWNs i e low priority HBAs cannot be mixed in one SPM group You can use an SPM group to switch priority of multiple HBAs from prioritized to non prioritized or vice versa To switch priority 1 Start Server Priority Manager The Server Priority Manager window is displayed 2 Select the WWN tab 3 In the lower left tree select and right click an SPM group P 4 Do one of the following To switch priority from prioritized to non prioritized select Prio gt gt Non Prio from the pop up menu Server Priority Manager Operation Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 6 29 To switch priority from non prioritized to prioritized select Non Prio gt gt Prio from the pop up menu 5 Click Apply The settings in the window are applied to the storage system Setting an Upper Limit Value to HBAs in an SPM
30. 7 37 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 7 38 Window of Performance Monitor Monitoring Data Saved in the File Saved ZIP File PhyExG PhyExLDEV PhyProc PhyCSW window Usage conditions about external volume groups PhyExG_dat ZIP Usage conditions about external volumes PhyExLDEV_dat ZIP Usage statistics about channel processors disk processors and data recovery and reconstruction processors PhyProc_dat ZIP 1 Usage statistics about access paths write pending rate and cache PhyCSW_dat ZIP 1 PG LDEV LDEV tab in the Performance Management window Statistics about parity groups external volume groups or V VOL groups PG_dat ZIP Table 7 3 Statistics about volumes in parity groups in external volume groups or in V VOL groups LDEV_XXXXX ZIP 2 Table 7 4 Port PortWWN LU Port LUN tab in the Performance Management window Statistics about ports Port_dat ZIP Table 7 5 Statistics about host bus adapters connected to ports PortWWN_dat ZIP Table 7 6 Statistics about LUs LU_dat ZIP Table 7 7 PPCG PPCGWWN WWYN tab in the Performance Management window Statistics about SPM groups PPCG_dat ZIP Table 7 8 Statistics about host bus adapters belonging to SPM groups PPCGWWN_dat ZIP Table 7 9 RemoteCop y
31. 8 hours and 1 day All the statistics that can be monitored by Performance Monitor are collected and stored in short range e Storing in long range Performance Monitor collects statistics at fixed 15 minutes interval and stores them for 3 months i e 93 days The usage statistics about resources in the storage system are collected and stored also in long range in parallel with in short range However some of the usage statistics about resources cannot be collected in long range About Performance Manager Options 2 3 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Performance Management window can display the statistics within the range of the storing periods above You can specify a part of the storing period to display the statistics on the lists and graphs of Performance Monitor All statistics except some information related to Volume Migration can be displayed in short range for the storing period corresponding to the setting for the collecting interval on Performance Management window In addition usage statistics about resources in the storage system can be displayed in both short range and long range because they are monitored in both ranges When you display usage statistics about resources you can select the displayed range For information on using Volume Migration contact the Hitachi Data Systems Support Center see Calling the Hitachi Data Systems Support Center For more
32. For example if the parity group 1 3 is connected with the parity group 1 4 the text 1 3 1 4 appears on the right of the parity group icon All the parity groups connected with 1 3 are enclosed by square brackets Notes A Storage Navigator does not allow you to connect two or more parity groups If you want to use connected parity groups contact the maintenance personnel When the ShadowImage or ShadowImage for IBM z OS quick restore operation is being performed a Storage Navigator window may display old information status before the quick restore operation on volume LDEV configurations In this case wait until the quick restore operation completes and then click File Refresh on the menu bar of the Storage Navigator main window to update the Storage Navigator window e The list displays statistics about disk access performance for example I O rate transfer rate read hit ratio write hit ratio and average response time For details on the list contents see Monitoring Hard Disk Drives If you select connected parity groups in the tree the list displays statistics about disk access performance for all the connected parity groups The list displays up to a maximum of 4 096 resources at a time If the number of resources exceeds 4 096 use Previous and Next to display the remaining resources When you select a folder icon such as Box 1 or Box 3 the concatenated parity group icon is displayed in a list The only p
33. Group 6 30 If all the host bus adapters in an SPM group are non prioritized WWNs i e low priority HBAs you can set an upper limit value to HBA performance i e I O rate or transfer rate You can assign one upper limit value for one SPM group For example suppose that the upper limit value 100 I OPS is assigned to an SPM group consisting of four host bus adapters If the sum of the I O rate of the four HBAs reaches 100 IOPS Server Priority Manager controls the system so that the sum of the I O rates will not exceed 100 IOPS To set an upper limit value to HBAs in an SPM group dl Start Server Priority Manager The Server Priority Manager window is displayed Select the WWN tab In the lower left tree select and right click the Subsystem folder or an SPM group If you selected the Subsystem folder take the following steps a Select LOPS or MB s from the list at the upper left corner of the list Select I OPS if you want to assign an upper limit to the I O rate Select MB s if you want to assign an upper limit to the transfer rate To assign an upper limit to the I O rate enter the upper limit value in the LOPS column of the list To assign an upper limit to the transfer rate enter the upper limit value in the MB s column of the list Tips If you cannot see the LOPS or MB s column scroll the list to the left The column is located at the right side of the list If you selected an SPM group P take t
34. JRE version required for running Storage Navigator For detailed information about the JRE version required for running Storage Navigator see the Storage Navigator User s Guide A user ID exclusively for use with the Export Tool If you want to use the Export Tool you must create a user ID that will be used exclusively with the Export Tool When you create the user ID note the following Permissions of USP V VM programs If you use the Export Tool only to save the monitoring data into files do not assign any permission to the user ID for use with the Export Tool If a user ID having permission is used with the Export Tool the storage system configuration might be changed in an unfavorable way by an unidentified user If you use the Export Tool not only to save monitoring data but also to start or stop monitoring and to change the gathering interval by the set subcommand the user ID needs to have at least one of permissions for Performance Monitor TrueCopy TrueCopy for IBM z OS Universal Replicator and Universal Replicator for IBM z OS User types You can specify any user type for the user ID for use with the Export Tool If you specify storage administrator for the user ID all the monitoring data described from Table 7 2 to Table 7 17 can be saved into files Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide If you specify storage partition administrator
35. Ml is displayed on the left of an item the graph displays changes in workload statistics about the item e LUN Indicates LUNs logical unit numbers e LDEV Indicates IDs of volumes in the following format LDKC CU LDEV An ID ending in indicates the volume is an external volume An ID ending in V or X indicates the volume is a virtual volume e Emulation Indicates emulation types e Paths Indicates the number of LU paths i e paths to volumes e Current Indicates the current transfer rate e Ave Indicates the average transfer rate for the specified period e Max Indicates the maximum transfer rate for the specified period e Response Time This column indicates the time for replying from the LU paths when I O accesses are made from the host to the LU paths The unit is milliseconds The average response time in the period specified at Monitoring Term is displayed This column displays a hyphen if the I O rate is O zero 5 44 Performance Monitor Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Monitoring Paths between Host Bus Adapters and Ports If Server Priority Manager is enabled Performance Monitor can be used to monitor paths between host bus adapters HBAs in host servers and ports on the storage system HBAs are contained in host servers and serve as ports for connecting the host servers to the storage system This section describes how to view I O rates an
36. Monitor recalculates usage rates and updates information in the list To change the date and time in From and To boxes use the arrow buttons and the sliders for details see Performance Management Window Physical Tab 6 To display a graph illustrating changes in usage rate for external volumes 5 16 select the desired external volumes in the list and then click Draw Performance Monitor Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Note The range of monitoring and the gathering interval affects the time period represented by a graduation on the horizontal axis ExLDEV Emulation Response Time ms Trans MB sec 00 08 12 OPEN 2000 2 930 O1 CLPR1 00 08 13 OPEN 2001 2 931 O1 CLPR1 00 08 14 OPEN 2002 2 932 O1 CLPR1 00 08 15 OPEN 2003 2 933 O1 CLPR1 Figure 5 6 Example of External Volume Usage Rates Displayed Note If the CU is not the monitoring target all items in the row are displayed in italics If you want to monitor those items specify the CU as the monitoring target by using the Monitoring Option window The list displays the following items KA When the green checkmark icon M is displayed on the left of a external volume the graph illustrates changes in usage rate for the external volume ExLDEV This column indicates external volumes in this format LDKC CU LDEV A number ending in indica
37. Platform V VM Hitachi Performance Manager User s Guide Overview of Performance Manager The Hitachi Universal Storage Platform V and Hitachi Universal Storage Platform VM herein after referred to as USP V VM includes a suite of performance management software products that allow you to monitor and tune storage system performance The Performance Manager suite includes the following O Performance Monitor O Server Priority Manager Restrictions The Auto Migration function is not supported in this version Overview of Performance Manager 1 1 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Performance Monitor 1 2 Performance Monitor lets you obtain usage statistics about physical hard disk drives volumes processors or other resources in your storage system Performance Monitor also lets you obtain statistics about workloads on disk drives and traffic between hosts and the storage system The Performance Management window displays a line graph that indicates changes in the usage rates workloads or traffic You can view information in the window and analyze trends in disk I Os and detect peak I O time If system performance is poor you can use information in the window to detect bottlenecks in the system When using Performance Monitor you must specify the volumes to be monitored in control units Therefore depending on your disk subsystem configuration the list may display pe
38. Platform V VM Hitachi Performance Manager User s Guide Server Priority Manager Operation This chapter explains the following server priority manager operations O Overview of Server Priority Manager Operations O Port Tab Operations Oo WWN Tab Operations Server Priority Manager Operation 6 1 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Overview of Server Priority Manager Operations Procedures for using Server Priority Manager depend on connection between host bus adapters and storage system ports If one to one connections are established between host bus adapters and ports you specify the priority of I O operations upper limit value and threshold value on each port Because one port connects to one HBA you can define the server priority by the port However if many to many connections are established between host bus adapters and ports you cannot define the server priority by the port because one port can connect to multiple host bus adapters and also multiple ports can connect to one host bus adapter Therefore in the many to many connection environment you specify the priority of I O operations and upper limit value on each host bus adapter In this case you specify one threshold value for the entire storage system If one to one connections are established between host bus adapters and ports you use the Port tab of the Server Priority Manager window If many to many
39. Storage Platform V VM Hitachi Performance Manager User s Guide Command Syntax This section explains the syntax of subcommands that you can write in your command file This section also explains the syntax of the Java command that should be used in your batch file e Conventions used in this section This section uses the following symbols and typefaces to explain syntax A Indicates a space bold Indicates characters that you must type as they are italics Indicates a type of an operand You do not need to type characters in italics as they are Indicates one or more operands that can be omitted If two or more operands are enclosed by these square brackets and are delimited by vertical bars you can select one of the operands 9 Indicates that you must select one operand from the operands enclosed by the braces Two or more operands are enclosed by the braces and are delimited by vertical bars Indicates that a previously used operand can be repeated Table 7 22 Syntax Descriptions The Syntax I ndicates that You Can Write the Following Script connectAip address connect 123 01 22 33 destinationA directory destination destination c temp compressA yes no compress compress yes compress no answerA yes no answer yes answer no portsA name A ports ports port 1 ports port 1 port 2 7 30 Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performan
40. Systems Support Center When longrange is selected e The value displayed at Gathering Interval is ineffective The gathering interval is fixed to 15 minutes regardless of the displayed value e You cannot view the statistics of external volume groups and external volumes and hyphens appear in the list instead of these values In this case you cannot draw the graph To view this data select shortrange For details on viewing the usage statistics of external volume groups and external volumes see Viewing Usage Statistics on External Volume Groups and Viewing Usage Statistics on External Volumes in External Volume Groups e You cannot view the ratio of ShadowImage processing and so on to all processing and the usage statistics about cache memory For details on the ratio of ShadowImage processing and so on to all processing see the description about the Shadow mage column in Viewing Usage Statistics on Volumes in Parity Groups Short Range Storage When shortrange is selected the Performance Management window displays the statistics collected and stored in short range The usage statistics about resources are collected with the interval indicated by Gathering Interval The storing period of statistics which is equivalent to the range of monitoring data that can be displayed changes between 8 hours and 15 days depending on the gathering interval When shortrange is selected the Volume Migration button is deactivated In
41. a host bus adapter B is selected in the lower left tree e If you select the All Thresholds check box and enter a threshold value in the text box the threshold value will be applied to the entire storage system If you want to specify the threshold for the I O rate select 1OPS from the list on the right of the text box If you want to specify the threshold for the transfer rate select MB s from the list For example if you specify 128 IOPS in All Thresholds the upper limits on non prioritized WWNs are disabled when the sum of I O rates for all the prioritized WWNSs is below 128 IOPS 4 38 Using the Performance Manager GUI Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Even if you use the different type of rate LOPS or MB s for the threshold as that used for the upper limit values of the non prioritized WWNs the threshold control can work for all the WWNs In the WWN tab you cannot specify individual thresholds for each host bus adapter e If you check the Delete ports if CHA is removed checkbox Server Priority Manager will delete from SVP the setting information of Server Priority Manager on ports in channel adapters that have been removed When a channel adapter is removed the port and its settings will disappear on the Server Priority Manager window automatically but that remains in SVP This may cause that the old setting for Server Priority Manager are applied to a different chan
42. about statistics that can be monitored in short and long ranges see the description of Performance Management window in Performance Monitor Window For more about the relationship between collection interval and the storing period of the statistics see Monitoring Options Window Parity Group Usage Statistics A parity group is a group of hard disk drives HDDs that form the basic unit of storage for the USP V VM storage system All HDDs in a parity group must have the same physical capacity The USP V VM supports three types of parity groups as follows e RAID 1 parity group A RAID 1 parity group consists of two pairs of HDDs in a mirrored configuration e RAID 5 parity group A RAID 5 parity group consists of four or eight HDDs One of these HDDs is used as a parity disk e RAID 6 parity group A RAID 6 parity group consists of eight HDDs Two of these HDDs are used as a parity disk If the monitor data shows overall high parity group usage you should consider installing additional HDDs and using Volume Migration to migrate the high usage volumes to the new parity groups If the monitor data shows that parity group usage is not balanced you can use Volume Migration to migrate volumes from high usage parity groups to low usage parity groups For information on using Volume Migration contact the Hitachi Data Systems Support Center see Calling the Hitachi Data Systems Support Center For details on how to view usage statistics about pa
43. by this operand see Using the Export Tool 7 49 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Table 7 12 When you specify variables LDKC CU id you can narrow the range of LDKC CUs that control the volumes whose monitoring data are to be exported LDKC CU id is an ID of a LDKC CU The colon indicates a range For example 000 105 indicates LDKC CUs from 00 00 to 01 05 Ensure that the LDKC CU id value on the left of the colon is smaller than the LDKC CU id value on the right of the colon For example you can specify RCLDEV 000 105 but you cannot specify RCLDEV 105 000 If LDKC CU id is not specified the monitoring data of all the volumes will be exported RCCLPR Use this operand when you want to export statistics about remote copy operations which are displayed in the TC Monitor window and the TCz Monitor window By using this operand you can export monitoring data about remote copy operations performed by TrueCopy and TrueCopy for IBM z OS at each CLPR When statistics are exported to a ZIP file the file name will be RCCLPR_dat ZIP For details on the statistics exported by this operand see Table 7 13 A Note Monitoring data are grouped by SLPR and are exported per CLPR If there are two SLPRs that are sLPRO corresponding to CLPRO and CLPR2 and SLPR1 corresponding to CLPR1 those CLPRs are arranged as follows CLPRO CLPR2 CLPRI UniversalReplicator Use t
44. can use this subcommand to narrow the export target term for all the monitoring items you can specify by the group subcommand Specify a term within Short Range From XXX To XXX which is output by the show subcommand The long range subcommand is valid for monitoring data in long range You can use this subcommand only when you specify the PhyPG PhyLDEV PhyProc Or Phycsw operand with the Long option in the group subcommand The items that can be saved by these operands are the monitoring data displayed in the Physical tab of the Performance Management window with selecting long range Specify a term within Long Range From XXX To XXX which is output by the show subcommand In Figure 7 1 the script short range 200610010850 200610010910 specifies the term 8 50 9 10 on Oct 1 2006 This script is applied to the group RemoteCopy subcommanad in this example When you run the Export Tool it will export the statistics about remote copy operations by TrueCopy and TrueCopy for IBM z OS in the term specified by the short range subcommand Also in Figure 7 1 the script long range 200609301430 200610011430 specifies the term from Sep 30 2006 14 30 to Oct 1 2006 14 30 This script is applied to the group PhyPG Long subcomman4d in this example When you run the Export Tool it will export the usage statistics about parity groups in the term specified by the long range subcommand Using the Export Tool 7 21 Hitachi Universal Sto
45. character string enclosed by double quotation marks repeat the back slash twice such as If the specified directory does not exist this subcommand creates a directory that has the specified name If this operand is omitted the current directory is assumed Examples The following example saves files in the directory C Project out in a Windows computer outpath C Project out The following example saves files in the out directory in the current directory outpath out 7 62 Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide option Subcommand Syntax optionA compress nocompress A ask clear noclear Description The option subcommand specifies the following e whether to compress monitoring data in ZIP files e whether to overwrite or delete existing files and directories when saving monitoring data in files Operands The two operands below specify whether to compress CSV files into ZIP files If none of these operands is specified compress is assumed compress Compresses data in ZIP files To extract CSV files out of a ZIP file you will need to decompress the ZIP file nocompress Does not compress data in ZIP files and saves data in CSV files The three operands below specify whether to overwrite or delete an existing file or directory when the Export Tool saves files If none of these operands is specified ask is assumed ask Displays a message that asks whether to delete ex
46. connections are established between host bus adapters and ports you use the WWN tab of the Server Priority Manager window This section explains the operation procedures in each tab Note Host bus adapters HBAs are adapters contained in hosts and serve as host ports for connecting the hosts and the storage system 6 2 Server Priority Manager Operation Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide If One to One Connections Link HBAs and Ports Figure 6 1 shows an example of a network in which each host bus adapter is connected to only one port on the storage system Henceforth this network is referred to as network A Host bus adapters and the storage system ports are directly connected and are not connected via hubs and switches Production servers Development servers Host bus adapters HBA Chigh priority Clow priority SPM name wwn01 WN 0000000000000001 Host bus adapters HBA SPM name wwn03 IWWN 0000000000000003 SPM name wwn02 IWWN 0000000000000002 1A 1C and 2A are ports on the storage system Storage system Figure 6 1 Network A One to one Connections between HBAs and Ports If one to one connections are established between HBAs and ports take the following major steps 1 Set priority to ports on the storage system using the Port tab of the Server Priority Manager window In network A the ports 1A and 1C are connecte
47. csv The size of data transferred per second at Initiator External ports KB sec Port_Initiator_Response csv The average response time microseconds at Initiator External ports Note 1 microsecond is one mil lionth of 1 second Table 7 6 Files with Statistics about Host Bus Adapters Connected to Ports PortWWN_dat ZIP PortWWN_xx_IOPS csv Data Saved in the File The I O rate that is the number of read and write operations per second for HBAs that are connected to a port PortWWN_xx_KBPS csv The size of data transferred per second KB sec between a port and the HBAs connected to that port PortWWN_xx_Response csv The average response time microseconds between a port and the HBAs connected to that port Notes 1 microsecond is one millionth The letters xx in CSV filenames indicate a port name For example if the filename is PortWWN_1A_IOPS csv the file contains the I O rate for each host bus adapter connected to the CL1 A port If files are exported to a Windows computer CSV filenames may end with numbers for example PortWWN_1A_IOPS 1 csv and of 1 second PortWWN_1ia_IOPS 2 csv Using the Export Tool 7 7 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Table 7 7 Files with Statistics about Volumes LUs LU_dat ZIP LU_IOPS csv The number of read and write opera
48. example 1 1 E1 5 indicates external volume groups from E1 1 to E1 5 Ensure that the exg id value on the left of the colon is smaller than the exg id value on the right of the colon For example you can specify PhyExLDEV E1 1 E1 5 but you cannot specify PhyExLDEV E1 5 E1 1 Also you can specify PhyExLDEV E1 5 E2 1 but you cannot specify PhyExLDEV E2 1 E1 5 If exg id is not specified the monitoring data of all the external volumes will be exported PhyProcA Short Long Use this operand when you want to export the following statistics which are displayed in the Physical tab of the Performance Management window Usage rates of channel processors Usage rates of disk processors Usage rates of DRRs data recovery and reconstruction processors Using the Export Tool 7 41 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide When statistics are exported to a ZIP file the file name will be PhyProc_dat ZIP For details on the statistics exported by this operand see Table 7 2 You can use the Short or Long option to select the storing period of the monitoring data to be exported If you specify Short the exported file will contain statistics in short range for up to 15 days If you specify Long the exported file will contain statistics in long range for up to three months i e up to 93 days If neither Short nor Long is
49. for the user ID the monitoring data that can be saved and the functions of the Export Tool are limited For details see Using the Export Tool For detailed information about how to create a user ID see the Storage Navigator User s Guide The Export Tool program The Export Tool is contained in CD ROM Disc 2 which is named Host PP For detailed information about how to install the Export Tool on a Windows computer see Installing the Export Tool on a Windows Computer For detailed information about how to install the Export Tool on a UNIX computer see Installing the Export Tool on a UNIX Computer Installing the Export Tool on a Windows Computer To install the Export Tool on a Windows computer 1 Create a directory on your Windows computer In later steps you will install the Export Tool on the new directory 2 Insert the Export Tool installation media into the CD ROM drive 3 Locate the self extracting file export EXE in the directory program monitor win_nt in your CD ROM disc and then copy export EXE to the new directory that you created earlier Double click export EXE on your computer The Export Tool is installed Also a new directory named export is created Notes The export directory contains a couple of files which include runUnix bat It is recommended that you delete runUnix bat because this file is no longer needed The Export Tool program is a Java class file and is located in the export
50. graph illustrating changes in parity group usage within that period To view usage statistics about parity groups 1 Ensure that the Performance Management window is displayed 2 In the tree click the Physical tab 3 In the list above the tree select the storing period of statistics from longrange and shortrange for display For information on storing period of statistics see Understanding Statistical Storage Ranges When you view usage statistics about parity groups the items displayed in the list by selecting longrange and shortrange are the same 4 In the tree select the Parity Group folder The list on the right displays usage statistics about parity groups The displayed statistics are the average and the maximum usage rates for the period specified in the From and To boxes The list displays up to a maximum of 4 096 resources at a time If the number of resources exceeds 4 096 use Previous and Next to display the remaining resources If you change the date and time in the From and To boxes and then click Apply Performance Monitor recalculates usage rates and updates information in the list To change the date and time in From and To boxes use the arrow buttons and the sliders for details see Performance Management Window Physical Tab If an exclamation mark is displayed before a usage rate the reported parity group usage rate is likely to be inaccurate because the configuration has changed e g vol
51. hard disk drives When you use Universal Volume Manager to map the volumes in the external storage system as volumes in the USP V VM storage system the mapped volumes in the external storage system are called external volumes These external volumes are registered in groups by Universal Volume Manager Performance Monitor can monitor the usage conditions for external volume groups An external volume group is just a group for managing external volumes Unlike a parity group it does not contain any parity information However some Performance Monitor windows treat external volume groups as parity groups The information that can be monitored about an external volume group differs from that of a usual parity group For details on how to view usage conditions about external volume groups see Viewing Usage Statistics on External Volume Groups About Performance Manager Options 2 5 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide External Volume Usage Statistics An external volume is a volume existing in an external storage system that is mapped to a volume in the USP V VM storage system using Universal Volume Manager Performance Monitor can monitor and display the usage conditions for external volumes The information that can be monitored for an external volume differs from that of a typical volume For details on how to view usage conditions about external volumes see Viewing Usage Statistics on E
52. illustrating changes in volume usage within that period To view usage statistics about volumes in a parity group 1 Ensure that the Performance Management window is displayed 2 In the tree click the Physical tab 3 In the list above the tree select the storing period of statistics from longrange and shortrange for display For details on the types of storing period of statistics see Understanding Statistical Storage Ranges When you view usage statistics about volumes some items displayed in the list differ depending on the selection of the storing period longrange or shortrange If you want to use Volume Migration to migrate volumes select longrange This enables you to confirm the estimated usage rate of parity groups after migration For information on using Volume Migration contact the Hitachi Data Systems Support Center see Calling the Hitachi Data Systems Support Center If you want to examine the ratio of ShadowImage processing and so on to all the processing in the physical drive select shortrange The usage statistics for a same term might be slightly different between selecting shortrange and longrange because the monitoring precision of these two interval types differs Especially differences in read rates and write rates between the interval types are larger than other usage statistics 4 In the tree double click the Parity Group folder The folder opens and a list of parity groups is displayed below the fold
53. in your batch file Table 7 21 lists the subcommands explained in this section The Java command is explained in Java Command for Exporting Data In Files Table 7 21 Subcommand List ese YO o svpip Specifies the IP address of the SVP to be logged in svpip Subcommand retry Makes settings on retries of export processing retry Subcommand login Logs the specified user into the SVP login Subcommand show Checks the SVP to find the period of monitoring data stored show Subcommand in the SVP and the data collection interval that is called gathering interval and then outputs them to the standard output and the log file group Specifies the type of data that you want to export group Subcommand short range Specifies the term of monitoring data to be exported for short range short range monitoring data Subcommand long range Specifies the term of monitoring data to be exported for long range long range monitoring data Subcommand outpath Specifies the directory in which files should be saved outpath Subcommand option Specifies whether to save files in ZIP format or in CSV option Subcommand format apply Saves monitoring data in files apply Subcommand set Starts or ends monitoring the storage system and also set subcommand specifies the gathering interval in short range monitoring help Displays the online help for subcommands set subcommand Using the Export Tool 7 29 Hitachi Universal
54. information about the show subcommand see show Subcommand e group PhyPG Long and group RemoteCopy Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide The group subcommand specifies the type of data that you want to export Specify a operand following group to define the type of data to be exported Basically monitoring data stored in short range is exported But you can direct to export monitoring data stored in long range when you specify some of the operands The script group PhyPG Long in Figure 7 1 specifies to export usage statistics about parity groups in long range Also the script group RemoteCopy specifies to export statistics about remote copy operations by TrueCopy and TrueCopy for IBM z OS in short range You can describe multiple lines of the group subcommand to export multiple monitoring items at the same time For detailed information about the group subcomman4d see group Subcommand e short range 200610010850 200610010910 and long range 200609301430 200610011430 The short range and long range subcommands specify the term of monitoring data to be exported Use these subcommands when you want to narrow the export target term within the stored data You can specify both the short range and long range subcommands at the same time The difference between these subcommands is as follows The short range subcommand is valid for monitoring data in short range You
55. is 200 IO s The peak I O rate at the paths between port 1C and the non prioritized WWNs is also 200 IO s The peak I O rate at the paths between port 2A and the non prioritized WWYNs is also 200 IO s The peak I O rate at the paths between port 2C and the non prioritized WWNs is also 200 IO s So the recommended upper limit for the non prioritized WWNs is 720 IO s 200 x 4 x 0 90 If your network is configured as in Figure 6 4 you must do the following in this order a In the WWN tab select one of the four ports that the HBAs are connected to i e ports 1A 1C 2A and 2C b Set an upper limit to the non prioritized WWNs wwn02 and wwn03 Figure 6 8 is the result of setting the upper limit of 720 IO s to the paths between 1A and the non prioritized WWNs For details on how to set an upper limit see Setting Priority for Ports on the Storage System Port WAAN jors 4 Subsystem Monitor WAN SPM Name Pe w Attribute EHS Non Monitor BREE Lops mB HHE CL1 C E4 0000000000000001 wwn01 15 20 65 70 Prio oO i CL2 A E2 oooooooo00000002 wwnd2 1e6l21 Non Prio 720 A CL2 C E1 0000000000000003 wwnd3 17 22 Non Prio 720 Figure 6 8 Setting Upper Limits Server Priority Manager Operation 6 9 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 6 Check the result of applying upper limit values After applying upper lim
56. is omitted the maximum number of retries is 3 Example If the following command file is used the interval between retries is five minutes and the maximum number of retries is 10 svpip 158 214 135 57 retry time 5 count 10 login expusr passwd show group Port short range 200604010850 200604010910 outpath out option compress apply Using the Export Tool 7 33 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide login Subcommand Syntax login Auserid Apassword Description The login subcommand uses a user ID and a password to log the specified user in the SVP The svpip subcommand must execute before the login subcommand executes The login subcommand fails if monitoring data does not exist in the SVP Operands userid Specifies the user ID for the SVP If the user ID includes any non alphanumeric character the user ID must be enclosed by double quotation marks Be sure to specify a user ID that should be used exclusively with the Export Tool For detailed information see Requirements for Using the Export Tool password Specifies the password of the user If the password includes any non alphanumeric character the password ID must be enclosed by double quotation marks Example This example logs the user expusr into the SVP whose IP address is 158 214 127 170 The password is pswd svpip 158 214 127 170 login expuser pswd 7 34 Using the Export Tool Hitachi Un
57. memory in sequential access mode Drive to Cache Sequential the number of data transfers from hard disk drives to the cache memory in random access mode Drive to Cache Random Trans The graph does not display detailed information 4 14 Using the Performance Manager GUI Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Port LUN Tab of the Performance Monitor Window When you click Go Performance Manager and then Performance Management on the menu bar of the Storage Navigator main window Performance Monitor starts and the Performance Management window is active The Performance Management window includes the Port LUN tab which lets you view statistics about I O rates transfer rates and average response time at storage system ports host groups LU paths etc Performance Monitor can obtain statistics about traffics of ports connected to open system host groups only The statistics about traffics of ports connected to mainframe host groups cannot be obtained For details on how to use this window see Monitoring Ports and Monitoring LU Paths Performance Management TC Monitor TCz Monitor UR Monitor URz Monitor Monitoring Options F os St F Performance Monitor WOE From 2006 705 02 19 39 2008 04 28 p 2006 05 03 Term T fj To 2006 705703 03 09 A 7 m Gathering Interval 5 min Realtime 2 ach a Monitoring Data IOPS WWN_ Port LUN LDEV Physical KA LUN
58. name value is CL4 r The following formula illustrates which port name value is smaller than which port name value CL1 A lt CL1 B lt lt CL2 A lt CL2 B lt lt CL3 a lt CL3 b lt lt CL4 a lt lt CL4 r For example you can specify URLU CL1 C 01 CL2 A 01 but you cannot specify URLU CL2 A 01 CL1 c 01 Also you can specify URLU CL1 C 01 CL1 c 03 but you cannot specify URLU CL1 C 03 CL1 C 01 If port name host group id is not specified the monitoring data of all the volumes LUs will be exported URLDEVA LDKC CU id LDKC CU id A Use this operand when you want to export statistics about remote copy operations which are displayed in the UR Monitor window and the URz Monitor window By using this operand you can export monitoring data about remote copy operations performed by Universal Replicator and Universal Replicator for IBM z OS at volumes controlled by each CU When statistics are exported to a ZIP file multiple ZIP files whose names are beginning with uRLDEV_ will be output For details on the statistics exported by this operand see Table 7 17 When you specify variables LDKC CU id you can narrow the range of LDKC CUs that control the volumes whose monitoring data are to be exported LDKC CU id is an ID of a LDKC CU The colon indicates a range For example 000 105 indicates LDKC CUs from 00 00 to 01 05 Ensure that the LDKC CU id value on the left of the colon is smaller than the
59. number of data transfers from hard disk drives to the cache memory in random access mode Drive to Cache Rnd You can select this item only when I O rates are displayed Using the Performance Manager GUI Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide WWN Tab of the Perfo rmance Monitor Window When you click Go Performance Manager and then Performance Management on the menu bar of the Storage Navigator main window Performance Monitor starts and the Performance Management window is active The Performance Management window includes the WWN tab where you view statistics I O rates transfer rates and average response time about traffic between host bus adapters in the hosts and ports on the storage system A enabled Caution The WWN tab is unavailable if Server Priority Manager is not A WWN Worldwide Name is a 16 digit hexadecimal number used as the unique identifier for a host bus adapter Host bus adapters are contained in hosts and serve as ports for connecting the hosts and the storage system One WWN represents one host bus adapter For details on how to use this window see Monitoring Paths between Host Bus Adapters and Ports Performance Management TC Monitor TCz Monitor UR Monitor URz Monitor Monitoring Options Performance Monitor Monitoring eS z 5 From i From 2006 105 02 19 39 oo oe l ESo
60. on Performance Monitor Server Priority Manager and Export Tool For troubleshooting information on Storage Navigator see the Storage Navigator User s Guide and Storage Navigator Messages O Troubleshooting Performance Monitor O Troubleshooting Server Priority Manager O Troubleshooting the Export Tool O Calling the Hitachi Data Systems Support Center Troubleshooting 8 1 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Troubleshooting Performance Monitor When the WWN of a host bus adapter is displayed in red in the tree of the WWN tab The host bus adapter HBA whose WWN is displayed in red is connected to two or more ports but the traffic between the HBA and some of the ports are not monitored by Performance Monitor When many to many connections are established between HBAs and ports you should make sure that all the traffic between HBAs and ports is monitored For details on the measures see Monitoring All Traffic between HBAs and Ports When a part of monitoring data is missing While displaying Performance Monitor in short range if I O workloads between hosts and the storage system become heavy the storage system gives higher priority to I O processing than monitoring processing If you notice that frequently monitoring data is missing use the Gathering Interval option located in the Monitoring Options window to change to a longer collection interval For details see Start Monitorin
61. on the left of a disk processor the graph illustrates changes in usage rate for the disk processor e ID This column displays ID numbers for disk processors e Usage The Ave Total column displays the average usage rate in the specified period The Max column displays the maximum usage rate in the specified period 5 20 Performance Monitor Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Viewing Usage Statistics on Data Recovery and Reconstruction Processors Performance Monitor tracks data recovery and reconstruction processors DRRs and lets you view the average and the maximum usage rate ina specified period Performance Manager also displays a graph illustrating changes in DRR usage within that period To view usage statistics about DRRs 1 Ensure that the Performance Management window is displayed 2 In the tree click the Physical tab 3 In the list above the tree select the storing period of statistics from longrange and shortrange for display For details on the types of storing period of statistics see Understanding Statistical Storage Ranges When you view usage statistics about DRRs the items displayed in the list by selecting longrange and shortrange are the same 4 In the tree double click the ACP folder 5 Click DRR from below the ACP folder The list on the right displays usage statistics about DRRs The displayed statistics are the average
62. on the right is 2007 03 28 16 00 you can view usage statistics for the period of 2007 03 27 16 00 tO 2007 03 28 16 00 If you change the dates and times in From and To you can specify the range of statistics that should be displayed in the window For example if the window displays statistics for the last one month you can change the values in From and To to display the statistics for the last week only or to display the statistics for the last three days only When monitoring ports LU paths or host bus adapters in the Port LUN tab or the WWN tab you can view the monitoring results in near real time To view the monitoring results in real time select the Real Time option which is included in the Monitoring Term area of the Performance Management window The information in the window will be updated at the specified gathering interval every 1 to 15 minutes You cannot view the monitoring results displayed in the Physical tab and the LDEV tab in real time Performance Monitor Operations 5 5 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Starting and Stopping Storage System Monitoring To monitor the storage system start Performance Monitor at first and then start obtaining statistics You can also stop the monitoring from Performance Monitor Each procedure is explained below To start Performance Monitor 1 Log onto Storage Navigator The Storage Navigator main window is displayed 2 Cl
63. periods because such statistics are erased from the storage system In short range if I O workloads between hosts and the storage system become heavy the storage system gives higher priority to I O processing than monitoring processing therefore a part of monitoring data might be missing In case that monitoring data are missing frequently use the Gathering Interval option in the Monitoring Options window to change the collection interval longer For details see Start Monitoring and Monitoring Options Window Short range monitoring data and long range monitoring data may have some margin of error Viewing the LDEV Port LUN and WWN tab Monitoring results are stored for the last 8 hours to 15 days depending on the specified gathering interval If the storing period has passed since a monitoring result was obtained the result is erased from the storage system and you will not be able to view that monitoring result About Performance Manager Options 2 17 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide If I O workloads between hosts and the storage system become heavy the storage system gives higher priority to I O processing than monitoring processing therefore a part of monitoring data might be missing In case that monitoring data are missing frequently use the Gathering Interval option in the Monitoring Options window to change the collection interval longer For details see Start M
64. ports you use the WWN tab in the Server Priority Manager window to do the following e Make all the traffics between host bus adapters and ports monitored e Analyze traffic statistics e Measure traffic between host bus adapters and storage system ports Server Priority Manager Operation 6 17 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide e Set priority to host bus adapters e Set an upper limit on traffic at non prioritized WWNs e Seta threshold if necessary If many to many connections are established between host bus adapters and ports you should specify the priority of I O operations on each host bus adapter You can specify the upper limit values on the non prioritized WWNs If necessary you can set one threshold value applied for the entire storage system When many to many connections are established between host bus adapters and ports you cannot set individual thresholds for prioritized WWNs For the system configuration of many to many connections between host bus adapters and ports see If Many to Many Connections Link HBAs and Ports For details on the system configuration of many to many connections between host bus adapters and ports see If Many to Many Connections Link HBAs and Ports This section explains operation procedures you can perform for host bus adapters and the entire storage system Monitoring All Traffic between HBAs and Ports When many to many connections are establ
65. run multiple instances of the Export Tool simultaneously If you run multiple instances the SVP may be overloaded and a timeout error may occur 2 16 About Performance Manager Options Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Interoperability with Other Products Performance Monitor Keep the following in mind while viewing Performance Management windows User types If the user type of your user ID is storage partition administrator the functions you can use are limited For details see Storage Partition Administrators Limitations Maintenance If the storage system is undergoing maintenance during monitoring the monitoring data might contain extremely large values Powering off the storage system If the storage system is powered off during monitoring monitoring stops while the storage system is powered off When the storage system is powered up again monitoring continues However Performance Monitor cannot display information about the period while the storage system is powered off Therefore the monitoring data immediately after powering on again might contain extremely large values Viewing the Physical tab You will be able to view usage statistics that have been obtained for the last three months i e 93 days in long range monitoring and for the last 15 days in short range monitoring You will not be able to view usage statistics that expired after these storing
66. settings by the user are registered 0002 5510 The storage system is in internal process or some other user is changing configuration Using the Export Tool 7 25 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 7 26 0002 6502 Now processing 0002 9000 Another user has lock 0003 2016 A service engineer is accessing the storage system in Modify mode 0003 2033 The SVP is not ready yet or an internal processing is being executed 0003 3006 An error occurred during SVP processing 0405 8003 The storage system status is invalid 5205 2003 An internal process is being executed or maintenance is in progress 5205 2033 The SVP is now updating the statistics data 5305 2033 The SVP is now updating the statistics data 5305 8002 The storage system status is invalid If you specify the nocompress operand for the option subcommand the Export Tool saves files in CSV format instead of ZIP format For detailed information see option Subcommand When files are saved in CSV format instead of ZIP format the file saving process could take longer and the resulting files could be larger Files saved by the Export Tool are often very large The total file size for all the files can be as large as approximately 2 GB For this reason the exporting process might take a lot of time If you want to export statistics spanning a long period of time it is recommended that you run
67. short range or long range subcommand additionally you can narrow the term of data to be exported see short range Subcommand or long range Subcommand From indicates the starting time for collecting monitoring data To indicates the ending time for collecting monitoring data Interval indicates the interval at which the monitoring data was collected gathering interval For example Interval 15min indicates that monitoring data was collected at 15 minute intervals Storing periods output by the show subcommand is the same as the information displayed in the Monitoring Term area of the Performance Management window Using the Export Tool 7 35 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide The show subcommand outputs the period from May 2 2006 03 12 to May 3 2006 03 12 ae 2006 05 03 01 42 Term 2006 05 03 03 12 Figure 7 9 Information output by the show subcommand The login command must execute before the show subcommand executes 7 36 Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide group Subcommand Syntax groupA PhyPGA Short Long A parity group id parity group id A PhyLDEVA Short Long A parity group id parity group id A PhyExGA exg id exg id A PhyExLDEVA exg id exg id A PhyProcA Short Long PhyCSW A Short Long PGA parity group id V VOL group id ex
68. specified statistics in both the short and long range are exported PhyCSWA Short Long Use this operand when you want to export the following statistics which are displayed in the Physical tab of the Performance Management window Usage rates of access paths between channel adapters and cache memories Usage rates of access paths between disk adapters and cache memories Usage rates of access paths between channel adapters and the shared memory Usage rates of access paths between disk adapters and the shared memory Usage rates of access paths between cache switches and cache memories Write pending rates When statistics are exported to a ZIP file the file name will be PhyCSW_dat ZIP For details on the statistics exported by this operand see Table 7 2 You can use the Short or Long option to select the storing period of the monitoring data to be exported If you specify Short the exported file will contain statistics in short range for up to 15 days If you specify Long the exported file will contain statistics in long range for up to three months i e up to 93 days If neither Short nor Long is specified statistics in both the short and long range are exported Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide PGA parity group id V VOL group id exg id parity group id V VOL group id exg id A Use this operand when you want to export s
69. supersedes and replaces MK 96RD617 00 MK 96RD617 02 July 2007 Revision 2 supersedes and replaces MK 96RD617 01 MK 96RD617 03 September 2007 Revision 3 supersedes and replaces MK 96RD617 02 MK 96RD617 04 November 2007 Revision 4 supersedes and replaces MK 96RD617 03 MK 96RD617 05 January 2008 Revision 5 supersedes and replaces MK 96RD617 04 MK 96RD617 06 March 2008 Revision 6 supersedes and replaces MK 96RD617 05 viii Preface Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide a a e a S MK 96RD617 07 March 26 2008 Revision 7 supersedes and replaces MK 96RD617 06 MK 96RD617 08 May 2008 Revision 8 supersedes and replaces MK 96RD617 07 Source Documents for this Revision e MK 96RD617 08d RSD V03 Changes in This Revision e Added notes throughout this document to contact Hitachi Data Systems Support Center for Volume Migration support e Added notes throughout this document concerning the CU as the monitoring target e Added new section Causes of Invalid Monitoring Data Document Organization The following table provides an overview of the contents and organization of this document Click the chapter title in the left column to go to that chapter The first page of each chapter provides links to the sections in that chapter Chapter 1 Overview of Describes the performance management software products that allow Performance Manager you to monitor and tune st
70. the J NL group id value on the right of the colon For example you can specify URJNL 00 05 but you cannot specify URJNL 05 00 If J NL group id is not specified the monitoring data of all the journal volumes will be exported URLU A port name host group id port name host group id A Use this operand when you want to export statistics about remote copy operations which are displayed in the UR Monitor window and the URz Monitor window By using this operand you can export monitoring data about remote copy operations performed by Universal Replicator and Universal Replicator for IBM z OS at each volume LU When statistics are exported to a ZIP file the file name will be URLU_dat ZIP For details on the statistics exported by this operand see Using the Export Tool 7 51 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Table 7 16 When you specify variables port name host group id you can narrow the range of LU paths whose monitoring data are to be exported port name is a port name host group id is the ID of a host group The host group ID must be a hexadecimal numeral The colon indicates a range For example CL1 C 01 CcL1 c 03 indicates the range from the host group 01 of the CL1 C port to the host group 03 of the CL1 C port Ensure that the value on the left of the colon is smaller than the value on the right of the colon The smallest port name value is CL1 A and the largest port
71. the SVP If an error occurs do the following e Ensure that all the users who are logged onto the SVP are not in Modify mode If any user is logged on in Modify mode ask the user to switch to View mode e Wait until maintenance operations finish at the SVP so that the set subcommand can execute 7 64 Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide A Notes e Your batch files can include script that should execute when an error occurs For information about writing such a script in your batch file refer to Notes in Running the Export Tool e When the set subcommand starts or ends the monitoring or changes the gathering interval after the Performance Management window is started the contents displayed in the Performance Management window does not change automatically in conjunction with the set subcommand operation To display the current monitoring status in the Performance Management window click File and then Refresh on the menu bar of the Storage Navigator main window e If you change the specified gathering interval during a monitoring the previously gathered monitoring data will be deleted Operands Examples switch m off To start monitoring specify the gathering interval interval of collecting statistics of monitoring data at m Specify a value between 1 and 15 in minutes m is the gathering interval in short range monitoring by Performance Monitor
72. the list on the right side of the window 4 In the tree do one of the following If you want to view the I O rate for each parity group and external volume group select the Subsystem folder or a Box folder The list on the right displays the I O rate for each group A Note If you select the Subsystem folder the list displays all parity groups and external volume groups To narrow the number of groups to be displayed in the list select a Box folder For example if you select the Box 1 folder the list displays only the parity groups whose IDs start with 1 If you want to view the I O rate for each volume select the parity group or external volume group that contains the volumes The list on the right displays the I O rate for each volume in the selected group The displayed statistics are the average and the maximum I O rates for the period specified in the From and To boxes Performance Monitor Operations 5 27 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Notes A The list displays up to a maximum of 4 096 resources at a time If the number of resources exceeds 4 096 use Previous and Next to display the remaining resources If you change the date and time in the From and To boxes and then click Apply Performance Monitor recalculates usage rates and updates information in the list To change the date and time in From and To boxes use the arrow buttons and the sliders for d
73. these I O rates and transfer rates you can detect LU paths though which a lot of I O requests are made to the disk You can also determine the LU paths through which a lot of data are transferred to the disk For details on how to view workload statistics about LU paths see Monitoring LU Paths You will be unable to view workload statistics that expired a specific storing period because such statistics are erased from the storage system The storing period of statistics is only short range between 8 hours to 15 days and that changes depending on the collecting interval specified by the user For details on the storing period of statistics see Understanding Statistical Storage Ranges The traffic statistics reported for an LU is aggregated across all LU paths defined for an LU e I O rate is the sum of I Os across all LU paths defined for an LU e Transfer rate is the total transfer rate across all LU paths defined for an LU e Response Time is the average response time across all LU paths defined for an LU 2 12 About Performance Manager Options Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Traffic between HBAs and Storage System Ports Host bus adapters HBAs are adapters contained in hosts HBAs which serve as ports on hosts are connected to ports on the storage system If Server Priority Manager is enabled Performance Monitor lets you view statistics about traffic between HBAs and storag
74. to storage partition administrators This section explains the permission driven limitations of Performance Monitor and the Export Tool Performance Monitor Limitations The Performance Monitor functions which are limited when you logged in as a storage partition administrator are shown in Table 3 1 For the window of Performance Monitor displayed when you logged in as a storage partition administrator see Figure 3 1 Table 3 1 Limitations for Storage Partition Administrators Performance Monitor Physical tab in the Performance Management window The tree and list display only the information in the SLPR storage management logical partition allocated to the user ID The Volume Migration button is not displayed Therefore the user cannot start Volume Migration For information on using Volume Migration contact the Hitachi Data Systems Support Center see Calling the Hitachi Data Systems Support Center LDEV tab in the Performance Management window The tree and list display only the information in the SLPR allocated to the user ID Port LUN tab in the Performance Management window The tree and list display only the information in the SLPR allocated to the user ID The SPM button is not displayed Therefore the user cannot start Server Priority Manager WWN tab in the Performance Management window The WWN tab is not displayed The user cannot view the traffics between host bus adapters and ports
75. traffic statistics about prioritized WWNs and non prioritized WWNs you must set upper limit values to I O rates or transfer rates for non prioritized WWNs Upper limit values for I O rates are used to suppress the number of I Os from the low priority host servers and thus provide better performance for high priority host servers Upper limit values for transfer rates are used to suppress the amount of data that should be transferred between the storage system and the low priority ports thus providing better performance for high priority host servers Tip To set the same upper limit value to more than one non prioritized WWN use an SPM group For details on SPM groups see Grouping Host Bus Adapters To limit the I O rate or transfer rate of a non prioritized WWN 1 Start Server Priority Manager The Server Priority Manager window is displayed 2 Ensure that the WWN tab is displayed 3 Do one of the following To limit the I O rate of the non prioritized WWN select I OPS from the list at the upper left corner To limit the transfer rate of the non prioritized WWN select MB s from the list at the upper left corner 4 In the upper left tree click the icon of the port whose traffic you want to limit below the Subsystem folder The information about the host bus adapters which connect to the selected port is displayed in the list 5 Locate the non prioritized WWN in the list Notes A The Attribute column of the list i
76. types of storing period of statistics see Understanding Statistical Storage Ranges When you view usage statistics about channel processors the items displayed in the list by selecting longrange and shortrange are the same 4 In the tree do one of the following If you want to view usage statistics about all the channel processors in your storage system select the Client Host I nterface Processor CHIP folder If you want to view usage statistics about channel processors in a channel adapter double click the Client Host I nterface Processor CHIP folder and then select the desired channel adapter The list on the right displays usage statistics about the channel processors The displayed statistics are the average and the maximum usage rates for the period specified in the From and To boxes A Note If you change the date and time in the From and To boxes and then click Apply Performance Monitor recalculates usage rates and updates information in the list To change the date and time in From and To boxes use the arrow buttons and the sliders for details see Performance Management Window Physical Tab 5 To display a graph illustrating changes in usage rate for channel processors select the desired channel processors in the list and then click Draw A Note The range of monitoring and the gathering interval affects the time period represented by a graduation on the horizontal axis 5 18 Performance Monit
77. u lt ZzZ lt A lt B lt lt Z cygnus lt raid lt Cancer lt Pisces lt RAID lt RAID5 If SPM group name is not specified the monitoring data of all the host bus adapters will be exported RemoteCopy Use this operand when you want to export statistics about remote copy operations which are displayed in the TC Monitor window and the TCz Monitor window By using this operand you can export monitoring data about remote copy operations performed by TrueCopy and TrueCopy for IBM z OS in the whole volumes When statistics are exported to a ZIP file the file name will be RemoteCopy_dat ZIP For details on the statistics exported by this operand see Table 7 10 RCLUA port name host group id port name host group id A Use this operand when you want to export statistics about remote copy operations which are displayed in the TC Monitor window and the TCz Monitor window By using this operand you can export monitoring data about remote copy operations performed by TrueCopy and TrueCopy for IBM z OS at each volume LU When statistics are exported to a ZIP file the file name will be RCLU_dat ZIP For details on the statistics exported by this operand see Table 7 11 When you specify variables port name host group id you can narrow the range of LU paths whose monitoring data are to be exported port name is a port name host group id is the ID of a host group The host group ID must be a hexadecimal numeral The colon indic
78. upper left corner of the list The list displays traffic statistics i e the average and peak I O rates or transfer rates of the ports Analyze the information in the list and then determine upper limit values that should be applied to non prioritized ports If necessary determine threshold values that should be applied to prioritized ports For details on the upper limit values and threshold values see If One to One Connections Link HBAs and Ports Setting Priority for Ports on the Storage System If one to one connection is established between HBAs and ports you need to measure traffic between high priority HBAs and prioritized ports You also need to measure traffic between low priority HBAs and non prioritized ports Prioritized ports are ports on which the processing has high priority and non prioritized ports are ports on which the processing has low priority Specify a port that connects to a high priority host bus adapter as a prioritized port Specify a port that connects to a low priority host bus adapter as a non prioritized port To set priority to ports on the storage system i Start Server Priority Manager The Server Priority Manager window is displayed 2 Ensure that the Port tab is displayed 6 14 Select All from the list at the top right corner of the window Right click a high priority port and then select Non Prio gt gt Prio from the pop up menu If there is more than one high priority port
79. with the SVP via a proxy host Xmxmemory size bytes Specifies the size of memory to be used by JRE when the Export Tool is being executed You must specify this parameter The memory size must be 536870912 as shown in the Example later in this section If an installed memory size is smaller than the recommended memory size of Storage Navigator PC you must install more memory before executing the Export Tool If an installed memory size is larger than the recommended memory size of Storage Navigator PC you can specify a memory size larger than as shown in the Example However to prevent lowering of execution speed you do not set oversized memory size Dmd command path to command file Specifies the path to the command file Dmd logpath path to log file Specifies the path to log files A log file will be created whenever the Export Tool executes If this parameter is omitted log files will be saved in the current directory Dmd logfile name of log file Specifies the name of the log file If this parameter is omitted log files are named exportMMddHHmmss log MMddHHmmss indicates when the Export Tool executed For example the log file export0101091010 log contains log information about Export Tool execution at Jan 1 09 10 10 Using the Export Tool 7 67 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Examples The following example assumes that the computer running the Export To
80. 0 CLPRO 30 20 f 5 3 40 00 10 20 10 40 41 00 09 40 Ave Amin Figure 5 10 Selecting an Item to be Displayed in the Graph Short range Examples of write pending rate displayed in the lists are shown below When selecting longrange for storing period of statistics Write Pending Ave Total Moment Max 00 CLPRO 1 2 O1 cLPR1 4 5 02 CLPR2 7 8 O3 CLPR3 10 11 When selecting shortrange for storing period of statistics Performance Monitor Operations 5 23 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide KA HIRE Usage Write Pending Ave Total Max Ave Total Moment Max 4 00 CLPRO _01 CLPR1 O2 CLPR2 03 CLPR3 1 10 1 1 13 oo jon ho eo om oo O S Figure 5 11 Example of Write Pending Rate and Cache Usage Rate Displayed The list displays the following items e KA When the green checkmark icon M is displayed on the left of the write pending rate the graph illustrates changes in the write pending rate and usage statistics about the cache memory e CLPR This column indicates numbers and names of cache logical partitions CLPRs in the format CLPR number CLPR name For details on CLPRs see the Virtual Partition Manager User s Guide e Usage This item is displayed only when you select shortrange for the storing period of statistics The Ave Total column displays the average usage rate of the
81. 0 Transfer Rates for Host Bus Adapters WWN Tab The list displays the following e KA When the green checkmark icon Ml is displayed on the left of an item the graph displays changes in workload statistics about the item e Group Indicates SPM groups Performance Monitor Operations 5 49 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 5 50 WWN Indicates WWNs of host bus adapters SPM Name Indicates SPM names of host bus adapters Server Priority Manager allows you assign an SPM name to each host bus adapter so that you can easily identify each host bus adapters in the Server Priority Manager windows Port Indicates ports on the storage system Current Indicates the current transfer rate Ave Indicates the average transfer rate for the specified period Max Indicates the maximum transfer rate for the specified period Response Time This column indicates the time for replying from the host bus adapter SPM group or port when I O accesses are made from the host to them The unit is milliseconds The average response time in the period specified at Monitoring Term is displayed This column displays a hyphen if the I O rate is O zero Attribute Indicates the priority of each host bus adapter HBA Prio indicates a high priority HBA a prioritized WWN Non Prio indicates a low priority HBA a non prioritized WWN Performance Monitor Operations Hitachi Universal Storage
82. 200608103 01 15 To 02 15 To 2006 05 03 02 15 Monitoring Switch Enable fi Gathering Interval 5min r 1Day s Apply Monitoring Data Usage Zj WWN Por LUN LDEV Physical re een pears Usage Read Rate Volume Migration BSF Subsystem Ave Total Max Rnd Seq R amp Y Parity Group 00 14 00 OPEN V 0 1 1 1 5 5 00 14 01 OPEN n 12 1 2 5 1 5 2 00 14 02 OPEN V 2 3 Si 1 3 5 3 5 4 00 14 03 OPEN V 3 14 E 1 4 O21 2 E B22 hal O ow B 3 2 Chart Y Axis Rate ZI eet E s 2 3 1 100 30 E 104 10 2 80 11 1 70 11 2 604 1 Q External Group 504 H Q Client Host Interface Processor 404 00 14 03 Cf Array Control Processor ACP 304 Q cache A Access Path Usage 5 0 om ele 5 2 09 00 13 00 17 00 21200 5 3 05 00 01 00 gt Ave 15min Figure 4 1 Physical Tab of the Performance Management Window When the Physical tab is active the Performance Management window contains the following items e When Monitoring Switch is Enable Performance Monitor is monitoring the storage system Disable indicates that the storage system is not being monitored Using the Performance Manager GUI 4 3 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 4 4 Gathering Interval indicates the interval of collecting statistics in short range monitoring F
83. 2ML Migrate volumes from parity groups with the following DKPC5 2ML IDs to another parity group 5 X DKPC6 2ML 13 X DKPC7 2ML DKA 2NL DKPD4 2NL Migrate volumes from parity groups with the following DKPD5 2NL IDs to another parity group ss 6 X DKPD6 2NL 14 X DKPD7 2NL DKA 2XU DKPEO 2XU Migrate volumes from parity groups with the following DKPE1 2XU IDs to another parity group 7 X DKPE2 2XU 15 X DKPE3 2XU DKA 2WU DKPFO 2WU Migrate volumes from parity groups with the following DKPF1 2WU IDs to another parity group 8 X DKPF2 2WU 16 X DKPF3 2WU DKA 2XL DKPE4 2XL Migrate volumes from parity groups with the following DKPES 2XL IDs to another parity group 9 X DKPE6 2XL 17 X DKPE7 2XL DKA 2WL DKPF4 2WL Migrate volumes from parity groups with the following DKPF5 2WL IDs to another parity group E 10 X DKPF6 2WL 18 X DKPF7 2WL Note The letter X is a placeholder for numerical values For example indicates parity groups such as 1 1 and 1 2 parity group 1 X About Performance Manager Options Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Volume Migration cannot estimate DKP usage and may not provide any performance improvement for cases in which DKP usage values vary only slightly or for cases in which overall DRR usage values are relatively high Volume Migration is designed for use with obvious cases of high or unbalanced DKP usage For information on using Volume Migration cont
84. 6 If the Export Tool runs on Windows XP the interface identifier for example 5 must be added to the end of the specified IP address host name Specifies the host name of the SVP If the host name includes any character that is neither an alphanumeric nor a period the host name must be enclosed by double quotation marks Example The following example specifies the IP address of the SVP as 158 214 127 170 svpip 158 214 127 170 7 32 Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide retry Subcommand Syntax retry A time m A count n Description The retry subcommand makes settings on retries of export processing When an internal error occurs during export processing the Export Tool stops processing and then retries export processing By default the Export Tool can retry processing up to three times but you can change the maximum number of retries by using the retry subcommand By default the interval between one retry and the next retry is two minutes You can change the interval by using the retry subcommand The retry subcommand must execute before the login subcommand executes Operands time m Specifies the interval between retries in minutes m is a value within the range of 1 to 59 If this operand is omitted the interval between retries is two minutes count n Specifies the maximum number of retries If n is 0 the number of retries is unlimited If this operand
85. 6 digit hexadecimal numbers used to uniquely identify host bus adapters SPM names are nicknames assigned by the system administrator so that they can easily identify each host bus adapter Only the WWN is displayed on the right of the host bus adapter icon B below Non Monitor When many to many connections are established between host bus adapters HBAs and ports make sure that all the traffics between HBAs and ports monitored Therefore make sure that all the connected HBAs are displayed below Monitor For details on how to move an HBA displayed below Non Monitor to below Monitor see Monitoring All Traffic between HBAs and Ports The list on the right of the tree changes depending on the item you selected in the tree as follows When you selected a port or Monitor icon the list displays the information of host bus adapters that are connected to the ports s and monitored by Performance Monitor When you selected the Monitor icon or the Subsystem folder the list becomes blank e The lower left tree lists SPM groups The tree also lists host bus adapters WWNs in each SPM group SPM groups P which contain on or more WWNs are displayed below the Subsystem folder For details on the SPM groups see Grouping Host Bus Adapters Using the Performance Manager GUI 4 35 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide If you double click an SPM group host bus adapters in that group are
86. 730 The Export Tool saves monitoring data within the 17 30 short range 200601010930 The Export Tool saves monitoring data within the Jan 2 00 00 shortrange 200601011730 The Export Tool saves monitoring data within the 17 30 short range 0001 The Export Tool saves monitoring data within the Jan 2 00 00 short range 0001 The Export Tool saves monitoring data within the Jan 2 00 00 shortrange 0001 The Export Tool saves monitoring data within the 00 01 shortrange 0001 The Export Tool saves monitoring data within the 23 59 short range 0101 0101 The Export Tool saves monitoring data within the 22 59 short range 200601010900 0130 200601011700 0130 The Export Tool saves monitoring data within the 15 30 Using the Export Tool range of Jan range of Jan range of Jan range of Jan range of Jan range of Jan range of Jan range of Jan range of Jan 1 9 30 1 9 30 to 1 0 00 1 0 01 to 1 23 59 to 1 0 00 1 0 00 1 1 01 1 10 30 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide short range 200601010900 0130 200601011700 0130 The Export Tool saves monitoring data within the range of Jan 1 7 30 18 30 short range 200601010900 0130 The Export Tool saves monitoring data within the range of Jan 1 7 30 to Jan 2 00 00 Using the Export Tool 7 57 Hitachi Universal Storage Pla
87. CU is to be released from monitoring Hyphen in black bold CU will not be monitored when it exist Hyphen in black e Monitoring Target CUs Indicates the number of existing and newly added CUs to be monitored e The Select button adds the CU selected in the CU table to the CUs to be monitored Table 4 5 Characters I ndicated in a Cell When the Select Button is Clicked Hyphen in black N in black italics R in blue italics S in black e The Release button removes the CU from monitoring targets Table 4 6 Characters I ndicated in a Cell When Release Button is Clicked N in black Hyphen in black bold S in black R slanted in blue italics e The Apply button applies settings in the Monitoring Options window to the storage system e The Reset button resets the settings in the Monitoring Options window Performance Monitor has two kinds of periods ranges for collecting and storing statistics short range and long range The storing period of statistics in short range is determined by the settings of Gathering Interval option Performance Monitor saves the statistics obtained up to 1440 times in SVP Therefore you can estimate the storing period of statistics with gathering interval multiplied by 1440 For example if you specify one minute for the gathering interval the statistics for one day can be stored at the maximum from the following formula 1 minute x 1440 1440 minutes 24 ho
88. CUs are monitored the statistics are displayed every 5 10 or 15 minutes e The list on the right of Monitoring Data indicates storing period of statistics monitoring data The statistics displayed in the Port LUN tab are stored only in short range The range of monitoring data that can be displayed in the window is between 8 hours and 15 days depending on the gathering interval For details on the types of storing period of statistics see Understanding Statistical Storage Ranges For details on the relationship between collection interval and the storing period of the statistics see Monitoring Options Window e Monitoring Term let you narrow the range of statistics that should be displayed in the window The starting and ending time for collecting statistics is displayed on both sides of the slide bar Performance Monitor stores the monitoring data between these times and you can specify desired term within this range as the target to display in lists and graphs For example if you want to view statistics within the range of 10 30 July 1 2007 to 10 30 July 2 2007 you set 2007 07 01 10 30 to the From box set 2007 07 02 10 30 to the To box and then click Apply To set a date and time in From and To do either of the following Move the slider to the left or to the right Inthe text box select the number that you want to change Next click the upward or downward arrow button When you specify dates and time in From and T
89. Export Tool is used the tool obtains statistics within a 3 hour period Whenever the Export Tool runs the Export Tool creates a new log file on your computer Therefore if you run the Export Tool repeatedly the size of free space on your computer will be reduced To secure free space on your computer you are strongly recommended to delete log files regularly For information about the directory containing log files see Java Command for Exporting Data In Files For information about how to solve errors with the Export Tool see Overview of Export Tool The Export Tool returns a termination code when the Export Tool finishes Using the Export Tool 7 27 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Table 7 20 Termination Codes Returned by the Export Tool Termination Meaning Code o The Export Tool finished successfully 1 An error occurred when the set subcommand see set subcommand executed because an attempt to switch to Modify mode failed Some other user might have been logged on in Modify mode 2 An error occurred due to some reason unrelated to system option modes i e View mode and Modify mode 3 An error occurred due to more than one reason One of the reasons is that an attempt to switch to Modify mode failed when the set subcommand see set subcommand executed Some other user might have been logged on in Modify mode 4 The user ID has none of permiss
90. Figure 4 4 shows how to select an item displayed in the graph and how to select the highest value of the Y axis Chart Y Axis Rate 2 v Response Time v Response Time Trans SSC9COFHHF7N 3 SHEMDONEMDO D 53 10 00 10 20 10 40 41 00 Response Time 1min Figure 4 4 Selecting an I tem Displayed in the Graph and the Highest Value of the Y Axis Physical Tab Using the Performance Manager GUI 4 7 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide If you select an item to be displayed from the list before clicking Draw the graph shows the selected item After drawing if you select another item from the list the graph will be updated without re clicking Draw Depending upon the values of the selected item arrange the graph by changing the highest value of the Y axis Long Range Storage When longrange is selected the Performance Management window displays the statistics collected and stored in long range The usage statistics about resources for 3 months i e 93 days collected every 15 minutes can be displayed in the window When longrange is selected the Volume Migration button is activated The system administrator can start Volume Migration to migrate volumes for balancing workloads based on the monitoring results displayed in the Performance Management window For information on using Volume Migration contact the Hitachi Data Systems Support Center see Calling the Hitachi Data
91. ID needs to have at least one of permissions for Performance Monitor TrueCopy TrueCopy for IBM z OS Universal Replicator and Universal Replicator for IBM z OS RMI server error part code error number An error occurs at the RMI server For detailed information see the Storage Navigator Messages Unable to display help message The Export Tool cannot display the online help due to a system error Unable to get serial number The Export Tool cannot obtain the serial number due to a system error Unable to get time range for monitoring The SVP does not contain monitoring data Unable to read command file file The Export Tool cannot read the command file Specify the name of the command file correctly Unable to use the command command The specified subcommand is unavailable because you logged in as a storage partition administrator Unable to use the group name operand The specified operand of the group subcommand is unavailable because you logged in as a storage partition administrator Unknown host host The Export Tool cannot resolve the host name Specify the correct host name Unsupported command command The Export Tool does not support the specified command Specify a correct command Unsupported operand operand The specified operand is not supported Correct the specified operand Unsupported option option The specified option is not supported Co
92. KB sec for initial copy operations The number of asynchronous remote I Os per second at the primary storage system The number of journals at the primary storage system The average transfer rate KB sec for journals in the primary storage system The remote I O average response time milliseconds on the primary storage system The number of asynchronous remote I Os per second at the secondary storage system The number of journals at the secondary storage system The average transfer rate KB sec for journals in the secondary storage system The remote I O average response time milliseconds on the secondary storage system Note 1 millisecond is one thousandth of 1 second Using the Export Tool 7 13 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Table 7 15 Files with Statistics about Remote Copy Operations by UR and UR for I BM z OS At J ournal Groups URINL_dat ZIP URINL_Write_Record csv The number of write I Os per second URIJNL_Write_Transfer csv The amount of data that are written per second KB sec URIJNL_Initial_Copy_Hit csv The initial copy hit rate percent URJINL_Initial_Copy_Transfer c The average transfer rate KB sec for initial copy sv operations URJNL_M The number of asynchronous remote I Os per JNL_Asynchronous_RIO csv second at the primary storage system URJNL_M The number of j
93. LDEV Emulation Paths Current lOPS Ave lOP SPM amp Y Subsystem 0000 00 00 04 OPEN V 1 _ Current Control B Target E CL1 AE8 E e 00 Host 10 EEUN e 01 Host11 Ai b E 02 Host 12 03 Host 13 Oo vw is 4 CL3 A E4 H CLS A E2 Chart Y Axis Rate H H CL7 A E1 CL1 B E0 H CL3 B 0C H CL5 B DA H CL7 B D9 a g cL1 cccc H E CL3 Clt c 2nd CB H CL5 C CA J CL Cl5 C ana cgy J cL1 D c7 H cL3 D C6 a g CLS D C5 CL7 D C3 Q Initiator External Monitoring Switch Enable DEn 0000 5 2 23 00 5 3 03 00 21 00 01 00 Ave Emin Figure 4 8 Port LUN tab of the Performance Management Window When the Port LUN tab is active the Performance Management window contains the following items e When Monitoring Switch is Enable Performance Monitor is monitoring the storage system a Disable setting indicates that the system is not being monitored Using the Performance Manager GUI 4 15 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide e Gathering Interval indicates that the statistics are collected at the interval displayed here If the number of the CUs monitored is 64 or less the value between 1 and 15 appears as a gathering interval by minutes For example if 1 min is displayed the information obtained every one minute is displayed in the list and the graph In case 65 or more
94. LDKC CU id value on the right of the colon For example you can specify URLDEV 000 105 but you cannot specify URLDEV 105 000 If LDKC CU id is not specified the monitoring data of all the volumes will be exported Examples The following example exports statistics about host bus adapters and SPM groups group PortWWN group PPCG 7 52 Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide The following example exports statistics about three ports CL1 A CL1 B and CL1 C group Port CL1 A CL1 C The following example exports statistics about six ports CL1 A to CL1 C and CL2 A to CL2 C group Port CL1 A CL1 C CL2 A CL2 C The following example exports statistics about the parity group 1 3 group PG 1 3 1 3 The following example exports statistics about the parity group 1 3 and other parity groups whose ID is larger than 1 3 for example 1 4 and 1 5 group PG 1 3 The following example exports statistics about the external volume groups E1 1 to E1 5 group PG E1 1 E1 5 The following example exports statistics about the parity group 1 3 and other parity groups whose ID is smaller than 1 3 for example 1 1 and 1 2 group LDEV 1 3 The following example exports statistics about LU paths for the host group host storage domain ID 01 for the port CL1 A group LU CL1 A 01 CL1 A 01 Us
95. LU Paths Viewing HBA Information Performance Monitor Operations 5 1 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Overview of Performance Monitor Operations This section briefly describes how to use Performance Monitor to monitor the storage system Start Monitoring 5 2 To start monitoring the storage system you start Performance Monitor and display the Monitoring Options window The following statistics appear in the tabs of Performance Management windows e LU statistics are displayed in the Port LUN tab e Volume statistics are displayed in the LDEV tab In the above tabs performance statistics of unused volumes are displayed as hyphens if the range of monitored CUs does not match the range of CUs used in the disk storage system or registered as external volumes In addition depending on your disk subsystem configuration the list may display performance statistics for some volumes and not display performance statistics for other volumes To correctly display performance statistics you must specify CUs to be monitored as follows e To display performance statistics of a LUSE volume in the Port LUN tab you must specify all volumes that make up the LUSE volume as the monitoring targets e To display performance statistics of parity group to be displayed in the LDEV tab you must specify all volumes that belong to the parity group as the monitoring target Performa
96. M group name A Use this operand when you want to export statistics about SPM groups which are displayed in the WWN tab of the Performance Management window When statistics are exported in a ZIP file the file name will be PPCG_dat ZIP For details on the statistics exported by this operand see Table 7 8 When you specify variables SPM group name you can narrow the range of SPM groups whose monitoring data are to be exported SPM group name is the name of an SPM group If the name includes any non alphanumeric character the name must be enclosed by double quotation marks The colon indicates a range For example Grp01 Grp03 indicates a range of SPM groups from GrpO1 to Grp03 Ensure that the SPM group name value on the left of the colon is smaller than the SPM group name value on the right of the colon Numerals are smaller than letters and lowercase letters are smaller than uppercase letters In the following formulae values are arranged so that smaller values are on the left and larger values are on the right 0 lt 1 lt 2 lt lt 9 lt a lt b lt u lt zZz lt A lt B lt lt Z cygnus lt raid lt Cancer lt Pisces lt RAID lt RAID5 Regardless of whether you specify or omit SPM group names the exported CSV files contain statistics about host bus adapters that do not belong to any SPM groups The exported CSV files use the heading named Not Grouped to indicate statistics about these host bus adapters If SPM gr
97. Max column displays the maximum usage rate for the specified period Monitoring Hard Disk Drives The LDEV tab of the Performance Management window lets you check workloads on physical hard disk drives parity groups or on volumes The LDEV tab displays the I O rate and the transfer rate The I O rate indicates the number of disk I Os per second The transfer rate indicates the size of data transferred to the disk in one second In addition the LDEV tab displays the read hit ratio and the write hit ratio 5 26 Performance Monitor Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide e Fora read I O when the requested data is already in cache the operation is classified as a read hit e Fora write I O when the requested data is already in cache the operation is classified as a write hit This section describes how to view the statistics about disk access performance Before taking the following steps you need to start monitoring in accordance with the procedure described in Starting and Stopping Storage System Monitoring and obtain the usage statistics Viewing I O Rates for Disks Performance Monitor monitors hard disk drives and measures I O rates that is the number of disk I Os per second To view I O rates 1 Ensure that the Performance Management window is displayed 2 Click the LDEV tab The tree displays a list of parity groups and external volume groups 3 Select LOPS from
98. Monitor CL2 AEF amp monitor 0000000000000001 wwn01 DoooNGOTORNNNNNZvawnd2 DOooOGAGODNNONOI lt vawnd3 Non Monitor cL 2 CE4 Monitor 0000000000000001 lt vavndt 0000000000000002 lt vawn02 0000000000000003 lt vAavn03 3 6 Non Monitor Figure 6 5 Specifying Host Bus Adapters to be Monitored For more detailed instruction see Setting Priority for Ports on the Storage System Server Priority Manager is unable to monitor and control the performance of hosts whose host bus adapters are placed below the Non Monitor icon 3 Set priority to host bus adapters using the WWN tab of the Server Priority Manager window In network B the production server is given high priority and the development server is given low priority If your network is configured as in Figure 6 4 you must give high priority to wwn01 and also give low priority to wwn02 and wwn03 To give priority to the three host bus adapters take the following steps a In the WWN tab select one of the four ports that the HBAs are connected to i e ports 1A 1C 2A and 2C b Set Prio to wwn01 Also set Non Prio to wwn02 and wwn03 Port WWN flops x O Non Monto oOo Fae ies EMAR Soa Y Subsystem i pee poooooooooo00001 WNO1 lgroup 1his 20 65 70 Prio HER CL2 4 E2 ooooooooooooo002 WYNO2 group 2 16 21 115 Non Prio E CL2 C E1 ooo0000000000003
99. Record csv The number of read I Os per second URLU_Read_Hit csv The number of read hit records per second URLU_Write_Record csv The number of write I Os per second URLU_Write_Hit csv The number of write hit records per second URLU_Read_Transfer csv The amount of data that are read per second KB sec URLU_Write_Transfer csv The amount of data that are written per second KB sec URLU_Initial_Copy_Hit csv The initial copy hit rate percent URLU_Initial_Copy_Transfer cs The average transfer rate KB sec for initial copy v operations Table 7 17 Files with Statistics about Remote Copy Operations by UR and UR for I BM z OS At Volumes Controlled by a Particular CU URLDEV_Read_Record ZIP URLDEV_Read_Record_xx csv The number of read I Os per second URLDEV_Read_Hit ZIP URLDEV_Read_Hit_xx csv The number of read hit records per second URLDEV_Write_Record ZIP URLDEV_Write_Record_xx csv The number of write I Os per second URLDEV_Write_Hit ZIP URLDEV_Write_Hit_xx csv The number of write hit records per second URLDEV_Read_Transfer ZIP URLDEV_Read_Transfer_xx csv The amount of data that are read per second KB sec URLDEV_Write_Transfer ZIP URLDEV_Write_Transfer_xx csv The amount of data that are written per second KB sec URLDEV_Initial_Copy_Hit ZIP URLDEV_Initial_Copy_Hit_xx csv The initial copy hit rate percent URLDEV_Initial_Copy_Transfer URLDEV_Initial_Copy_Transfer The average transfer rate KB sec f
100. StiCS isi ci nsec eriericdiivisindrcarinn Ginn elie een 2 9 Write Pending Rate and Cache Memory Usage Statistics 1 0 0 eeeeeeeeeee ees 2 9 Access Path Usage Starisies ovscsssscsoniceyssaatorinssvnecetaninieaceniacGieaaebianduancduias 2 10 Hard Disk Drive Workload Statistics 2 11 Port Traffic Statistics inersion sonenn ini nnan en EEEE NEA ARTEEN NND 2 12 LU Paths Traffic SUAS Sin triersveeerssiceeqeereni ter ea ia 2 12 Traffic between HBAs and Storage System Ports s c 2 13 Performance of High Priority HOSS vsiienecesinsiivarrieareiiiiremtennianian 2 13 Upper Limit Control s sssssssserissrsesresrresrrsrrsresrrrrrsrrtrrnsrrerrnerrreresrresresrrani 2 14 Performance Monitor avcncrcnemssrumiieamunmicmmniudinentiniaeamonettmen 2 17 Server Priority MAM QO vaaendcriar tee nccexcsietccinavertndcisudtaten dotucbuenncceteenietnaniiece 2 18 Preparing for Performance Manager Operations cccccsscseeesseneeeaeeees 3 1 Performance Monitor LINMLALONS ex ic stscdetorenanecissincerneiavicinelsgrenarecifareles 3 3 Export Tool MME A UONG hetieuceeceitetrsstsriceatsiehteareletecctdasssasautsatsameecronialee 3 5 Contents iii Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Using the Performance Manager GUI ccccccceccsecssecseeeeeeaeeeeeeaeeeaeeee esas 4 1 Performance Monitor WINdOW s ssssssssssssesrssrrssresrresrrsrinrrrtrrnerrerrnnrersreereesree 4 2 Performance Management Window Physical Tab
101. Term 03 10 To 03 09 To 2006 05 03 03 09 Monitoring Switch Enable Gathering Interval 5 min 9 iz 450 min Apply Monitoring Data IOPS WWN PorkLUN LDEV Physical KA LDEv Emulation 10 RateqoPs Reaaqops wrteac fosas S amp Y Subsystem z 00 14 00 OPEN V 1 a P Box al 00 14 01 OPEN V 21 Si 1 115 516 6D 2P _ 001402 oPENnv 3 amp 1 2 5 1 5 2 6 6D 2P I 00 14 03 OPEN V al 1 3 5 3 5 4 6 6D 2P E 1 4 6 6D 2P F i Q Box2 A gt QQ Box3 z amp Box 8 i Z Borg Chart Y Axis Rate 5000 v qd Qj Box 10 amp Box 11 lops Q Box v1 amp Box v2 Pent on Go ho Be ee H A Box v3 H A Box v4 40007 A Box E1 35007 A Box 16268 3000 A Box 16383 25004 G Box x1 2000 00 14 03 QQ Box x2 15004 amp Box X3 4000 a Box Xs 5007 o6 BoxX6 5 2 23 00 5 3 03 00 a e a g a Boxx 21 00 01 00 a g in find Q Boxxe E 10 Rate Ave min Figure 4 5 LDEV Tab of the Performance Management Window When the LDEV tab is active the Performance Management window contains the following items Using the Performance Manager GUI 4 9 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide e When Monitoring Switch is Enable Performance Monitor is monitoring the storage system a Disable setting indicates that the system is not being monitored e Gathering Interval
102. This column displays a hyphen if the I O rate is O zero Attribute Indicates the priority of each port Prio indicates a prioritized port Non Prio indicates a non prioritized port Note In the list of Port LUN tab two types of aliases appear for host bus adapters SPM name and nickname If you select a port icon in the tree SPM names defined by Server Priority Manager appear If you select a host group icon in the tree nicknames defined by LUN Manager appear We recommend that you specify the same name for an SPM name and a nickname for convenience of host bus adapter management Initiator External Indicates the port attribute Initiator indicates an initiator port External indicates an external port Both of the ports are not controlled by Server Priority Manager Viewing Details about the I O and Transfer Rates To view detailed information about the I O rate or the transfer rate for a port 1 From the list at the right side of the window select the type of statistics to be displayed To view I O rates select I OPS I Os per second from the list To view transfer rates select MB s megabytes per second from the list 2 Select the Subsystem folder in the tree 3 Select a port from the list 4 Click Draw 5 40 The graph that is not in detail is displayed Select the Detail check box The graph contents change as described in Figure 4 10 Performance Monitor Operations Hitachi Univer
103. This is because the Performance Management window omits fractions below the decimal point when displaying the I O rate for each volume e If there is no volume in a parity group hyphens are displayed in place of performance statistics on a parity group e If the CU is not the monitoring target all items in the row are displayed in italics If you want to monitor those items specify the CU as the monitoring target by using the Monitoring Option window The list displays the following e 4 when the green checkmark icon Ml is displayed on the left of an item the graph displays workload statistics about the parity group the external volume group or the volume e PG Indicates the parity group ID or the external volume group ID If the ID starts with the letter E the group is an external volume group If the ID starts with the letter V or X the group is a V VOL group e LDEV Indicates the volume ID If the ID ends with the pound or gate symbol the volume is an external volume If the ID ends with the symbol V or X the volume is a virtual volume e Emulation Indicates the emulation type e 1O Rate Indicates the number of I O requests to the parity group the external volume group or the volume per second Performance Monitor Operations 5 29 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide e Read Indicates the number of read requests to the parity group the externa
104. To boxes and release Performance Monitor from real time mode e If the Current Control label displays Port Control the system is controlled by the upper limits and the threshold specified in the Port tab of the Server Priority Manager window If the Current Control label displays WWN Control the system is controlled by the upper limits and the threshold specified in the WWN tab of the Server Priority Manager window If the Current Control label displays No Control the system performance is not controlled by Server Priority Manager e The Draw button displays a line graph illustrating changes in the I O rate or the transfer rate The graph can display up to eight lines simultaneously Using the Performance Manager GUI 4 23 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 4 24 The line graph illustrates changes in the I O rate or the transfer rate The vertical axis indicates the usage rates in percentage The horizontal axis indicates dates and or times When the graph displays I O rates or the transfer rates for a host bus adapter or an SPM group controlled by an upper limit the graph also displays a line that indicates the upper limit When you draw a graph the Chart Y Axis Rate list lets you select the highest value of the Y axis the vertical axis of the graph Chart Y Axis Rate 1000 he oo 0 00 3 group 00 group oo 00 0 5 2 23 00 23 20 23 40 5 3 22 40
105. V file correctly you need to perform following the parity group ID and operations volume ID are displayed 1 Start Microsoft Excel as following 2 On the menu bar select Data Import External Data and Import Text File and specify a CSV file to import The Text Import Wizard Step 1 of 3 dialog box is displayed 3 In the Text Import Wizard Step 1 of 3 dialog box click Next Text Import Wizard Step 2 of 3 dialog box is displayed 4 In the Text Import Wizard Step 2 of 3 dialog box check only Comma in the Delimiter area and click Next The Text Import Wizard Step 3 of 3 dialog box is displayed 5 In the Text Import Wizard Step 3 of 3 dialog box select all columns of Date preview and check Text in the Column data format area on the upper right of this dialog box 6 Click Finish The imported CSV file is displayed The parity group IDs are displayed as dates The volume IDs are displayed with a decimal point When you executed the Because too many volumes are specified a timeout error might have Export Tool with many occurred due to a heavy workload imposed on the computer where volumes specified the the Export Tool was running The error message ID is 0001 4011 Export Tool terminated Specify fewer volumes It is recommended that the number of abnormally while gathering volumes to be specified is 16 384 or less monitoring data If an error occurs when you run the Export Tool error messag
106. act the Hitachi Data Systems Support Center see Calling the Hitachi Data Systems Support Center DRR Processor Usage Statistics A data recovery and reconstruction processor DRR is a microprocessor located on the DKAs that is used to generate parity data for RAID 5 or RAID 6 parity groups The DRR uses the formula old data new data old parity to generate new parity If the monitor data shows high DRR usage overall this can indicate high write penalty condition Please consult your Hitachi Data Systems representative about high write penalty conditions If the monitor data shows that DRR usage is not balanced you should consider relocating volumes using Volume Migration to balance DRR usage within the storage system For information on using Volume Migration contact the Hitachi Data Systems Support Center see Calling the Hitachi Data Systems Support Center For details on how to view usage statistics on DRRs see Viewing Usage Statistics on Data Recovery and Reconstruction Processors Write Pending Rate and Cache Memory Usage Statistics The write pending rate indicates the ratio of write pending data to the cache memory capacity The Performance Management window displays the average and the maximum write pending rate for the specified period of time When you display monitoring results in a short range the window also displays the average and the maximum usage statistics about the cache memory for the specified period of ti
107. addition estimated usage rates of volumes after migration by Volume Migration cannot be displayed 4 8 Using the Performance Manager GUI Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide The usage statistics for a same term might be slightly different between selecting shortrange and longrange because the monitoring precision of these two interval types differs For details on the types of storing period of statistics see Understanding Statistical Storage Ranges For details on the relationship between collection interval and the storing period of the statistics see Monitoring Options Window LDEV Tab of the Performance Monitor Window When you click Go Performance Manager and then Performance Management on the menu bar of the Storage Navigator main window Performance Monitor starts and the Performance Management window is active The Performance Management window includes the LDEV tab which lets you view statistics about disk access performance For example the window displays the I O rate the number of I Os per second the transfer rate the size of data transferred per second the average response time for parity groups and volumes For details on how to use this window see Monitoring Hard Disk Drives Performance Management TC Monitor TCz Monitor UR Monitor URz Monitor Monitoring Options ae Fi Performance Monitor Monitoring e From 2006 705702 19 394 IN rom I Heenan
108. age Statistics on External Volumes in External Volume Groups Performance Monitor monitors external volumes in external volume groups and lets you view the usage statistics of external volumes Performance Monitor also displays a graph illustrating changes in the usage statistics of external volumes within that period You can view the usage statistics about external volumes only when you select shortrange for the storing period of statistics To view usage statistics about external volumes in an external volume group 1 Ensure that the Performance Management window is displayed 2 In the tree click the Physical tab 3 In the list above the tree select shortrange for the storing period of statistics If you select longrange no statistics appears in the list 4 In the tree select the External Group folder The folder opens and a list of external volume groups is displayed below the folder 5 Select the desired external volume group The list on the right displays usage statistics about external volumes in the specified external volume group The displayed statistics are the average and the maximum usage rates for the period specified in the From and To boxes A Notes The list displays up to a maximum of 4 096 resources at a time If the number of resources exceeds 4 096 use Previous and Next to display the remaining resources If you change the date and time in the From and To boxes and then click Apply Performance
109. age system folder The number at the end of a Box folder name indicates the number at the beginning of parity group ID external volume group ID or V VOL group ID For example if you double click the Box 1 folder the tree displays a list of parity groups whose IDs begin with 1 for example 1 1 and 1 2 At the right of each ID the RAID level appears When you select a parity group the list on the right lists volumes in the parity group The IDs of external volume groups are beginning with the letter E Therefore a folder whose number is beginning with the letter E such as Box E1 contains external volume groups For example if you double click the Box E1 folder the tree displays a list of external volume groups whose IDs begin with E1 for example E1 1 and E1 2 The external volume groups do not have parity in formation and no RAID level appears at the right of IDs A volume existing in an external storage system and mapped to a volume in the USP V VM storage system by using Universal Volume Manager is called an external volume An external volume group is a quantity of external volumes grouped together for managing and that does not contain any parity information unlike a parity group However Performance Management window treats external volume groups same as parity groups for convenience When Copy on Write Snapshot is used the IDs of V VOL groups begin with the letter V When Dynamic Provisioning is used the IDs of V VOL
110. aining the 5 6 statistics In the Monitoring Target area click the cells representing the CUs to be monitored and then click Select Click Apply Performance Monitor starts monitoring the storage system Performance Monitor Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide A Note When statistics are collected a heavy workload is likely to be placed on servers Therefore the client processing might slow down To stop monitoring the storage system 1 Start Performance Monitor and select the Monitoring Options tab The Monitoring Options window is displayed 2 In Monitoring Switch select Disable for the Current Status option The Gathering Interval list is unavailable 3 Click Apply Performance Monitor stops monitoring the storage system Performance Monitor Operations 5 7 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Monitoring Resources in the Storage System This section describes how to view usage statistics about resources in the storage system Before taking the following steps you need to start monitoring in accordance with the procedure described in Monitoring Options Window and obtain the usage Statistics Viewing Usage Statistics on Parity Groups 5 8 Performance Monitor monitors parity groups and lets you view the average and the maximum usage rate in a specified period Performance Monitor also displays a
111. and the maximum usage rates for the period specified in the From and To boxes A Note If you change the date and time in the From and To boxes and then click Apply Performance Monitor recalculates usage rates and updates information in the list To change the date and time in From and To boxes use the arrow buttons and the sliders for details see Performance Management Window Physical Tab 6 If you want to display a graph illustrating changes in usage rate for DRRs select the desired DRRs in the list and then click Draw Note The range of monitoring and the gathering interval affects the time period represented by a graduation on the horizontal axis Usage A Z Ave Total Max DRR80 1B 40 84 DRR81 1B 40 84 DRR82 1B 40 84 DRR83 1B 40 84 DRR90 1C 40 84 DRR91 1C 40 84 DRR92 1C 40 84 DRR93 1C 40 84 DRRAO 1D 40 84 Figure 5 9 Example of DRR Usage Rates Displayed in the List Performance Monitor Operations 5 21 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide The list displays the following items e KA When the green checkmark icon M is displayed on the left of a DRR the graph illustrates changes in usage rate for the DRR e ID This column displays ID numbers for DRRs e Usage The Ave Total column displays the average usage rate in the specified period The Max column displays the maximum usage rate in the spe
112. anges in the average I O rate calculated every minute refer to Graph 2 If you select the Detail check box in the Performance Management windows the graph displays changes in the maximum average and minimum I O rates in one minute Server Priority Manager applies upper limits and thresholds to the average I O rate or the average transfer rate calculated every gathering interval For example in Figure 2 3 in which the gathering interval is 1 minute if you set an upper limit of 150 IO s to the port 1A the highest data point in the line CL1 A in Graph 2 and the line Ave 1 min in Graph 3 is somewhere around 150 IO s It is possible that the lines Max 1 min and Min 1 min in Graph 3 might exceed the upper limit I O rateC lOPS 400 Period Minimum Average Maximum 300 08 00 08 01 100 160 200 08 01 08 02 130 180 250 200 CL1 A 08 02 08 03 200 225 250 08 03 08 04 200 250 300 100 time 08 00 08 01 08 02 08 03 08 04 Graph 1 Actual I O rate measured every second I O rate lOPS I O rate lOPS 400 400 300 300 Max 1min CL1 A pees Ave 1min 200 oan 200 ail Min 1min 100 100 time time 08 00 08 01 08 02 08 03 08 04 08 00 08 01 08 02 08 03 08 04 Graph 2 I O rate displayed in Performance Monitor Graph 3 I O rate displayed in Performance Monitor The Detail check box is not selected The Detail check box is selected Figure 2 3 Line Graphs I ndicating Changes in Port Traffic e Note on using TrueCopy Se
113. apter Storage system Figure 6 4 Network B Many to Many Connections are Established between HBAs and Ports If many to many connections are established between HBAs and ports take the following major steps 1 Find WWNs of host bus adapters Before using Server Priority Manager you must find the WWN Worldwide Name of each host bus adapter in host servers WWNSs are 16 digit hexadecimal numbers used to identify host bus adapters For details on how to find WWNs see the LUN Manager User s Guide 2 Ensure that all host bus adapters connected to ports in the storage system are monitored Use the WWN tab of the Server Priority Manager window to define which port is connected to which host bus adapter Place host bus adapters connected to each port below the Monitor icons In network B each of the four ports is connected to three host bus adapters wwn01 wwn02 and wwn0O3 Place the host bus adapter icons of wwn01 wwn02 and wwn0O3 below the Monitor icons for all the four port icons 6 6 Server Priority Manager Operation Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide The resulting definitions on the window are as follows QY Subsystem 2 CL1 AEX Monitor 0000000000000001 Cwwn01 0000000000000002 wwn02 0000000000000003 lt vawnD3 Non Monitor cv1 cloc amp monitor 0000000000000001 lt vawn01 D000000000000002 vANnD Z pooooddseRNDNNNs lt vavnd3 4 Non
114. arity group ID displayed will be that of the group at the top of the concatenated parity groups The icon used for concatenated parity groups is the same as a regular parity group icon There is no specific icon for concatenated parity groups e The Page area displays the number of the current page and the following items are being used to change pages of list Previous button allows you to display the previous 4 096 resources N M list The N displays the number of the current page The M displays total number of pages Use the list to choose the number of the page to display Next button allows you to display the next 4 096 resources e The Draw button displays a line graph illustrating changes in the I O rate the transfer rate etc The graph can display up to eight lines simultaneously 4 12 Using the Performance Manager GUI Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide e The line graph illustrates changes in the I O rate the transfer rate etc The vertical axis indicates the usage rates in percentage The horizontal axis indicates dates and or times If you select connected parity groups in the tree the graph illustrates changes in disk access performance e g the I O rate and the transfer rate for all the connected parity groups Before clicking Draw use the list at the right corner of the list just below the list for specifying the type of statistics to specify the type o
115. arity groups by ID If you click the cell for an individual parity group the CUs that belong to that parity group are displayed in the CU table on the right e LDKC list Indicates LDKC numbers To select an LDKC as a monitoring target click the LDKC number All the CUs that belong to that LDKC are displayed e CU table The CU table consists of cells representing CUs Each row consists of 16 cells CUs A set of 16 rows represents CUs for one LDKC The table header row displays the last digit of each CU number in the form of n n is an integer between 0 and 9 or a letter from A to F To select a CU click a cell to invert its color To restore the cell to its original color click the inverted cell To select all the 16 CUs of the same number in the second last digits click the CU number 00 to FO By dragging the cursor over multiple cells you can select all the cells from the source to the destination For your information one cell corresponds to one CU The relation of the display of a cell to the CU status is shown below Using the Performance Manager GUI 4 27 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Table 4 4 Relationship between the Display of a Cell and the CU Status in the CU Table Yes CU is being monitored S in black CU is to be released from monitoring R in blue italics CU is not being monitored None No CU will be monitored when it exist N in black
116. at do not contain any parity information unlike a parity group However Performance Management window treats external volume groups same as parity groups for convenience Using the Performance Manager GUI 4 5 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide The parity group icon can represent a single parity group The parity group icon can also represent two or more parity groups that are concatenated If two or more parity groups are concatenated volumes can be striped across two or more drives Therefore concatenated parity groups provide faster access particularly faster sequential access to data For example if the parity group icon indicates a single parity group 1 3 the text 1 3 appears on the right of the icon If the parity group icon indicates two or more parity groups that are connected together all the connected parity groups appear on the right of the icon For example if the parity group 1 3 is connected with the parity group 1 4 the text 1 3 1 4 appears on the right of the parity group icon All the parity groups connected with 1 3 are enclosed by square brackets Storage Navigator does not allow you to connect two or more parity groups If you want to use connected parity groups contact the maintenance personnel e The list displays statistics about parity group usage processor usage etc The list displays up to a maximum of 4 096 resources at a time If the n
117. ate for each volume in a parity group is not equal to the usage rate for that parity group see Viewing Usage Statistics on Volumes in Parity Groups This is because the Performance Management window rounds off fractions below the decimal point to the nearest whole number when displaying the usage rate for each volume If the CU is not the monitoring target all items in the row are displayed in italics If you want to monitor those items specify the CU as the monitoring target by using the Monitoring Option window The list displays the following items 5 12 KA When the green checkmark icon Ml is displayed on the left of a volume the graph illustrates changes in usage rate for the volume LDEV This column indicates volumes LDEVs in this format LDKC CU LDEV Emulation This column indicates device emulation types Usage The Ave Total column displays the average usage rate in the specified period The Max column displays the maximum usage rate in the specified period Read Rate The Rnd column indicates random read rates A random read rate is the ratio of random read requests to read and write requests The Seq column indicates sequential read rates A sequential read rate is the ratio of sequential read requests to read and write requests Write Rate The Rnd column indicates random write rates A random write rate is the ratio of random write requests to read and write requests The Se
118. ate for volumes select the desired volumes in the list and then click Draw Note The range of monitoring and the gathering interval affects the time period represented by a graduation on the horizontal axis When selecting longrange for storing period of statistics Parity Gr Use Exp Usage Read Rate Write Rate z Sinau meron wax Rna sea Rna sea aectoanf wac Ba 00 00 00 OPEN V 2 3 4 5 11 gt 6 12 gt 7 00 CLPRO 00 00 01 OPEN V ti al 3 4 5 6 11 gt 7 12 8 00 CLPRO 00 00 02 OPEN V 2 3 4 5 6 7 11 gt 8 12 gt 9 00 CLPRO 00 00 03 OPEN V 13 14 5 6 7 a 11 gt 9 12 gt 10 00 CLPRO 01 00 04 OPEN V 4 5 6l 7 al g 11 gt 10 12 gt 11 00 CLPRO 01 00 05 OPEN V 15 16 7 8 al 10 11 gt 11 12 12 O0 CLPRO When selecting shortrange for storing period of statistics Read Rate Write Rate 00 00 00 OPEN V 00 CLPRO 00 00 01 OPEN V H F E Ti iat L El L 00 CLPRO 00 00 02 OPEN V 12 13 14 15 16 if 18 19 O0 CLPRO 00 00 03 OPEN V 13 14 15 16 17 18 19 20 O0 CLPRO 01 00 04 OPEN V 14 15 16 17 18 19 20 21 00 CLPR0 01 00 05 OPEN V 15 16 EF 18 19 20 21 22 OO CLPRO Figure 5 4 Examples of Volume Usage Rates Displayed Performance Monitor Operations 5 11 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Note A e Itis possible that the sum of the usage r
119. ates a range For example CL1 c 01 CL1 c 03 indicates the range from the host group 01 of the CL1 C port to the host group 03 of the CL1 C port Ensure that the value on the left of the colon is smaller than the value on the right of the colon The smallest port name value is CL1 A and the largest port name value is CL4 r The following formula illustrates which port name value is smaller than which port name value CL1 A lt CL1 B lt lt CL2 A lt CL2 B lt lt CL3 a lt CL3 b lt lt CL4 a lt lt CL4 r Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide For example you can specify RcLU CL1 C 01 CL2 A 01 but you cannot specify RCLU CL2 A 01 CL1 c 01 Also you can specify RCLU CL1 C 01 CL1 c 03 but you cannot specify RcLU CL1 C 03 CL1 C 01 If port name host group id is not specified the monitoring data of all the volumes LUs will be exported RCLDEVA LDKC CU id LDKC CU id A Use this operand when you want to export statistics about remote copy operations which are displayed in the TC Monitor window and the TCz Monitor window By using this operand you can export monitoring data about remote copy operations performed by TrueCopy and TrueCopy for IBM z OS at volumes controlled by each CU When statistics are exported to a ZIP file multiple ZIP files whose names are beginning with RCLDEV_ will be output For details on the statistics exported
120. ats For example if you want to view statistics within the range of 10 30 July 1 2006 to 10 30 July 2 2006 you set 2006 07 01 10 30 to the From box set 2006 07 02 10 30 to the To box and then click Apply To set a date and time in From and To do either of the following Move the slider to the left or to the right Inthe text box select the number that you want to change Next click the up or down arrow When you specify dates and time in From and To Performance Monitor calculates the length in minutes of the specified period and displays the calculated length When calculating the length in minutes Performance Monitor rounds up to the nearest minute A Notes From and To are unavailable if the monitoring data that is obtained statistics is not stored in the storage system The Real Time option is grayed out when the LDEV tab is active 4 10 Using the Performance Manager GUI Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide e Inthe Monitoring Data area the list on the upper right of the list specifies the type of statistics to be displayed in the window If you want to view I O rate select LOPS I Os per second from the list If you want to view transfer rate select MB s megabytes per second from the list e The tree lists parity groups external volume groups and V VOL groups Box folders for example Box 1 Box E1 Box V1 and Box X1 are displayed below the stor
121. ays a Subsystem folder 3 Select the Subsystem folder The Target folder and the I nitiator External folder are displayed 4 Select LOPS from the list on the right side of the window 5 In Monitoring Term do one of the following To view the I O rate in real time you must select the Real Time option specify the number of recent collections of statistics which should be displayed in the graph and then click Apply To view I O rates for a certain period of time in the last 24 hours you must select the From option change the date and time in the From and To boxes and then click Apply Use the arrow button and the sliders when you change the date and time in the From and To boxes For details on the Real Time option and the From option see Viewing Port Workload Statistics 6 In the tree select the Target folder or the I nitiator External folder The list on the right displays I O rates for the ports on the storage system If you click the Target folder the tree displays a list of ports on the storage system If you click a port icon for example and the host groups 2 corresponding to that port appear Tips 5 34 Performance Monitor Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide If you select a port for example and in the tree the list displays I O rates for all the host bus adapters connected to the selected port If you select a host group
122. cache in the specified period The Max column displays the maximum usage rate of the cache in the specified period e Write Pending The Ave Total column displays the average write pending rate for the specified period The Moment Max column displays the maximum write pending rate for the specified period Viewing Usage Statistics on Access Paths The channel adapters CHAs and the disk adapters DKAs transfer data to the cache switch CSW and the shared memory SM when I O requests are issued from hosts to the storage system In some configurations DKAs are called array control processors ACPs Also the cache switch transfers data to the cache memory Performance Monitor audits these data transfer paths and lets you view the average and the maximum usage rate for the paths in a specified period Performance Monitor also displays a graph illustrating changes in path usage within that period To view usage statistics about paths 1 Ensure that the Performance Management window is displayed 2 In the tree click the Physical tab 5 24 Performance Monitor Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 3 In the list above the tree select the storing period of statistics from longrange and shortrange for display For details on the types of storing period of statistics see Understanding Statistical Storage Ranges When you view usage statistics about paths t
123. cal tab 3 In the list above the tree select shortrange for the storing period of statistics If you select longrange no statistics appears in the list 4 In the tree select the External Group folder The list on the right displays usage statistics about external volume groups The displayed statistics are the usage statistics for the period specified in the From and To boxes Notes A The list displays up to a maximum of 4 096 resources at a time If the number of resources exceeds 4 096 use Previous and Next to display the remaining resources If you change the date and time in the From and To boxes and then click Apply Performance Monitor recalculates usage rates and updates information in the list To change the date and time in From and To boxes use the arrow buttons and the sliders for details see Performance Management Window Physical Tab 5 To display a graph illustrating changes in usage statistics for external volume groups select the desired external volume groups in the list and then click Draw Note The range of monitoring and the gathering interval affects the time period represented by a graduation on the horizontal axis Response Time s Trans MB sec E1 1 2000 4 883 02 CLPR2 E1 2 2001 _ 4 884 OS CLPR3 E1 3 2002 4885 O0 CLPRO E1 4 2003 4886 01 CLPR1 Figure 5 5 Example of Usage Statistics of an External Volume Group Usages Displayed in the List 5 14 Pe
124. ce Manager User s Guide e Notes on writing script in the command file When you write a script in your command file be aware of the following Ensure that only one subcommand is used in one line Empty lines in any command file will be ignored Use a semicolon if you want to insert a comment in your command file If you enter a semicolon in one line the remaining characters in that line will be regarded as a comment PECL SF EEL EE CE PESOS TSE SECTS EET FFE EASE ae COMMAND FILE command txt eRe 1 A TEETS ICIL IETTELETETIETETITICEELA svpip 158 214 135 57 IP address of SVP login expusr passwd Log onto SVP Figure 7 8 Examples of Comments e Viewing the Online Help for subcommands You can display the online Help to view the syntax of subcommands when you are working at the command prompt To be able to view the online Help you must use the help subcommand of the Export Tool For detailed information about how to use the help subcomman4d see help Subcommand Using the Export Tool 7 31 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide svpip Subcommand Syntax svpipA ip address host name Description The svpip subcommand specifies the IP address or the host name of the SVP Operands ip address Specifies the IP address of the SVP If the SVP is managed with IPv6 Internet Protocol Version 6 you must specify the ip address operand to match the format of IPv
125. ch port and the host bus adapters According to the graph the I O rate at the path between 1A and the prioritized WWN wwn01 was approximately 400 IO s at first The I O rate at the path between 1A and the non prioritized WWNs wwn02 and wwn03 was approximately 100 IO s at first However as the I O rate for non prioritized WWNs wwn02 and wwn03 gradually increased from 100 IO s to 200 IO s the I O rate for the prioritized WWN wwn01 decreased from 400 IO s to 200 IO s This indicates that the high priority production server has degraded If you were the network administrator you probably would like to maintain the I O rate for the prioritized WWN wwn01 at 400 IO s For more information about monitoring traffic see Setting Priority for Host Bus Adapters and Analyzing Traffic Statistics Server Priority Manager Operation Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide I O rate IO s 400 300 prioritized WWN wwn01 J ft non prioritized WWN wwn02 and wwn03 200 100 time Figure 6 7 Traffic at Ports 5 Set an upper limit to traffic between ports and the non prioritized WWN to prevent decline in I O rates at prioritized WWNs When you set an upper limit for the first time the upper limit should be approximately 90 percent of the peak traffic level In network B the peak I O rate at the paths between port 1A and the non prioritized WWNs wwn02 and wwn03
126. cified period Viewing Write Pending and Cache Memory Usage Statistics Performance Monitor lets you view write pending rates A write pending rate indicates the ratio of write pending data to the cache memory capacity Performance Monitor displays the average and the maximum write pending rate in a specified period When you select shortrange for storing period of statistics Performance Monitor also displays the average and the maximum usage statistics about the cache memory in a specified period In addition Performance Monitor can display a graph illustrating changes in write pending rate or usage statistics of the cache memory within that period To view the write pending rate or usage statistics of the cache memory 1 Ensure that the Performance Management window is displayed 2 In the tree click the Physical tab 3 In the list above the tree select the storing period of statistics from longrange and shortrange for display For details on the types of storing period of statistics see Understanding Statistical Storage Ranges The items displayed in the list are a little different depending on the selection of the storing period longrange or shortrange The write pending rates are displayed by both selection but usage statistics of the cache memory are displayed only when you select shortrange 4 In the tree select the Cache folder The list on the right displays the write pending rates If you select shortrange for the st
127. cify the same names for the SPM names and the nicknames of the host bus adapters for convenience of host bus adapter management Nicknames are aliases of host bus adapters defined by LUN Manager In the Port LUN tab of Performance Monitor not only SPM names but also nicknames are displayed as the aliases of host bus adapters WWNs in the list Therefore if you specify both the same aliases the management of the host bus adapters is easier 8 Click OK The selected WWN of the host bus adapter is moved from Non Monitor to Monitor Note If the specified host bus adapter is also connected to other ports after clicking OK a message appears asking whether to change the settings of that host bus adapter for other ports too Make the same setting for all the ports 9 Repeat step 6 to 8 to move all the host bus adapters displayed below Non Monitor to below Monitor Note If you disconnect a host that has been connected via a cable to your storage system or change the port to the another port of the host the WWYN for the host will remain in the WWN list of the WWN tab If you want to delete the WWN from the WWN list you can delete the WWN by using LUN Manager For detail information of the deleting old WWNs from the WWYN list see the LUN Manager User s Guide 10 Click Apply in the Server Priority Manager window The settings on the window are applied to the storage system Note If you are using Windows you can dra
128. cond Table 7 11 Files with Statistics about Remote Copy Operations by TC and TC for I BM z OS for each Volume LU RCLU_dat ZIP RCLU_AII_RIO csv The total number of remote I Os read and write operations 7 10 Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide RCLU_AIl_Read csv The total number of remote read I Os RCLU_AII_Write csv The total number of remote write I Os RCLU_RIO_Error csv The number of errors that occur during remote I O RCLU_Initial_Copy_RIO csv The number of initial copy remote I Os RCLU_Initial_Copy_Hit csv The number of hits of initial copy remote I Os RCLU_Initial_Copy_Transfer csv The average transfer rate KB sec for initial copy remote I Os RCLU_Initial_Copy_Response cs v The average response time milliseconds for the initial copy of each volume LU RCLU_Migration_Copy_RIO csv The number of migration copy remote I Os RCLU_Migration_Copy_Hit csv The number of hits of migration copy remote I Os RCLU_Update_Copy_RIO csv The number of update copy remote I Os RCLU_Update_Copy_Hit csv The number of hits of update copy remote I Os RCLU_Update_Copy_Transfer c sv The average transfer rate KB sec for update copy remote I Os RCLU_Update_Copy_Response csv The average response time milliseconds for the update copy of each volume LU RCLU_Restore_Co
129. cripts in runWin bat and runUnix bat However you might need to edit the Java command script in your text editor in some occasions for example e if the name of your command file is not command txt e if you moved your command file to a different directory e if you do not want to save log files in the log directory e if you want to name log files as you like If the computer that runs the Export Tool communicates with the SVP via a proxy host you need to edit the Java command script in your text editor When editing the Java command script you need to specify the host name or the IP address and the port number of the proxy host For example if the host name is J upiter and the port number is 8080 the resulting command script as shown in Figure 7 3 Batch file for Windows computers runWin bat Java classpath lib JSanExport jar lib JSanRmiServerSx jar Dhttp proxyHost Jupiter Dhttp proxyPort 8080 Xmx536870912 Dmd command command txt Dmd logpath log sanproject getmondat RJMdMain pause Batch file for UNIX computers runUnix bat bin sh 4 Java classpath lib JSanExport jar lib JSanRmiServerSx jar Dhttp proxyHost Jupiter Dhttp proxyPort 8080 Xmx536870912 Dmd command command txt Dmd logpath log sanproject getmondat RJMdMain Figure 7 3 Scripts in Batch Files When Specifying the Host Name of a Proxy Host In the above scripts the symbol indicates t
130. ct the Subsystem folder in the lower left tree The SPM Name column indicates SPM names of host bus adapters Server Priority Manager allows you assign an SPM name to each host bus adapter so that you can easily identify each host bus adapters in the Server Priority Manager windows This column does not appear when you select the Subsystem folder in the lower left tree The Group column indicates the SPM group to which the host bus adapter belongs This column appears when a port is selected in the upper left tree and does not appear when an SPM group is selected in the lower left tree The Per Port column indicates the traffic I O rate or transfer rate between the host bus adapter and the port selected in the upper left tree This item is displayed only when you select an icon in the upper left tree The Per Port column contains the following columns Ave Indicates the average I O rate or the average transfer rate for the specified period Max Indicates the maximum I O rate or the maximum transfer rate for the specified period The WWN Total column indicates the sum of the traffic I O rate or transfer rate between the host bus adapter and all the ports connected to the host bus adapter This value means the total traffic of that host bus adapter This item is displayed only when you select an icon in the upper left tree Whichever port you select in the tree the WWN Total column shows the sum of the traffic to all the po
131. cted ka Pon currensiors Ave goPsyTotan PeakqoPs Response Timetms _ Inttatorexemal_ CL1 E D6 415 os 2 400 Initiator CL3 E 1 E 2nd D5 465 470 2 450 Initiator CL5 E D4 515 520 2 500 External CL E 5 E 2nd D3 565 570 2 550 External I O rate for host bus adapters connected to a specified port When a port for example and is selected Performance Monitor Operations 5 35 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide SPM Name Current IOPS Ave Max Response Time ms Attribute o000000000000001 SPM 1 2 000 Non Prio o000000000000002 SPM 2 2 050 Non Prio ooo0000000000003 SPM 3 115 120 2 100 Non Prio o000000000000004 SPM 4 165 170 2 150 Non Prio ooooo000000000005 SPM 5 215 220 2 200 Non Prio o000000000000006 SPM 6 265 270 2 250 Non Prio Others 15 20 2 000 1 O rates for host bus e in a host group When a host group 22 is selected A ani al eae Current lOPS Ave eee Max as Response Time ms Attribute 0000000000000001 2 000 Non Prio 0000000000000002 A z z 2 050 Non Prio Figure 5 15 1 O Rates for Ports The list displays the following e A When the green checkmark icon M is displayed on the left of an item the graph displays changes in workload statistics about the item e Port Indicates ports on the storage system e WWN Ind
132. d specifies two parity groups and that the total number of parity groups in the storage system is 100 Syntax error line A syntax error is detected in a command line in your command file Check the command line for the syntax error and then correct the script A Note Some operands must be enclosed by double quotation marks Check the command line to find whether double quotation marks are missing Troubleshooting Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 8 7 Calling the Hitachi Data Systems Support Center 8 8 If you need to call the Hitachi Data Systems Support Center please provide as much information about the problem as possible including e The circumstances surrounding the error or failure e The exact content of any error messages displayed on the host system s e The Volume Retention Manager or other error code s displayed by the Storage Navigator computer e The USP V VM Storage Navigator configuration information saved on diskette using the FD Dump Tool see the Storage Navigator User s Guide e The remote service information messages R SIMs logged on the Storage Navigator computer and the reference codes and severity levels of the recent R SIMs The Hitachi Data Systems customer support staff is available 24 hours day seven days a week If you need technical support please call e United States 800 446 0744 e Outside the United Stat
133. d to high priority production servers The port 2A is connected to a low priority development server Therefore the ports 1A and 1C should be given high priority and the port 2A should be given low priority Figure 6 2 shows a portion of the Server Priority Manager window where the abbreviation Prio indicates that the associated port is given high priority and the abbreviation Non Prio indicates that the port is given low priority Note Throughout this manual the term prioritized port is used to refer to L i a high priority port The term non prioritized port is used to refer to a low priority port Server Priority Manager Operation 6 3 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Prio indicates a prioritized port Ave flops Peak lOPS Attribute CL1 A E2 Prio Non Prio indicates a non prioritized port CL1 C DC Prio CL2 A EF Non Prio Figure 6 2 Priority Specified in the Server Priority Manager Window 2 Monitor traffic at ports You must obtain statistics about traffic at each port on the storage system There are two types of traffic statistics the I O rate and the transfer rate The I O rate is the number of I Os per second The transfer rate is the size of data transferred between a host and the storage system When you view traffic statistics in the window you select either the I O rate or the transfer rate The Port LUN tab of the P
134. d transfer rates between host bus HBAs and ports Before taking the steps described in the following sections you need to do the following 1 Perform a Server Priority Manager operation see Monitoring All Traffic between HBAs and Ports and Setting Priority for Host Bus Adapters 2 Start the monitoring by using Performance Monitor in accordance with the procedure described in Starting and Stopping Storage System Monitoring and obtain the traffic data between host bus HBAs and ports Viewing HBA Information Viewing I O Rates between HBAs Performance Monitor monitors traffic between HBAs in the hosts and ports on the storage system and measures I O rates that is the number of disk I Os per second To view I O rates 1 Ensure that the Performance Management window is displayed 2 Click the WWN tab The tree displays a list of SPM groups a Below that list an item named Not Grouped To display host bus adapters B in the SPM group double click an SPM group To display host bus adapters E that do not belong to any SPM group double click Not Grouped 3 Select 1OPS from the list on the right side of the window 4 In Monitoring Term do one of the following To view the I O rate in real time you must select the Real Time option specify the number of recent collections of statistics which should be displayed in the graph and then click Apply To view I O rates for a certain period of time in the last
135. displays a number between 1 and 15 to indicate how often data collection is performed If the number of the CUs to be monitored is 64 or less the value between 1 and 15 appears as a gathering interval by minutes For example if 1 min is displayed the information obtained every one minute is displayed in the list and the graph In case 65 or more CUs are monitored the statistics are displayed every 5 10 or 15 minutes e The list on the right of Monitoring Data indicates storing period of statistics monitoring data The statistics displayed in the LDEV tab are stored only in short range therefore shortrange is displayed in this list and you cannot change it The range of monitoring data that can be displayed in the window is between 8 hours and 15 days depending on the gathering interval For details on the types of storing period of statistics see Understanding Statistical Storage Ranges For details on the relationship between collection interval and the storing period of the statistics see Monitoring Options Window e Monitoring Term lets you narrow the range of statistics that should be displayed in the window Starting and ending times for collecting statistics are displayed on both sides of the slide bar Performance Monitor stores the monitoring data between these times and you can specify the desired term within this range as statistics for the specified term will be displayed the target of display in lists and graphs form
136. e I O rate or the average transfer rate for the specified period The Peak column indicates the peak I O rate or the peak transfer rate of the ports for the specified period This value means the top of the Max line in the detailed port traffic graph drawn in the Port LUN tab of Performance Monitor For details see Viewing I O Rates for Disks and Viewing Transfer Rates for Disks The Attribute column indicates the priority of each port Prio indicates a prioritized port Non Prio indicates a non prioritized port The Threshold columns let you specify the threshold for the I O rate and the transfer rate for each prioritized port Either the LOPS or MB s column in the list is activated depending on the selection from the list above The LOPS column lets you specify the threshold for I O rates The MB s column lets you specify the threshold for transfer rates To specify a threshold double click a cell to display the cursor in the cell If you specify a value in either of the LOPS or MB s column the other column is deactivated You can specify thresholds for I O rates and transfer rates all together for different prioritized ports Even if you use the different type of rate for the threshold as that used for the upper limit values the threshold control can work for all the ports The Upper columns let you specify the upper limit on the I O rate and the transfer rate for each non prioritized port Either the TOPS or MB s column in
137. e Management window When statistics are exported in a ZIP file the file name will be LU_dat ZIP For details on the statistics exported by this operand see Using the Export Tool 7 45 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Table 7 7 When you specify variables port name host group id you can narrow the range of LU paths whose monitoring data are to be exported port name is a port name host group id is the ID of a host group that is a host storage domain The host group host storage domain ID must be a hexadecimal numeral The colon indicates a range For example CL1 C 01 CL1 c 03 indicates the range from the host group 01 of the CL1 C port to the host group 03 of the CL1 C port Ensure that the value on the left of the colon is smaller than the value on the right of the colon The smallest port name value is CL1 A and the largest port name value is CL4 r The following formula illustrates which port name value is smaller than which port name value CL1 A lt CL1 B lt lt CL2 A lt CL2 B lt lt CL3 a lt CL3 b lt lt CL4 a lt lt CL4 r For example you can specify LU cL1 c 01 CL2 A 01 but you cannot specify LU CL2 A 01 CL1 c 01 Also you can specify LU CL1 C 01 CL1 c 03 but you cannot specify LU cL1 Cc 03 CL1 C 01 If port name host group id is not specified the monitoring data of all the LU paths will be exported PPCGA SPM group name SP
138. e Navigator program which is a Java application program will be downloaded to the Web client computer You can then perform Performance Monitor operations in the Storage Navigator window For a summary of Web client computer requirements see the Storage Navigator User s Guide Performance Manager operations require the Storage Navigator program which is downloaded to your WWW client computer Your WWW client computer must be connected to the USP V VM storage system via LAN Browser settings are also required on your WWW client computer For details see the Storage Navigator User s Guide A Caution Performance Manager operations Performance Monitor and Server Priority Manager involve the collection of large amounts of monitoring data This requires considerable Web client computer memory It is therefore recommended that you exit the Storage Navigator program to release system memory when not conducting Performance Manager operations For details on how to install Performance Monitor and Server Priority Manager see the Storage Navigator User s Guide 3 2 Preparing for Performance Manager Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Storage Partition Administrators Limitations If your user ID is of the storage partition administrator type you can use only Performance Monitor and the Export Tool among Performance Manager programs Server Priority Manager is not available
139. e Port Tab Operations Using the Performance Manager GUI Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide i Server Priority Manager Current Control Status No Control Control List fall Port ww OU a Pot aenopsy Peakjopsi Atribute iors mes ioPs mes CL1 B E0 215 Prio z tn CL3 B DC Non Prio z CL5 B DA Non Prio CL B D9 Non Prio cease Po I Delete ports if CHA is removed _ Apply Reset Initiaize Close Figure 4 14 Port Tab in the Server Priority Manager Window The Port tab displays the following e Current Control Status can display either Port Control or WWN Control If Port Control is displayed the system is controlled by the upper limits and threshold specified in the Port tab If WWN Control is displayed the system is controlled by the upper limits and threshold specified in the WWN tab If No Control is displayed the system performance is not controlled by Server Priority Manager Tip If WWN Control is displayed when the Port tab is active click Apply to switch control so that Port Control is displayed Tip To return the control status to No Control specify Prio for attributes of all the ports and then click Apply e The list near the upper right corner of the Server Priority Manager window allows you to narrow ports in the list If All is selected all the ports appear in the l
140. e box and then select OK You can use up to 16 characters for an SPM name 6 In the Server Priority Manager window click Apply The settings in the window are applied to the storage system 6 26 Server Priority Manager Operation Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Figure 6 10 Change WWN and SPM Name Window Replacing a Host Bus Adapter If a host bus adapter fails you will need to replace the adapter with a new one After you finish replacement you will need to delete the old host bus adapter from the Server Priority Manager window and then register the new host bus adapter When you add a new host bus adapter rather than replacing an old one the WWN of the added host bus adapter is automatically displayed below Non Monitor for the connected port in the list Follow the procedure below to remove the old adapter and register a new adapter quickly and easily To register a new host bus adapter after replacement 1 Start Server Priority Manager The Server Priority Manager window is displayed 2 Select the WWN tab 3 In the upper left tree select the old host bus adapter B from below Monitor and then right click the selection From the pop up menu select Change WWN and SPM Name The Change WWN and SPM Name window is displayed Enter the WWN of the new host bus adapter in the WWN combo box You can select the WWN of the newly connected host bus adapter in
141. e entry i e Usage e The tree lists items such as parity groups channel adapters CHAs The tree can display the following items Icon displayed below the Parity Group or External Group folder ei a parity group or an external volume group Icons displayed below the CHA folder E CHA 2T Serial 8Port an ESCON channel adapter E CHA 1G Mfibre 4Port a FICON channel adapter CHA 1E Fibre 16Port a Fibre Channel adapter in Standard mode CHA 1E Fibre 16Part a Fibre Channel adapter in High Speed mode E CHA 1 E Fibre 16Part a Fibre Channel adapter in I nitiator External MIX mode The channel adapter number and number of ports that displayed on the right side of the icon are examples Icons displayed below the DKA folder JE a disk processor DKP a data recovery and reconstruction processor DRR Icon displayed below the Access Path Usage folder W an access path No icon is displayed below the Cache folder The numbers on the right of icons displayed below the Parity Group or External Group folder are IDs of parity groups or external volume groups The letter E at the beginning of an ID indicates that the group is an external volume group A volume existing in an external storage system and mapped to a volume in the USP V VM storage system by using Universal Volume Manager is called an external volume An external volume group is a quantity of external volumes grouped together for managing and th
142. e graph and then click Apply To view I O rates for a certain period of time in the last 24 hours you must select the From option change the date and time in the From and To boxes and then click Apply Use the arrow button and the sliders when you change the date and time in the From and To boxes For details on the Real Time option and the From option see Viewing Port Workload Statistics 5 In the tree double click a port for example or and then select a host group 2 The LUN icon 3 appears 6 Select LUN The list on the right displays a list of LU paths and I O rates Performance Monitor Operations 5 41 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 7 If you want to display a graph to find out how the I O rate has been changed take the following steps a In the list select one or more LUNs b Click Draw A Note If the graph does not display changes in the I O rate for example if the line in the graph runs vertically it is recommended that you change the value in the Chart Y Axis Rate list For example if the largest value in the list is 200 and the value in Chart Y Axis Rate is 100 you should select a value larger than 200 from Chart Y Axis Rate 8 If you want to view more detailed information in the graph select the Detail check box at the lower right of the list The graph contents change as described in Table 4 3 Note If more than
143. e has been changed take the following steps a In the list select one or more LUNs b Click Draw Note If the graph does not display changes in the transfer rate for l l example if the line in the graph runs vertically it is recommended that you change the value in the Chart Y Axis Rate list For example if the largest value in the list is 200 and the value in Chart Y Axis Rate is 100 you should select a value larger than 200 from Chart Y Axis Rate Performance Monitor Operations 5 43 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 8 If you want to view more detailed information in the graph select the Detail check box at the lower right of the list The graph contents change as described in Table 4 3 Note If more than one row is selected in the list you cannot select the Detail check box Emulation Current MBis Ave MBis CTotal Max MB s Response Time ms 0000 00 00 00 OPEN V 7 1 500 2 000 2 000 0001 00 00 01 OPEN V 7 1 549 2 049 2050 0002 00 00 02 OPEN V 7 1 598 2 098 2 100 Figure 5 18 Transfer Rates for LU Paths Note If the CU is not the monitoring target all items in the row are displayed in italics If you want to monitor those items specify the CU as the monitoring target by using the Monitoring Option window The list displays the following e KA When the green checkmark icon
144. e host bus adapter and the selected port shown in Per Port Sum of the traffic between the host bus adapter and all the ports connected to the host bus adapter shown in WWN Total Notes A The traffic statistics only about the host bus adapters below Monitor appear in the list The WWN Total traffic statistics will also be displayed in the list when you click an icon in the lower left tree If you click the Subsystem folder in the lower left tree the sum of the traffic of the host bus adapters registered on each SPM group is displayed For details on SPM groups see Grouping Host Bus Adapters 6 Analyze the information in the list and then determine upper limit values that should be applied to non prioritized WWNs If necessary determine threshold values that should be applied to prioritized WWNs For details see If Many to Many Connections Link HBAs and Ports Setting Priority for Host Bus Adapters If many to many connection is established between host bus adapters HBAs and ports you need to define the priority of WWNs measure traffic between each HBA and the port that the HBA is connected to and analyze the traffics The host bus adapters HBAs are divided into two types Prioritized WWNs and non prioritized WWNs Prioritized WWNs are the host bus adapters that are used for the high priority processing and non prioritized WWNs are the host bus adapters that are used for the low priority processing Specify a host
145. e is 100 you should select a value larger than 200 from Chart Y Axis Rate A Note If the WWN of a host bus adapter HBA is displayed in red in the tree the host bus adapter is connected to two or more ports but the traffic between the HBA and some of the ports are not monitored by Performance Monitor When many to many connections are established between HBAs and ports you should make sure that all the traffic between HBAs and ports is monitored For details on the measures when a WWN is displayed in red see Monitoring All Traffic between HBAs and Ports 1 O rate at host bus adapters Displayed when an SPM group or Not Grouped is selected A wn SPM Name Current iops Ave loPs Total Max 10P5 Response Time ms Attribute ooooooo0000000001 SPM 1 65 70 2 050 Non Prio goooooo000000009 SPM 9 465 470 2 450 Non Prio oooooo0000000011 SPM 17 865 870 2 850 Non Prio oooooo0000000019 SPM 25 1265 1270 3 250 Non Prio 5 46 Performance Monitor Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 1 O rate at each SPM group Displayed when the Subsystem folder is selected 4 Group Current lops Ave clops cTotan Max Ta Response Time ms Attribute group 1 65 2 050 Non Prio _group 2 115 A __2 100 Nan Pria group 3 165 170 2 150 Non Prio group 4 215 220 2 200 Non Prio Not Grouped gt 15 20 zooo
146. e system ports The traffic statistics reveals the number of I O requests that have been made from hosts and also reveals the size of data transferred between hosts and storage system ports For details on how to view traffic statistics about HBAs see Viewing HBA Information Statistics can be stored for time periods of 8 hours or up to 15 days and changes depending on the collecting interval specified Statistics that have expired are erased from the storage system For details on the storing period of statistics see Understanding Statistical Storage Ranges Overview of Server Priority Manager When Server Priority Manager is used I O operations from hosts requiring high performance are given higher priority over I O operations from other hosts Performance of High Priority Hosts In an SAN storage area network environment the storage system is usually connected with a lot of host servers Some types of the host servers often require high performance but others might not require as high performance For example production servers usually require high performance Production servers which include database servers and application servers are used to perform daily tasks of business organizations If production servers suffer lowered performance productivity in business activities is likely to be damaged For this reason the system administrator needs to maintain performance of production servers at a higher level Computer systems
147. ect the Subsystem folder or a Box folder The list on the right displays the transfer rate for each group Performance Monitor Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Notes e If you select the Subsystem folder the list displays all parity groups and external volume groups To narrow the number of groups to be displayed in the list select a Box folder For example if you select the Box 1 folder the list displays only the parity groups whose IDs start with 1 e To view the transfer rate for each volume select the parity group or external volume group that contains the volumes The list on the right displays the transfer rate for each volume in the selected group The displayed statistics are the average and the maximum transfer rates for the period specified in the From and To boxes Notes The list displays up to a maximum of 4 096 resources at a time If the number of resources exceeds 4 096 use Previous and Next to display the remaining resources If you change the date and time in the From and To boxes and then click Apply Performance Monitor recalculates usage rates and updates information in the list To change the date and time in From and To boxes use the arrow buttons and the sliders for details see LDEV Tab of the Performance Monitor Window 5 If you want to display a graph to find out how the transfer rate has been changed take the following
148. ed to all registered users Hitachi the Hitachi logo and Hitachi Data Systems are registered trademarks and service marks of Hitachi Ltd The Hitachi Data Systems logo is a trademark of Hitachi Ltd Dynamic Provisioning ShadowImage and TrueCopy are registered trademarks or trademarks of Hitachi Data Systems All other brand or product names are or may be trademarks or service marks of and are used to identify products or services of their respective owners Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Contents E E test es he cele ecb A E A E A E A T vii Overview of Performance Manager ccccssccsecceecaeeeeeaseeaeeeseeaseeaeeeness 1 1 About Performance Manager Operations cccccesccsseaseessecseeaeeeueeeeeeaes 2 1 Understanding Statistical Storage Ranges ceccceeeeeeeeeeeeeeeeeaeeeeeeaeeeeaaes 2 3 Parity Group Usage Statistics icirciieiicavienifarestteniideterdelaniamercosevenaieciva teins 2 4 Volume Usage Statistics ciqciausetinca vais cetevinativscraiel isaeisuacusaianiguedtiiclavewuiuaeinn 2 5 External Volume Group Usage Statistics c 2 5 External Volume Usage Statistics coi vein vanscectians en roveievees laciaietadectiaaectarcouaaees 2 6 Channel Processor Usage Statistics ccccdicssdasvncdiseretsectecenderccoeendenidis eared 2 6 Disk Processor Usage Statistics jiniviceeisdperadeiearsrersil rmanseti due renant ernennt 2 6 DRR Processor Usage Stali
149. ee Monitoring Ports and Monitoring LU Paths e The SPM button starts the Server Priority Manager program product if that program has been enabled For details of Server Priority Manager see Overview of Server Priority Manager and Server Priority Manager Operation Using the Performance Manager GUI 4 17 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide The SPM button is deactivated in real time mode To start Server Priority Manager activate the From and To boxes and release Performance Monitor from real time mode e If the Current Control label displays Port Control the system is controlled by the upper limits and the threshold specified in the Port tab of the Server Priority Manager window If the Current Control label displays WWN Control the system is controlled by the upper limits and the threshold specified in the WWN tab of the Server Priority Manager window If the Current Control label displays No Control the system performance is not controlled by Server Priority Manager e The Draw button displays a line graph illustrating changes in the I O rate or the transfer rate The graph can display up to eight lines simultaneously e The line graph illustrates changes in the I O rate or the transfer rate The vertical axis indicates the I O rate or the transfer rate The horizontal axis indicates dates and or times When the graph displays I O rates or the transfer rates for a port control
150. eeeeeseeeaeeeaeeseeeaenees 6 11 Analyzing Traffic Statistics ccc 6 13 Setting Priority for Ports on the Storage System cccececseseesseeeaeeeeeeeeneees 6 14 Setting Upper Limit Values to Traffic at Non prioritized Ports 6 15 iv Contents Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide SOLIMG a Mikes MO ldemarsterctissnetinseveteiad mete eutaicetnieilarehithetarelamieiwrinse 6 16 Monitoring All Traffic between HBAS and Ports cccccecseeeseeeeeeeeeeeeeeeeeees 6 18 Analyzing Traffic StatiStiCS ssandete recstiieth ieetevhinidehetibivettanes a Eea 6 21 Setting Priority for Host BUS AdaptersS sssssssssrierreerrerrersreerersrerrresrrsrre 6 22 Setting Upper Limit Values for Non Prioritized WWNS eene 6 24 Setting aT WES NGOs dei ciaccaseantuceniasdtaudecaiaeesabudedad events odaud uidivteemevadebenmeias 6 25 Changing the SPM Name of a Host Bus Adapter cccccccceesesseseseeeeseeeees 6 26 Replacing a Host Bus Adapter ccccccccssecesseceesesseeeeeeeesaeeeeeseeneeeaeetanees 6 27 Grouping Host BUS AGADCENS cc icciciersicincrrasetianatenaiiiien ed iaeieiiartniei 6 28 ina mE EPOE TOO nenesinin EEE 7 1 Requirements for Using the Export Tool ccccccccccsseceeseesseeeeeeeeueeeeneeeeeeeees 7 16 Installing the Export Tool on a Windows COMPUtel cccceeeeeeeeeeeeeeeeeeneees 7 17 Installing the Export Tool on a UNIX Computer ssssssesseseesreesrrsrrrrrrsrrerre 7 18 Pr
151. empted to obtain statistics when a heavy workload is imposed on the disk array There is no volume in a parity group Just after the CUs to be monitored were added the Export Tool failed to save files that contain monitoring data for all volumes or journal volumes used by remote copy software i e TrueCopy TrueCopy for z OS Universal Replicator or Universal Replicator for z OS For details about the files see Table 7 10 Table 7 14 and Table 7 15 If Disable is selected to stop monitoring in Monitoring Switch on the Monitoring Options window and longrange is specified as the gathering interval the monitoring data for the period when Performance Monitor stops monitoring is 1 If you added the CU during monitoring specified longrange as the gathering interval and collected monitoring data the value 1 is displayed as the monitoring data before the CU was added The monitoring data in the CSV file includes 3 The value 3 indicates that Performance Monitor failed to obtain monitoring data for the following reason If IOPS is 0 zero the Response Time that is included in the monitoring data for LUs LDEVs ports WWNs or external volumes is 3 Because IOPS is 0 zero the average response time becomes invalid The monitoring data in the CSV file includes 4 The value 4 indicates that Performance Monitor failed to obtain monitoring data for the following reason If the period fo
152. eparing a Command Pu iw eciseceisiccdierrvrsaccdicedrnirinicermbihencdevebieiacciess 7 19 Preparing a Bat Pile dvccsia dav sieyiaciesareoesataisn i yunseuyurvuun dediaversemcdiserersuatiuens 7 22 Running the Export VOOM iicvsivsctecsceeietetdunerarnivitiacrrenvidtinereentiiuerrebediieisusyt 7 24 Command Syntax sae tye ores veer varesse inna NEEE ARE AUE ANE EAEE A 7 30 SVDIA SUbt MMa N iiir eirean AE AEAEE EANTA A 7 32 retry Subcommand erenn a a e a eee 7 33 login Subcommand s ssssssssssrssrisrrrsrrtrrt artt rrtt rtta r trna EEEE EESEEEEE EErEE EEEE EErEE ni 7 34 Show SubcomMaNd arenei ienie A ein n AREA E K Ea 7 35 group SubcomMmmMand ssssssssssssstrrtsttttttt ttrt t rE a EE EAEEEEREEEEEEEEEEEEEE EEEE EEEE EEEE 7 37 short range Subcommand s ssssssssssrssrisritsrtsrrt artt trtt rtta r artta tarren rE SEEE rrr Ent 7 54 long range Subcommand xe cesicieisctdawiancieut otbaansexsudiidianncednian tate deialoiacecdven 7 58 outpath SubcomMmmMmand tiicctwcticniciine viet diesereessitusenriasbiveiwereaetasietalacoiersebs 7 62 option SUB COMIM ANG sss tesiaed ce sereanacausdavavsdretstaasbertuvediins et vsetaancaad sewers 7 63 apply Subcommand ede ceatce aera erteces ata vinerevientisaran eset eeeiwidekieaetavaee ate 7 64 S t SUD COMMANG assirian a vienna averse cienenayan 7 64 help Subt MMa d s arrese iaai tia a a aa aN 7 66 Java Command for Exporting Data In FileS ics iccssswstescucosMevovwrsMaanstrdarxrearaan 7 66 Ue aie erate here
153. er 5 Select the desired parity group The list on the right displays usage statistics about volumes in the specified parity group The displayed statistics are the average and the maximum usage rates for the period specified in the From and To boxes Performance Monitor Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Notes The list displays up to a maximum of 4 096 resources at a time If the number of resources exceeds 4 096 use Previous and Next to display the remaining resources If you change the date and time in the From and To boxes and then click Apply Performance Monitor recalculates usage rates and updates information in the list To change the date and time in From and To boxes use the arrow buttons and the sliders for details see Performance Management Window Physical Tab If an exclamation mark is displayed before a usage rate the reported volume usage rate is likely to be inaccurate because the configuration has changed e g volumes have been moved by Volume Migration or ShadowImage or formatted by Virtual LVI or Open Volume Management For information on using Volume Migration contact the Hitachi Data Systems Support Center see Calling the Hitachi Data Systems Support Center If a plus mark is displayed before a usage rate 0 such as o the usage rate is not completely O but less than 1 6 To display a graph illustrating changes in usage r
154. er s Guide MK 96RD618 e Hitachi Storage Navigator Messages MK 96RD613 e Hitachi Storage Navigator User s Guide MK 96RD621 e Hitachi TrueCopy for IBM z OS User s Guide MK 96RD623 e Hitachi TrueCopy User s Guide MK 96RD622 e Hitachi Universal Replicator for IBM z OS User s Guide MK 96RD625 e Hitachi Universal Replicator User s Guide MK 96RD624 e Hitachi Virtual Partition Manager User s Guide MK 96RD629 Document Conventions The terms Universal Storage Platform V and Universal Storage Platform VM refer to all models of the Hitachi Universal Storage Platform V and VM storage systems unless otherwise noted This document uses the following typographic conventions Bold Indicates text on a window other than the window title including menus menu options buttons fields and labels Example Click OK Italic Indicates a variable which is a placeholder for actual text provided by the user or system Example copy source file target file Note Angled brackets lt gt are also used to indicate variables screen code Indicates text that is displayed on screen or entered by the user Example pairdisplay g oradb lt gt angled brackets Indicates a variable which is a placeholder for actual text provided by the user or system Example pairdisplay g lt group gt Note Italic font is also used to indicate variables square brackets Indicates optional values Example a b
155. erformance Management window lets you view a line graph illustrating changes in traffic Figure 6 3 is a graph illustrating changes in the I O rate for the three ports 1A 1C and 2A According to the graph the I O rate for 1A and 1C was approximately 400 IO s at first The I O rate for 2A was approximately 100 IO s at first However as the I O rate for 2A gradually increased from 100 IO s to 200 IO s the I O rate for 1A and 1C decreased from 400 IO s to 200 IO s This fact indicates that the high priority production servers have suffered lowered performance If you were the network administrator you probably would like to maintain the I O rate for prioritized ports 1A and 1C at 400 IO s To maintain the I O rate at 400 IO s you must set an upper limit to the I O rate for the port 2A For detailed information about monitoring traffic see Setting Priority for Ports on the Storage System and Analyzing Traffic Statistics I O rate IO s 400 300 prioritized ports 1A and1C 200 iatera _ F iis non prioritized port 100 penes ma 2A time Figure 6 3 Traffic at Ports 6 4 Server Priority Manager Operation Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 3 Set an upper limit to traffic at the non prioritized port To prevent decline in I O rates at prioritized ports you set upper limit values to the I O rate for non prioritized ports When you set an upper limit for the first time it is
156. erformance Manager User s Guide WWN Tab of the Server Priority Manager Window The WWN tab lets you set the limit on the performance of non prioritized WWNs and set the threshold on the performance of prioritized WWNs For operations in this tab see WWN Tab Operations and Grouping Host Bus Adapters i Server Priority Manager Current Control Status No Control Port WAN anchors co Per Port lOPS 0000000002000001 Ave 0000000002000002 0000000002000001 group 5 0000000002000003 0000000002000002 group 6 0000000002000004 0000000002000003 group 7 0000000002000005 0000000002000004 group 8 0000000002000008 0000000002000005 z 0000000002000006 All Thresholds 2 a I Delete ports if CHA is removed Apply Reset Initiaize Close Figure 4 15 WWN Tab in the Server Priority Manager Window The WWN tab displays the following e Current Control Status can display either Port Control or WWN Control If Port Control is displayed the system is controlled by the upper limits and threshold specified in the Port tab If WWN Control is displayed the system is controlled by the upper limits and threshold specified in the WWN tab If No Control is displayed the system performance is not controlled by Server Priority Manager Tip If Port Control is displayed when the WWN tab is active click Apply to switch control so that WWN Control is displayed Tip To retur
157. erver Priority Manager on ports in channel adapters that have been removed When a channel adapter is removed the port and its settings are removed from the Server Priority Manager window automatically but they remain in SVP This may cause that the old setting for Server Priority Manager to be applied to a different channel adapter than the one newly installed on the same location The Delete ports if CHA is removed check box is available only when the following Server Priority Manager settings on ports in a removed channel adapter remains on SVP The setting of prioritized ports or non prioritized ports The setting of prioritized WWNs or non prioritized WWNs e The Apply button applies the settings in this window to the storage system e The Reset button restores the last applied settings in the window When you click this button all the changes displayed with the blue text in the window are canceled e The Initialize button changes the settings in this window as explained below and then applies the resulting settings to the storage system All the ports become prioritized ports The threshold value for all the ports becomes O zero The window will display a hyphen instead of 0 zero If the All Thresholds checkbox is checked the check mark disappears e The Close button closes the Server Priority Manager window Using the Performance Manager GUI 4 33 Hitachi Universal Storage Platform V VM Hitachi P
158. es 858 547 4526 Troubleshooting Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide ACP CCI CHA CHP CLPR CSW CU CV DASD DFW DKA DKCMAIN DKP DRR ESCON GB HBA HDD JRE KB LAN LDEV LDKC LUN LUSE MB NSC NVS PB Acronyms and Abbreviations array control processor command control interface channel adapter channel processor cache logical partition cache switch control unit logical control unit customized volume direct access storage device DASD fast write disk adapter Disk Controller Main disk processor data recovery and reconstruction Enterprise System Connection IBM trademark for optical channels gigabyte see Convention for Storage Capacity Values host bus adapter hard disk drive Java Runtime Environment kilobyte see Convention for Storage Capacity Values local area network logical device logical disk controller logical unit logical unit number LU size expansion megabyte see Convention for Storage Capacity Values network storage controller nonvolatile storage petabyte see Convention for Storage Capacity Values Acronyms and Abbreviations Acronyms 1 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide PC personal computer PDEV physical device PSUE pair suspended error PSUS pair suspended split P VOL primary volume RAID redundant array of independent disks SIM
159. es are issued to the standard output for example the command prompt and the log file Table 8 2 lists the Export Tool messages and recommended actions against errors Troubleshooting Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Table 8 2 Messages Issued by the Export Tool Possible Problems Probable Causes and Recommended Action Connection to the server has not been established Connection to the server has not been established Use the login subcommand Execution stops Execution stops Remove errors Illegal character character An illegal character is used Use legal characters Invalid length token The length is invalid Specify a value that has a correct length Invalid range range The specified range is invalid Specify the correct range Invalid value value The specified value is invalid Specify a correct value Login failed 1 An attempt to log into the SVP failed Probable causes are 2 An incorrect operand is used for the svpip subcommand 3 An incorrect operand is used for the login subcommand 4 The specified user ID is used by another person and the person is being logged in 5 Two users are currently displaying the Performance Management window Two users are currently executing the Export Tool A Note If the error cause is step 4 or 5 above Do one of the following ask one of the users to display another w
160. etails see Performance Management Window Physical Tab 5 To display a graph to find out how the I O rate has been changed take the following steps a In the list select the parity group s the external volume groups or the volume s that you want b Use the list at the right side of the list to select the type of information that you want to view in the graph For details on the information that can be displayed see Table 4 1 c Click Draw A graph appears below the list The horizontal axis indicates the time A Caution If the graph does not display changes in the I O rate for example if the line in the graph runs vertically it is recommended that you change the value in the Chart Y Axis Rate list For example if the largest value in the list is 200 and the value in Chart Y Axis Rate is 100 you should select a value larger than 200 from Chart Y Axis Rate d To view more detailed information in the graph use the list to the right of the list to select the type of information that you want Next select the Detail check box at the lower right of the list and then click Draw The detailed graph contents change as described in_Table 4 2 A Caution If more than one parity group or volume is selected in the list you cannot select the Detail check box to view detailed information I O rate for parity groups and external volume groups When the Subsystem folder is selected IO Rate lOPS
161. etails on the system configuration of one to one connections between host bus adapters and ports see If One to One Connections Link HBAs and Ports This section explains operation procedures you can perform for ports and the entire storage system Analyzing Traffic Statistics The traffic statistics reveal the number of I Os that have been made via ports The traffic statistics also reveal the amount of data that have been transferred via ports You must analyze the traffic statistics to determine upper limit values that should be applied to I O rates or transfer rates for non prioritized ports The following is the procedure for using the Server Priority Manager window to analyze traffic statistics You can also use the Performance Management window to analyze traffic statistics Performance Monitor can display a line graph that indicates changes in traffic For details see Viewing I O Rates for Ports and Viewing Transfer Rates for Ports To analyze traffic statistics 1 Start Server Priority Manager The Server Priority Manager window is displayed 2 Select the Port tab 3 Select All from the list at the top right corner of the window 4 Do one of the following Server Priority Manager Operation 6 13 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide To analyze I O rates select 1OPS from the list at the upper left corner of the list To analyze transfer rates select MB s from the list at the
162. f information that will be displayed in the graph The list to specify the item to be displayed is shown below A Loev emulation 10 Ratedors 00 02 05 1 00 02 06 OPEN V 2 00 02 07 3 00 03 00 OPEN 4 00 03 01 OPEN 5 00 03 02 OPEN V 6 F 00 03 03 OPEN Y 7 Ew 4 gt Figure 4 6 Selecting an I tem to be Displayed in the Graph LDEV Tab The items that can be selected in the list change depending on the type of statistics you selected Some items can be selected only when you select I O rate IOPS or the transfer rate MB s The items you can select in the list and the corresponding type of statistics are shown in Table 4 1 Table 4 1 Items You Can Select in the List and the Types of Statistics LDEV Tab Item selected in the Meaning 1 0 transfer list rate rate 10 Rate The I O rate The number of I O accesses per v second Read The number of read accesses per second v Write The number of write accesses per second v Read Hit The read hit ratio v Write Hit The write hit ratio v Back Trans Backend transfer The number of data transfers v between the cache memory and the hard disk drive Trans The transfer rate The size of data transferred per v second v Can be selected blank Cannot be selected Using the Performance Manager GUI 4 13 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide When you draw a g
163. f there is no volume in a parity group hyphens are displayed in place of performance statistics on a parity group e If the CU is not the monitoring target all items in the row are displayed in italics If you want to monitor those items specify the CU as the monitoring target by using the Monitoring Option window The list displays the following items e A When the green checkmark icon is displayed to the left of a parity group the graph illustrates changes in usage rate for the parity group e PG This column indicates IDs of parity groups e RAID This column indicates the RAID level RAID 1 RAID 5 or RAID 6 e Drive Type This column indicates types of HDDs hard disk drives e Usage The Ave Total column displays the average usage rate in the specified period The ig column displays the maximum usage rate in the specified period e CLPR This column indicates numbers and names of cache logical partitions CLPRs corresponding to each parity group in the format CLPR number CLPR name For details on CLPRs see the Virtual Partition Manager User s Guide Performance Monitor Operations 5 9 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Viewing Usage Statistics on Volumes in Parity Groups 5 10 Performance Monitor monitors volumes in parity groups and lets you view the average and the maximum usage rate in a specified period Performance Monitor also displays a graph
164. formance Manager User s Guide 8 3 Possible Problems Probable Causes and Recommended Action An error occurs and the If the error message ID is 0001 4011 the user is forcibly logged off processing stops and the processing stops because the Export Tool did not issue any request to the SVP The computer running the Export Tool could be slow Confirm whether you are using a computer that is not supported or whether the computer is slow Run the Export Tool again If the error persists contact the maintenance personnel If the error message ID is 0002 5510 probable error causes and solutions are An internal processing is being performed in the disk array Alternatively another user is changing configurations Wait for a while and then run the Export Tool again Maintenance operations are being performed on the disk array Wait until the maintenance operations finish and then run the Export Tool again If the error message ID is none of the above see Table 8 2 The monitoring data in the For details on invalid monitoring data see Causes of Invalid CSV file includes 1 Monitoring Data When the Export Tool It might be unsuitable combination of DKCMAIN SVP program version terminated abnormally due and Export Tool version Confirm whether versions of these programs to error the row of Check are correct License is shown as UnmarshalException in the log file When a CSV file is opened To display a CS
165. formation on using Volume Migration contact the Hitachi Data Systems Support Center see Calling the Hitachi Data Systems Support Center When considering migrating a volume from one parity group to another take the following steps 1 Refer to Table 2 1 to determine the parity groups from which you want to migrate volumes 2 6 About Performance Manager Options Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide The information in the table does not apply to the USP VM storage system because USP VM has only one pair of DKA If you are using USP VM and you want to know usage rates of DKPs check the usage rate of each parity group For details on how to view usage statistics about disk adapters and disk processors see Viewing Usage Statistics on Disk Processors 2 Check the usage rate of each parity group to find parity groups whose usage rate is lower than the parity groups that you want to migrate It is recommended you migrate volumes from higher usage parity groups to lower usage parity groups Table 2 1 Migrating Volumes in USP V Storage Systems When Disk Processor Usage Rate is High Disk Adapter Migrating Volumes in USP V Storage System DKA1AU DKP40 1AU Migrate volumes from parity groups with the following DKP41 1AU IDs to another parity group 1 X DKP42 1A x 3 X DKP43 1AU 11 X 1 DKA 1BU DKP50 1BU Migrate volumes from parity groups with the following DKP51
166. g and Monitoring Options Window Note The display of the LDEV tab Port LUN tab and WWN tab is fixed to in short range 8 2 Although Monitoring Switch is set to Enable the monitoring data is not updated Because the time setting of SVP is changed the monitoring data might not be updated Set Monitoring Switch to Disable and set Monitoring Switch to Enable again Troubleshooting Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Troubleshooting Server Priority Manager When the WWN of a host bus adapter is displayed in red in the lower left tree of the WWN tab the host bus adapter HBA whose WWN is displayed in red is connected to two or more ports but the traffic between the HBA and some of the ports are not monitored by Performance Monitor When many to many connections are established between HBAs and ports make sure that all the traffic between HBAs and ports is monitored For details on the measures see Monitoring All Traffic between HBAs and Ports Troubleshooting the Export Tool Table 8 1 explains possible problems with the Export Tool and probable solutions to the problems Table 8 1 Troubleshooting the Export Tool Possible Problems Probable Causes and Recommended Action You cannot run the batch file The path to the Java Virtual Machine Java exe might not be defined in the PATH environment variable If this is true you must add that path to the PATH enviro
167. g and drop the desired WWNs from Non Monitor to Monitor When you drop a WWN to Monitor the Add WWN window is displayed in which you can specify the SPM name only Server Priority Manager Operation 6 19 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide jaca ww won 0000000000000007 x SPM Name SPM OK Cancel Figure 6 9 Add WWN Window If you add a port or host bus adapter to the storage system after the settings above the traffics about connections to the newly added port or host bus adapter will not be monitored In this case follow the procedure above again to make all the traffics between host bus adapters and ports monitored Up to 32 host bus adapters WWNs can be monitored for one port If more than 32 host bus adapters are connected to one port the traffics about some host bus adapters will be obliged to be excluded from the monitoring target Consider the intended use of each host and move the host bus adapters which you think not necessary to be monitored to Non Monitor by the following steps To exclude traffic between a host bus adapter and a port from the monitoring target 1 Start Server Priority Manager and ensure that the WWN tab is displayed 2 Select All from the list at the top right corner of the window 3 In the upper left tree double click a port to which more than 32 host bus adapters are connected 4 Double click Monitor below the specified port 5 R
168. g id parity group id V VOL group id exg id A LDEVA parity group id V VOL group id exg id parity group id V VOL group id exg id A PortA port name port name A PortWWNA port name port name A LUA port name host group id port name host group id A PPCGA SPM group name SPM group name A PPCGWWNA SPM group name SPM group name A RemoteCopy A RCLUA port name host group id port name host group id A RCLDEVA CU id CU id A RCCLPR UniversalReplicatorA URJ NLA J NL group id J NL group id A URLUA port name host group id port name host group id A URLDEVA CU id CU id A t Description The group subcommand specifies the type of monitoring data that you want to export This command uses an operand such as PhyPG and PhyLDEV above to specify a type of monitoring data Table 7 23 shows the monitoring data that can be saved into files by each operand and the saved ZIP files For details on the monitoring data saved in these files refer to the tables indicated in the See column Table 7 23 Operands of the group Subcommand and Saved Monitoring Data Operand Window of Monitoring Data Saved in Saved ZIP File Performance the File Monitor PhyPG Physical tab in Usage statistics about parity PhyPG_dat ZIP 1 Table 7 2 the groups Performance Pa Management Usage statistics about PhyLDEV_dat ZIP volumes 1 Using the Export Tool
169. g time for collecting monitoring data if yyyyMMddhhmm is omitted ddhhmm Subtracts time ddhhmm from yyyyMMddhhmm if yyyyMMddhhmm is specified For example 200601120000 010130 indicates Jan 10 2006 22 30 Subtracts time from the ending time for collecting monitoring data if yyyyMMddhhmm is omitted Ensure that mm is 00 15 30 or 45 If you do not specify mm in this way the value on the left of the colon will be rounded down to one of the four values Also the value on the right of the colon will be rounded up to one of the four values For example if you specify 200601010013 200601010048 the specified value is regarded as 200601010000 200601010100 Using the Export Tool 7 59 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Examples The examples below assume that e the starting time for collecting monitoring data is Jan 1 2006 00 00 e the ending time for collecting monitoring data is Jan 2 2006 00 00 long range 200601010930 200601011730 The Export Tool saves monitoring data within the 17 30 long range 200601010930 The Export Tool saves monitoring data within the Jan 2 00 00 longrange 200601011730 The Export Tool saves monitoring data within the 17 30 long range 000015 The Export Tool saves monitoring data within the Jan 2 00 00 long range 000015 The Export Tool saves monitoring data within the Jan 2 00 00 longrange 000015 The Exp
170. group id is specified the monitoring data of all the volumes including external volumes and V VOL groups will be exported PortA port name port name A Use this operand when you want to export port statistics which are displayed in the Port LUN tab of the Performance Management window When statistics are exported in a ZIP file the file name will be Port_dat ZIP For details on the statistics exported by this operand see Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Table 7 5 When you specify variables port name you can narrow the range of ports whose monitoring data are to be exported port name is a port name The colon indicates a range For example cL3 a CcL3 c indicates ports from CL3 a to CL3 c Ensure that the port name value on the left of the colon is smaller than the port name value on the right of the colon The smallest port name value is CL1 A and the largest port name value is CL4 r The following formula illustrates which value is smaller than which value CL1 A lt CL1 B lt lt CL2 A lt CL2 B lt lt CL3 a lt CL3 b lt lt CL4 a lt lt CL4 r For example you can specify Port CL1 C CL2 A but you cannot specify Port CL2 A CL1 C Also you can specify Port CL3 a CL3 c but you cannot specify Port CL3 c CL3 a If port name is not specified the monitoring data of all the ports will be exported PortWWNA
171. groups begin with the letter X Therefore if a folder number ends with the letter V or X such as Box V1 or Box X1 it contains V VOL groups For example if you double click the Box V1 folder the tree displays V1 1 which is a V VOL group ID beginning with V1 If you double click the Box V2 folder the tree displays V2 1 which is a V VOL group ID beginning with V2 The V VOL groups do not have parity information and no RAID level appears at the right of IDs Unlike a parity group a V VOL group is a group of virtual volumes and does not contain any parity information However Performance Management windows treat V VOL groups the same as parity groups for convenience The parity group icon can represent a single parity group The parity group icon can also represent two or more parity groups that are connected together If two or more parity groups are connected together volumes can be striped across two or more drives Therefore connected parity groups provide faster access particularly faster sequential access to data Using the Performance Manager GUI 4 11 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide For example if the parity group icon indicates a single parity group 1 3 the text 1 3 appears on the right of the icon If the parity group icon indicates two or more parity groups that are connected together all the connected parity groups appear on the right of the icon
172. h of 1 second 7 8 Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Table 7 9 Files with Statistics about Host Bus Adapters Belonging to SPM Groups PPCGWWN_dat ZIP PPCGWWN_xx_IOPS csv The I O rate that is the number of read and write operations per second for HBAs belonging to an SPM group PPCGWWN_xx_KBPS csv The transfer rate KB sec for HBAs belonging to an SPM group PPCGWWN_xx_Response csv The average response time microseconds for HBAs belonging to an SPM group PPCGWWN_NotGrouped_ The I O rate that is the number of read and IOPS csv write operations per second for HBAs that do not belong to any SPM group PPCGWWN_NotGrouped_ The transfer rate KB sec for HBAs that do not KBPS csv belong to any SPM group PPCGWWN_NotGrouped_ The average response time microseconds for Response csv HBAs that do not belong to any SPM group Notes 1 microsecond is one millionth of 1 second The letters xx in CSV filenames indicate the name of an SPM group If files are exported to a Windows computer CSV filenames may end with numbers for example PPCGWWN_mygroup_IOPS 1 csv and PPCGWWN_MyGroup_IOPS 2 csv Using the Export Tool 7 9 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Table 7 10 Files with Statistics about Remote Copy Operations by TC and TC for I BM z OS In the Whole Volumes Rem
173. hard disk drives i e volumes per second LDEV_C2D_Trans ZIP LDEV_C2D_Trans_x y csv The number of data transfer operations from cache memories and hard disk drives i e volumes LDEV_D2CS_Trans ZIP LDEV_D2CS_Trans_x y csv The number of data transfer operations from hard disk drives i e volumes to cache memories in sequential access mode LDEV_D2CR_Trans ZIP LDEV_D2CR_Trans_x y csv The number of data transfer operations from hard disk drives i e volumes to cache memories in random access mode LDEV_Response ZIP LDEV_Response_x y csv The average response time microseconds at volumes Notes 1 microsecond is one millionth of 1 second The letters x y in CSV filenames indicate a parity group For example if the filename is LDEV_IOPS_1 2 csv the file contains the I O rate for each volume in the parity group 1 2 Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Table 7 5 Files with Statistics about Ports Port_dat ZIP Port_IOPS csv Data Saved in the File The number of read and write operations per second at ports Port_KBPS csv The size of data transferred per second at ports KB sec Port_Response csv The average response time microseconds at ports Port_Initiator_IOPS csv The number of read and write operations per second at Initiator External ports Port_Initiator_KBPS
174. he end of a command line If the IP address of the proxy host is 158 211 122 124 and the port number is 8080 the resulting command script is as follows Batch file for Windows computers runWin bat Java classpath lib JSanExport jar lib JSanRmiServerSx jar Dhttp proxyHost 158 211 122 124 Using the Export Tool 7 23 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Dhttp proxyPort 8080 Xmx536870912 Dmd command command txt Dmd logpath log sanproject getmondat RJMdMain pause Batch file for UNIX computers runUnix bat bin sh Java classpath lib JSanExport jar lib JSanRmiServerSx jar Dhttp proxyHost 158 211 122 124 Dhttp proxyPort 8080 Xmx536870912 Dmd command command txt Dmd logpath log sanproject getmondat RJMdMain Figure 7 4 Scripts in Batch Files When Specifying the IP Address of a Proxy Host In the above scripts the symbol indicates the end of a command line For detailed information about syntax of the Java command see Java Command for Exporting Data In Files Running the Export Tool To run the Export Tool and save monitoring data in files you need to execute your batch file To execute your batch file you need to enter the name of the batch file at the command prompt and then press the lt Enter gt key If you are using a Windows computer you can double click the batch file to execute the
175. he following steps a Right click the selected SPM group and then select Change Upper Limit from the pop up menu The Change Upper Limit window is displayed To assign an upper limit to the I O rate enter the upper limit value and then select LOPS from the list Next select OK To assign an upper limit to the transfer rate enter the upper limit value and then select MB s from the list Next select OK Server Priority Manager Operation Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 5 In the Server Priority Manager window click Apply The settings in the window are applied to the storage system Change Upper Limit Upper Limit i IOPS 7 OK Cancel Figure 6 12 Change Upper Limit Window Note To confirm an upper limit value specified for each SPM group select the Subsystem folder in the lower left tree of the WWN tab The SPM groups are displayed in the list and you can confirm each upper limit value Renaming an SPM Group To rename an SPM group take the following steps 1 Start Server Priority Manager The Server Priority Manager window is displayed 2 Select the WWN tab 3 In the lower left tree select and right click an SPM group 4 Select Rename SPM Group from the pop up menu The Rename SPM Group window is displayed 5 Enter the new name and select OK 6 In the Server Priority Manager window click Apply The settings in the window are applied to the st
176. he graph and then click Apply To view transfer rates for a certain period of time in the last 24 hours you must select the From option change the date and time in the From and To boxes and then click Apply Use the arrow button and the sliders when you change the date and time in the From and To boxes For details on the Real Time option and the From option see Viewing Port Workload Statistics In the tree select the Target folder or the I nitiator External folder The list on the right displays transfer rates for the ports on the storage system If you click the Target folder the tree displays a list of ports on the storage system If you click a port icon for example and the host groups corresponding to that port appear Tips Performance Monitor Operations 5 37 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide If you select a port for example and in the tree the list displays transfer rates for all the host bus adapters connected to the selected port If you select a host group in the tree the list displays transfer rates for host bus adapters in the host group A Note You cannot view information about host bus adapters if the host group is not registered in LUN Manager 7 If you want to display a graph to find out how the transfer rate has been changed take the following steps a In the list select one or more ports or host bus adapter
177. he items displayed in the list by selecting longrange and shortrange are the same 4 In the tree double click the Access Path Usage folder 5 Do one of the following To check usage statistics about paths between adapters CHAs and DKAs and the cache switch select Adapter CSW from below the Access Path Usage folder To check usage statistics about paths between adapters CHAs and DKAs and the shared memory select Adapter SM from below the Access Path Usage folder To check usage statistics about paths between cache switches and the cache memory select CSW Cache from below the Access Path Usage folder The list on the right in Figure 5 12 displays the average and maximum usage rate for the specified paths The displayed statistics are the average and the maximum usage rates for the period specified in the From and To boxes Note If you change the date and time in the From and To boxes and then click Apply Performance Monitor recalculates usage rates and updates information in the list To change the date and time in From and To boxes use the arrow buttons and the sliders for details see Performance Management Window Physical Tab 6 If you want to display a graph illustrating changes in usage statistics about paths select the desired paths in the list and then click Draw Note The range of monitoring and the gathering interval affects the time period represented by a graduation on the horizontal axis
178. hen I O accesses are made from the host to the LU paths The unit is milliseconds The average response time in the period specified at Monitoring Term is displayed Viewing LU Paths Transfer Rates Performance Monitor monitors LU paths and measures transfer rates that is the size of data transferred in one second To view transfer rates 1 Ensure that the Performance Management window is displayed 2 Select the Port LUN tab The tree displays a list of ports on the storage system 3 Select MB s from the list on the right side of the window 4 In Monitoring Term do one of the following To view the transfer rate in real time you must select the Real Time option specify the number of recent collections of statistics which should be displayed in the graph and then click Apply To view transfer rates for a certain period of time in the last 24 hours you must select the From option change the date and time in the From and To boxes and then click Apply Use the arrow button and the sliders when you change the date and time in the From and To boxes For details on the Real Time option and the From option see Port LUN Tab of the Performance Monitor Window 5 In the tree double click a port for example or and then select a host group The LUN icon 3 appears 6 Select LUN The list on the right displays a list of LU paths and transfer rates 7 If you want to display a graph to find out how the transfer rat
179. his operand when you want to export statistics about remote copy operations which are displayed in the UR Monitor window and the URz Monitor window By using this operand you can export monitoring data about remote copy operations performed by Universal Replicator and Universal Replicator for IBM z OS in the whole volume When statistics are exported to a ZIP file the file name will be UniversalReplicator ZIP For details on the statistics exported by this operand see Table 7 14 URJ NLA J NL group id J NL group id A Use this operand when you want to export statistics about remote copy operations which are displayed in the UR Monitor window and the URz Monitor window By using this operand you can export monitoring data about remote copy operations performed by Universal Replicator and Universal Replicator for IBM z OS at each journal group When statistics are exported to a ZIP file the file name will be URJNL_dat ZIP For details on the statistics exported by this operand see Table 7 15 When you specify variables J NL group id you can narrow the range of journal groups whose monitoring data are to be exported J NL group id is a journal group number The colon indicates a range For example 00 05 indicates journal groups from 00 to 05 7 50 Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Ensure that the J NL group id value on the left of the colon is smaller than
180. hole volume TCz Monitor window nied Statistics about remote copy operations by TrueCopy and Table 7 11 TrueCopy for IBM z OS for each volume LU Statistics about remote copy operations by TrueCopy and TrueCopy for IBM z OS at volumes controlled by a particular Table 7 12 CU Statistics about remote copy operations by TrueCopy and Table 7 13 TrueCopy for IBM z OS At CLPR UR Monitor window Statistics about remote copy operations by Universal Replicator Table 7 14 and and Universal Replicator for IBM z OS in the whole volume URz Monitor window ae Statistics about remote copy operations by Universal Replicator Table 7 15 and Universal Replicator for IBM z OS at journal groups 7 2 Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Statistics about remote copy operations by Universal Replicator and Universal Replicator for IBM z OS for each volume LU Table 7 16 Statistics about remote copy operations by Universal Replicator Table 7 17 and Universal Replicator for IBM z OS at volumes controlled by a particular CU Table 7 2 Files with Statistics about Resource Usage and Write Pending Rates PhyPG_dat ZIP PHY_Long_PG csv Usage rates for parity groups in long range PHY_Short_PG csv Usage rates for parity groups in short range PhyLDEV_dat ZIP PHY_Long_LDEV_x y csv Usage rates for
181. hreshold A Caution If you enter zero 0 in a cell to disable the upper limit the cell displays a hyphen and the threshold for the prioritized port becomes ineffective If the thresholds of all the prioritized ports are ineffective threshold control will not be performed but upper limit control will be performed If you set thresholds for multiple prioritized ports and the I O rate or transfer rate becomes below the threshold at one of the prioritized ports threshold control takes effect and the upper limits of the non prioritized ports are disabled The following table shows the relationship between the thresholds and the upper limits 6 10 Server Priority Manager Operation Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Table 6 1 Relationship between the Thresholds of the Prioritized WWN and the Upper Limits of the Non prioritized WWN Threshold A Number Other Than Zero Is Set to Zero Is Set to The Upper Limit of The Settings The Upper Limit of The Non prioritized Non prioritized WWN WWN Threshold Is Set When thresholds are set to multiple The threshold control of the prioritized to The Prioritized prioritized WWNs depending on the WWN is not executed WWN transfer rate the following controls are executed If I O rate or transfer rate exceeds the threshold in any prioritized WWN upper limits of all the non prioritized WWNs take effect If I O rate or transfer rate goes belo
182. hreshold or upper limit control The statistics of All Prio and All Non Prio that is indicated in the Port LUN tab of Performance Management windows are sum total of statistics on Target RCU Target ports that are controlled by Server Priority Manager The statistics of All Prio and All Non Prio does not include the statistics of Initiator External ports Because the statistics of Initiator External ports and Target RCU Target ports are based on different calculation methods it is impossible to sum up the statistics of Initiator External ports and Target RCU Target ports About Performance Manager Options Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Preparing for Performance Manager Operations This chapter explains the preparations for performance manager operations O System Requirements O Storage Partition Administrators Limitations Preparing for Performance Manager Operations 3 1 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide System Requirements To use Performance Manager you need e USP V VM storage system e Performance Manager software Server Priority Manager is optional but Performance Monitor is required e A Web client computer intended for use as a Storage Navigator connected to USP V VM via LAN To use Performance Manager you use the Web client computer to log on to the SVP Web server When you are logged on the Storag
183. icates WWNs of the host bus adapters e SPM Name Indicates SPM names of the host bus adapters Server Priority Manager allows you assign an SPM name to each host bus adapter so that you can easily identify each host bus adapters in the Server Priority Manager windows e Nickname Indicates the nickname for the host bus adapters LUN Manager allows you to assign a nickname to each host bus adapter so that you can easily identify each host bus adapter in the LUN Manager windows e Current Indicates the current I O rate e Ave Indicates the average I O rate for the specified period e Peak Indicates the peak I O rate of the ports for the specified period This value is shown in the list when you select the Subsystem folder in the tree If you select a port in the list click Draw and select the Detail check box the detailed graph of the port I O rate is drawn The Peak value means the top of the Max line in this graph e Max Indicates the maximum I O rate for the specified period This value is shown in the list when you select a port icon or host group icon in the tree e Response Time This column indicates the time for replying from the port or host bus adapter when I O accesses are made from the host to them The unit is milliseconds The average response time in the period specified at Monitoring Term is displayed e Attribute Indicates the priority of each port Prio indicates a prioritized port Non Prio indicates a non
184. ick Go Performance Manager and then Performance Management on the menu bar of the Storage Navigator main window The Performance Management window is displayed To start monitoring the storage system 1 Ensure that the Storage Navigator main window is in Modify mode The Storage Navigator main window is in Modify mode if the background color of the icon is light yellow If the background color is gray the window is in View mode and you must change it to Modify mode by taking the following steps a Check to see if the background color of the lock icon E is blue If the background color is red amp you will not be able to switch from View mode to Modify mode Wait for a while and click the El button If the background color turns blue you can go to the next step b Click the icon A message appears asking whether you want to change the mode c Click OK to close the message The background color of the icon changes to light yellow 4 The mode changes to Modify mode The background color of the lock icon becomes red Note Even in View mode you can operate the Performance Management window but you cannot change the settings in the Monitoring Options window Start Performance Monitor and select the Monitoring Options tab The Monitoring Options window is displayed In Monitoring Switch select Enable for the Current Status option 4 Use the lists in Gathering Interval to specify the interval for obt
185. if you specify 1 minute for the gathering interval Performance Monitor collect statistics such as I O rates and transfer rates every one minute If CUs to be monitored are 65 or more the gathering interval can be specified to the value 5 10 or 15 minutes in the 5 minuted interval and default is 5 minutes For example if you specify the gathering interval to 5 minutes Performance Monitor gathers statistics such as I O rate and transfer rate every 5 minutes 4 26 Using the Performance Manager GUI Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide This option is effective only for Statistics displayed in the LDEV Port LUN and WWN tabs Statistics displayed in the Physical tab with selecting shortrange for the storing period When viewing the Physical tab with longrange selected for the storing period the statistics collected every 15 minutes are displayed regardless of the value of the Gathering Interval The Monitoring Target area in the Monitoring Options window contains the following items e PG Selection Support If you click this button all parity groups are listed in the PG list If you click this button when a large sized configuration is being used it may take long time to gather the PG list e PG list Indicates the list of IDs of the parity groups that can be monitored Each cell displayed in the list is accompanied by an icon ij Click PG on the header to sort the p
186. ight click the WWN of a host bus adapter you want to exclude from the monitoring target and then select Delete WWN from the pop up menu If you are using Windows you can drag and drop the desired WWNs from Monitor to Non Monitor 6 20 Server Priority Manager Operation Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Notes A If the selected host bus adapter is connected to multiple ports when you select the host bus adapter and select the Delete WWN pop up menu a message will appear that asks you whether to move the host bus adapter from Monitor to Non Monitor below all other ports too If the selected host bus adapter is contained in an SPM group a message will appear that tell you to delete the host bus adapter from the SPM group on ahead You cannot move a host bus adapter which is contained in an SPM group from Monitor to Non Monitor For details on how to delete a host bus adapter from an SPM group see Deleting an HBA from an SPM Group 6 Click OK for the confirmation message that asks you whether to delete the host bus adapter The deleted host bus adapter WWN is moved from Monitor to Non Monitor 7 Click Apply in the Server Priority Manager window The settings on the window are applied to the storage system Analyzing Traffic Statistics The traffic statistics reveal the number of I Os that have been made via ports from HBAs They also reveal the amount of data that have bee
187. in business organizations often include development servers as well as production servers Development servers are used for developing testing and debugging business applications If development servers suffer lowered performance it would bring undesirable results to developers However a decline in development server performance would not bring as much negative impact to the entire organization as a decline in production server performance In this sense production servers should be given higher priority over development servers About Performance Manager Options 2 13 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Server Priority Manager allows you to limit the number of I Os requests from development servers to the storage system Server Priority Manager also allows you to limit the size of data that should be transferred between the development servers and the storage system Production servers can expect reduced response time Production server performance can be maintained at a higher level Throughout this document the term upper limit control is used to refer to an act of limiting performance of low priority host servers in order to maintain high priority host servers at a higher level Upper Limit Control Upper limit control can help production servers to perform at higher levels but it is not necessarily useful when production servers are not busy For example if the number of I Os from pr
188. indicates how many I Os are made to the hard disk drive in one second If the I O rate is high the hosts might consume a lot of time for accessing disks and the response time might be long e Transfer rate The transfer rate indicates the size of data transferred to the hard disk drive in one second If the transfer rate is high the hosts might consume a lot of time for accessing disks and the response time might be long e The read hit ratio For a read I O when the requested data is already in cache the operation is classified as a read hit For example if ten read requests have been made from hosts to devices in a given time period and the read data was already on the cache memory three times out of ten the read hit ratio for that time period is 30 percent A higher read hit ratio implies higher processing speed because fewer data transfers are made between devices and the cache memory e The write hit ratio For a write I O when the requested data is already in cache the operation is classified as a write hit For example if ten write requests were made from hosts to devices in a given time period and the write data was already on the cache memory three cases out of ten the write hit ratio for that time period is 30 percent A higher write hit ratio implies higher processing speed because fewer data transfers are made between devices and the cache memory About Performance Manager Options 2 11 Hitachi Universal Storage Platfo
189. indow ask one of the users to log off wait for one of the users to quit the Export Tool Missing command file The command file is not specified Specify the name of the command file correctly Missing group name No operand is specified in the group subcommand Specify operands for the subcommand Missing host name No host name is specified Specify a host name Missing output directory No directory is specified for saving files Specify the directory for saving files Missing password The Export Tool cannot find the user ID which is used to log into the SVP Specify the password Missing svpip The svpip subcommand is not used Use the svpip command Missing time range Specify the time range Missing user ID The Export Tool cannot find the user ID which is used to log into the SVP Specify the user ID Out of range range The value is outside the range If the short range subcommand or the long range subcommand is used specify a value within the range from the monitoring start time to the monitoring end time If the set subcommand is used with the switch operand specify a value within the range of 1 to 15 Troubleshooting Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 8 5 Possible Problems Probable Causes and Recommended Action Permission Denied The user ID does not have the required permission The user
190. ing ends successfully Figure 7 6 Example of Command Prompt Outputs from Export Tool When the Export Tool finishes successfully monitoring data are usually compressed in ZIP format archive files If you want to obtain CSV files you need to decompress ZIP files and extract CSV files out of the ZIP files If the operating system on your computer does not include a feature for decompressing ZIP files you need to obtain software for decompressing files For a complete list of files to be saved by the Export Tool see Using the Export Tool When an internal error occurs during export processing the exclamation mark appears to signal the error If this happens the Export Tool will make up to three more attempts at processing If export processing does not finish through three retries or if an internal error occurs other than those in_Table 7 18 the Export Tool does not retry the processing In this case you need to quit the command prompt and then run the Export Tool again You can change the maximum number of retries by using the retry subcommand For detailed information about the retry subcommand see retry Subcommand Table 7 18 Errors for Which Export Tool Retries Processing 0001 4001 An error occurred during SVP processing 0001 5400 Since the SVP is busy the monitoring data cannot be obtained 0001 5508 An administrator is changing a system environment file 0002 2016 Array is refreshing or the
191. ing periods in short range and in long range The show subcommand displays the storing periods and the gathering intervals for these two types of monitoring data The following is an example of information that the show subcommand outputs Short Range From 2006 10 01 01 00 To 2006 10 01 15 00 Interval Imin Long Range From 2006 09 01 00 00 To 2006 10 01 15 00 Interval 15min Short Range indicates the storing period and gathering interval of the monitoring data stored in short range Long Range indicates those of the monitoring data stored in long range In the above example the monitoring data in short range is stored every 1 minute in the term of 1 00 15 00 on Oct 1 2006 Also the monitoring data in long range is stored every 15 minutes in the term of Sep 1 2006 0 00 through Oct 1 2006 15 00 When you run the Export Tool you can export monitoring data within these periods into files All the monitoring items are stored in short range but a part of monitoring items is stored in both the short range and long range For details on monitoring items that can be stored in long range see long range Subcommand The use of the show subcommand is not mandatory but it is recommended that you include the show subcommand in your command file If an error occurs when you run the Export Tool you might be able to find the error cause by checking the log file for information issued by the show subcommand For detailed
192. ing the Export Tool 7 53 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide short range Subcommand Syntax short rangeA yyyyMMddhhmm hhmm yyyyMMddhhmm lt hhmm Description The short range subcommand enables you to specify a term of monitoring data to be exported into files Use this subcommand when you want to narrow the export target term within the stored data The short range subcommand is valid for monitoring data in short range The monitoring data in short range is the contents displayed in the following windows e The Performance Management window with selecting short range as the storing period e The TC Monitor and TCz Monitor windows e The UR Monitor and URz Monitor windows All the monitoring items are stored in short range Therefore you can use the short range subcommand whichever operand you specify to the group subcommand If you run the Export Tool without specifying the short range subcommand the data stored in the whole monitoring term will be exported The login subcommand must execute before the short range subcommand executes Operands The value on the left of the colon specifies the starting time of the period The value on the right of the colon specifies the ending time of the period Specify the term within Short Range From XXX To XXX which is output by the show subcommand If no value is specified on the left of the col
193. interval you selected here determines the storing period of the statistics in short range which is up to 15 days For example if you specify the gathering interval as 1 minute the statistics can be stored 1 day and if you specify it as 15 minutes the statistics can be stored 15 days If the number of the CUs to be monitored is 65 or more you can choose the gathering interval from among 5 10 or 15 minutes The gathering interval you selected determines the storing period between 8 hours and 1 day of the statistics In case of 510 CUs for example the statistics can be stored for 8 hours if you specify the gathering interval to 5 minutes and the statistics can be stored for 1 day if the interval is specified to 15 minutes Performance Monitor Operations 5 3 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Moreover the resource usage in the storage system can also be stored in a long range up to 3 months In this case however the gathering interval is fixed to 15 minutes regardless of the value set for the Gathering Interval option For details on the relationship of collection interval and storing period of the statistics see Monitoring Options Window The monitoring switch settings in the Monitoring Options window work in conjunction with the monitoring switch settings in the Usage Monitor windows of TrueCopy TrueCopy for IBM z OS Universal Replicator and Universal Replicator for IBM z OS Therefo
194. ions for Performance Monitor TrueCopy TrueCopy for IBM z OS Universal Replicator and Universal Replicator for IBM z OS If you want to use a reference to a termination code in your batch file do the following e To use such a reference in a Windows batch file write errorlevel in the batch file e To use such a reference in a UNIX Bourne shell script write in the shell script e To use such a reference in a UNIX C shell script write Y status in the shell script A reference to a termination code is used in the following example of a Windows batch file If this batch file executes and the Export Tool returns the termination code 1 or 3 the command prompt displays a message that indicates the set subcommanazd fails Java classpath lib JSanExport jar lib JSanRmiServerSx jar Xmx536870912 Dmd command command txt Dmd logpath log sanproject getmondat RJMdMain if errorlevel 1 echo THE SET SUBCOMMAND FAILED if errorlevel 3 echo THE SET SUBCOMMAND FAILED pause Figure 7 7 Example of a Batch File Including References to Termination Codes A Note The lt symbol indicates the end of a command line 7 28 Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Command Reference This section provides the syntax of the subcommands that you can write in your command file and the Java command that should be used
195. ioritized port 1 Start Server Priority Manager The Server Priority Manager window is displayed 2 Select the Port tab Do one of the following To limit the I O rate for the non prioritized port select IOPS from the list at the upper left corner of the list To limit the transfer rate for the non prioritized port select MB s from the list at the upper left corner of the list 4 Locate the non prioritized port in the list A Notes The Attribute column of the list indicates whether ports are prioritized or non prioritized If you cannot find any non prioritized port in the list check the list at the top right corner of the window If the list displays Prioritize select All or Non Prioritize from the list 5 Do one of the following To limit the I O rate for the non prioritized port double click the desired cell in the LOPS column in Upper Next enter the upper limit value in the cell To limit the transfer rate for the non prioritized port double click the desired cell in the MB s column in Upper Next enter the upper limit value in the cell In the list either of TOPS or MB s column is activated depending on the rate selected at step 3 above You can use either of them to specify the upper limit value for one port You can specify different types of rates LOPS or MB s for the upper limit values of different non prioritized ports The upper limit value that you entered is displayed in blue
196. ished between host bus adapters HBAs and ports you should make sure that all the traffic between HBAs and ports is monitored To make all the traffics between host bus adapters and ports monitored 1 Start Server Priority Manager The Server Priority Manager window is displayed 2 Ensure that the WWN tab is displayed The two trees are displayed in the left side of the WWN tab The upper left tree lists ports in the storage system 3 Select All from the list at the top right corner of the window 4 In the upper left tree double click a port 5 Double click Non Monitor below the specified port If there are any host bus adapters whose traffics with the specified port are not monitored those host bus adapters are displayed below Non Monitor 6 Right click Monitor and then select Add WWN from the pop up menu The Add WWN window is displayed This window lets you add a WWN of a host bus adapter to Monitor 7 In the Add WWN window specify the WWN and the SPM name 6 18 Server Priority Manager Operation Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Expand the WWN list to show the WWNs of the host bus adapters that are connected to the port but are not monitored These host bus adapters are the same as that displayed in step 5 From that list select a WWN and specify the SPM name You can specify up to 16 characters for an SPM name Note Hitachi Data Systems recommends that you spe
197. ist If Prioritize is selected only the prioritized ports appear in the list If Non Prioritize is selected only the non prioritized ports appear in the list Using the Performance Manager GUI 4 31 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide If you change settings of a port that port remains in the list regardless of the selection in the list e The list near the upper left corner of the Port tab allows you to change the type of performance statistics to be displayed in the list If TOPS I Os per second is selected the list displays I O rates for ports The I O rate indicates the number of I Os per second If MB s megabytes per second is selected the list displays the transfer rates for ports The transfer rate indicates the size of data transferred via a port in one second e The list displays a list of ports and indicates the I O rate or the transfer rate for each port This list also enables you to specify the port attributes and the threshold and upper limit of the port traffic The measurement unit for the values in the list can be specified by the list above the trees The port traffic I O rate and transfer rate is monitored by Performance Monitor To specify the monitoring period use the Monitoring Term area of Performance Monitor The list shows the following items The Port column indicates ports on the storage system The Ave column indicates the averag
198. isting files or directories clear Deletes existing files and directories and then saves monitoring data in files noclear Overwrites existing files and directories Example The following example saves monitoring data in CSV files not in ZIP files option nocompress Using the Export Tool 7 63 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide apply Subcommand Syntax apply Description The apply subcommand saves monitoring data specified by the group subcommand into files The login subcommand must execute before the apply subcommand executes The apply subcommand does nothing if the group subcommand executes The settings made by the group subcommand will be reset when the apply subcommand finishes set subcommand Syntax setA switch m off Description The set subcommand starts or ends monitoring the storage system i e starts or ends collecting performance statistics The set subcommand also specifies the gathering interval interval of collecting statistics in short range monitoring If you want to use the set subcommand you must use the login subcommand see login Subcommand to log on to the SVP Ensure that the set subcommand executes immediately before the Export Tool finishes Executing the set subcommand generates an error in the following conditions e Some other user is being logged onto the SVP in Modify mode e Maintenance operations are being performed at
199. it values you must measure traffic at ports View traffic statistics for the prioritized WWN to check whether the host performance is improved to a desirable level In network B the desirable I O rate for the prioritized WWN is 400 IO s If the I O rate reaches 400 IO s production server performance has reached to a desirable level If production server performance is not improved to a desirable level you can change the upper limit to a smaller value and then apply the new upper limit to the storage system In network B if the upper limit is set to 720 IO s but the I O rate for wwn01 is still below 400 IO s the administrator needs to change the upper limit until the I O rate reaches 400 IO s If an upper limit of the non prioritized WWN is set to zero or nearly zero I O performance might be lowered If I O performance is lowered the host cannot be connected to the storage system in some cases 7 If necessary apply a threshold If you want to use threshold control set a threshold in the WWN tab in the Server Priority Manager window In the WWN tab you can specify only one threshold for the entire storage system regardless of the number of prioritized WWNs For example if there are three prioritized WWNs in the network and the threshold is 100 IO s the upper limit on the non prioritized WWNs is disabled when the sum of the I O rates for all prioritized WWNs goes below 100 IO s For details on how to set a threshold see Setting a T
200. itor receives a couple of data items After LDEVs are installed or CUs to be monitored are added the SVP might be overloaded for up to 15 minutes if Performance Monitor receives a couple of data items Replacing the microprogram After the microprogram was replaced the monitoring data is not stored until a service engineer releases the SVP from Modify mode Therefore inaccurate monitoring data may be displayed temporarily Server Priority Manager 2 18 User types If the user type of your user ID is storage partition administrator you cannot use Server Priority Manager For details on the limitations when using Performance Manager logged in as a storage partition administrator see Storage Partition Administrators Limitations About Performance Manager Options Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide e I O rates and transfer rates Server Priority Manager runs based on I O rates and transfer rates measured by Performance Monitor Performance Monitor measures I O rates and transfer rates every second and calculates the average I O rate and the average transfer rate for every gathering interval specified between 1 and 15 minutes regularly Suppose that 1 minute is specified as the gathering interval and the I O rate at the port 1 A changes as illustrated in Graph 1 in Figure 2 3 When you use Performance Monitor to display the I O rate graph for 1A the line in the graph indicates ch
201. iversal Storage Platform V VM Hitachi Performance Manager User s Guide show Subcommand Syntax show Description The show subcommand outputs the following information to the standard output for example to the command prompt the period during which monitoring data was collected onto the SVP storing period the interval at which the monitoring data was collected gathering interval Performance Monitor collects statistics by the two types of storing periods in short range and in long range In short range monitoring the monitoring data between 8 hours and 15 days is stored in the SVP and in long range monitoring the monitoring data up to three months is stored in the SVP For details on the two storing periods see Understanding Statistical Storage Ranges The show subcommand displays the storing period and the gathering interval for these two types of monitoring data in short range and in long range For example the show subcommand outputs the following information Short Range From 2006 10 01 01 00 To 2006 10 01 15 00 Interval Imin Long Range From 2006 09 01 00 00 To 2006 10 01 15 00 Interval 15min Short Range indicates the storing period and gathering interval of the monitoring data stored in short range Long Range indicates those of the monitoring data stored in long range When you run the Export Tool you can export the monitoring data within these periods into files If you use the
202. l volume group or the volume per second e Write Indicates the number of write requests to the parity group the external volume group or the volume per second e Read Hit Indicates the read hit ratio e Write Hit Indicates the write hit ratio e Back Trans Indicates the number of data transfers per second between the parity group or the external volume group or the volume and the cache memory e Response Time This column indicates the time for replying from the parity group the external volume group or the volume when I O accesses are made from the host to them The unit is milliseconds The average response time in the period specified at Monitoring Term is displayed e CLPR This column indicates numbers and names of CLPRs corresponding to each parity group external volume group or volume in the format CLPR number CLPR name For details on CLPRs see the Virtual Partition Manager User s Guide Viewing Transfer Rates for Disks 5 30 Performance Monitor audits hard disk drives and measures transfer rates that is the size of data transferred in one second To view transfer rates 1 Ensure that the Performance Management window is displayed 2 Click the LDEV tab The tree displays a list of parity groups and external volume groups 3 Select MB s from the list on the right side of the window 4 In the tree do one of the following To view the transfer rate for each parity group and external volume group sel
203. latform V VM Hitachi Performance Manager User s Guide Viewing Workload Statistics on LU Paths 4 20 When you select LUN 3 in the tree select a LUN in the list click Draw and then select Detail the graph displays detailed statistics about workload on the LU paths The detailed statistics that can be displayed differ depending on items you select in the list as explained in Table 4 3 Table 4 3 Detailed I nformation that can be Displayed in the Graph Port LUN Tab Select Detail and this tem in the The Graph Contains List 10 the number of I Os per second Read the number of read accesses per second Write the number of write accesses per second Read Hit the read hit ratio Write Hit the write hit ratio statistics in sequential access mode statistics in random access mode Note If the read hit ratio or the write hit ratio is high random access mode is used for transferring data instead of sequential access mode For example random access mode is likely to be used for transferring data to disk areas to which the Cache Residency Manager function is applied Back Trans backend transfer the number of I Os between the cache memory and hard disk drives the number of data transfers from the cache memory to hard disk drives Cache to Drive the number of data transfers from hard disk drives to the cache memory in sequential access mode Drive to Cache Seq the
204. layed in the list by selecting longrange and shortrange are the same 4 In the tree double click the ACP folder 5 Click DKP from below the ACP folder The list on the right displays usage statistics about disk processors The displayed statistics are the average and the maximum usage rates for the period specified in the From and To boxes Performance Monitor Operations 5 19 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide A Note If you change the date and time in the From and To boxes and then click Apply Performance Monitor recalculates usage rates and updates information in the list To change the date and time in From and To boxes use the arrow buttons and the sliders for details see Performance Management Window Physical Tab 6 If you want to display a graph illustrating changes in usage rate for disk processors select the desired disk processors in the list and then click Draw Note The range of monitoring and the gathering interval affects the time period represented by a graduation on the horizontal axis KA ID Usage Ave Total Max DKP80 1B 30 83 DKP81 1B 30 83 DKP82 1B 30 83 DKP83 1B 30 83 DKP90 1C 30 83 DKP91 1C 30 83 DKP92 1C 30 83 DKP93 1C 30 83 DKPAQ 1D 30 83 Figure 5 8 Example of Disk Processor Usage Rates Displayed The list displays the following items e KA When the green checkmark icon M is displayed
205. layed in the list and the graph In case 65 or more CUs are monitored the statistics are displayed every 5 10 or 15 minutes e The list on the right of Monitoring Data indicates storing period of statistics monitoring data The statistics displayed in the WWN tab are stored only in short range therefore shortrange is displayed in this list and you cannot change it The range of monitoring data that can be displayed in the window is between 8 hours and 15 days depending on the gathering interval For details on the types of storing period of statistics see Understanding Statistical Storage Ranges For details on the relationship between collection interval and the storing period of the statistics see Monitoring Options Window e Monitoring Term let you narrow the range of statistics that should be displayed in the window The starting and ending time for collecting statistics are displayed on both sides of the slide bar Performance Monitor stores the monitoring data between these times and you can specify the desired term within this range Statistics for the specified term will be displayed in list and graph formats For example if you want to view statistics within the range of 10 30 July 1 2007 to 10 30 July 2 2007 you set 2007 07 01 10 30 to the From box set 2007 07 02 10 30 to the To box and then click Apply To set a date and time in From and To do either of the following Move the slider to the left or to the right
206. ld value select MB s A Note If you want to set one threshold value for the entire storage system this step is unnecessary 4 Do one of the following To set a threshold to each prioritized port locate the desired prioritized port which is indicated by Prio in the Attribute column Next double click the cell in the TOPS or MB s column in Threshold and then enter the threshold value In the list either of TOPS or MB s column is activated depending on the rate selected at step 3 above Repeat this operation to set the thresholds for all the prioritized ports You can use different types of rates 1OPS or MB s for thresholds of different prioritized ports 6 16 Server Priority Manager Operation Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide A Caution If you enter zero 0 in a cell to disable the upper limit the cell displays a hyphen and the threshold for the prioritized port becomes ineffective If the thresholds of all the prioritized ports are ineffective threshold control will not be performed but upper limit control will be performed If you set thresholds for multiple prioritized ports and the I O rate or transfer rate becomes below the threshold at one of the prioritized port threshold control works in the entire storage system and the upper limits of the non prioritized ports are disabled The following table shows the relationship between the thresholds and the upper
207. led by an upper limit or a threshold the graph also displays a line that indicates the upper limit or the threshold When you draw a graph use the Detail check box and the list to illustrate the desired information and use the Chart Y Axis Rate list to arrange the graph convenient to work Chart Y Axis Rate 2000 z v Detail 10 zi IOPS 5 3 10 00 10 20 10 40 11 00 0000 Figure 4 9 Chart Y Axis Rate List Detail Check Box and the List to Select the I tem to be Displayed Port LUN Tab Use the Chart Y Axis Rate list to select the highest value of the Y axis the vertical axis of the graph If you select Detail after drawing a graph by clicking Draw the graph displays detailed statistics as explained The detailed statistics can be displayed only When you select the Subsystem folder in the tree and select a port in the list 4 18 Using the Performance Manager GUI Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide The graph displays detailed statistics about workloads on the port selected in the list For details on the graph see Viewing Port Workload Statistics When you select LUN Bin the tree and select a LUN an address of a volume in the list The graph displays detailed statistics about workloads on the LU paths selected in the list The information in the graph depends on the item selected in the list on the right of the Detail check box For details on the graph
208. left of the colon specifies the starting time of the period The value on the right of the colon specifies the ending time of the period Specify the term within Long Range From XXX To XXX which is output by the show subcommand Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide If no value is specified on the left of the colon the starting time for collecting monitoring data is assumed If no value is specified on the right of the colon the ending time for collecting monitoring data is assumed The starting and ending times for colleting monitoring data are displayed in the Monitoring Term area in the Performance Management window Starting time for Ending time for collecting statistics collecting statistics Meee From 2006 05 03 01 42 Term To 2006 05 03 03 12 240312 C RealTime Figure 7 11 Starting and Ending Time for Collecting Monitoring Data yyyyMMddhhmm yyyyMMdd indicates the year the month and the day hhmm indicates the hour and the minute If yyyyMMddhhmm is omitted on the left of the colon the starting time for collecting monitoring data is assumed If yyyyMMddhhmm is omitted on the right of the colon the ending time for collecting monitoring data is assumed ddhhmm Adds time ddhhmm to yyyyMMddhhmm if yyyyMMddhhmm is specified For example 200601120000 010130 indicates Jan 13 2006 01 30 Adds time to the startin
209. limits Table 6 2 Relationship between the Thresholds of the Prioritized Port and the Upper Limits of the Non prioritized Port Thresholds A Number Other Than Zero Is Set to The Zero Is Set to The Upper Limit of The Settings Upper Limit of The Non prioritized port Non prioritized port Threshold Is Set When thresholds are set to multiple The threshold control of the prioritized to The Prioritized prioritized ports depending on the port is not executed port transfer rate following controls are executed If I O rate or transfer rate exceeds the threshold in any prioritized port upper limits of all the non prioritized ports take effect If I O rate or transfer rate goes below the threshold in any prioritized port upper limits of all the non prioritized ports do not take effect Threshold Is Not The specified upper limit always takes Set to The effect Prioritized port To set one threshold to the entire storage system select the All Thresholds check box Next select LOPS or MB s from the list of right side in All Thresholds and enter the threshold value in the text box Even if the types of rates for upper limit values and the threshold are different the threshold control can work for all the non prioritized ports 5 Click Apply The settings in the window are applied to the storage system WWN Tab Operations If many to many connections are established between host bus adapters HBAs and storage system
210. ls on the contents in this window see the Universal Replicator for IBM z OS User s Guide If each remote copy function TrueCopy TrueCopy for IBM z OS Universal Replicator or Universal Replicator for IBM z OS is not installed in your environment the corresponding tabs TC Monitor tab TCz Monitor tab UR Monitor tab or URz Monitor tab are unavailable Using the Server Priority Manager Windows The first section in this chapter explains Server Priority Manager windows The remaining sections explain procedures for monitoring performance and setting the upper limit and threshold for I O rates and transfer rates If the user type of your user ID is storage partition administrator you cannot use Server Priority Manager For details on the limitations when using Performance Manager logged in as a storage partition administrator see Storage Partition Administrators Limitations The Server Priority Manager window has two tabs Port tab and WWN tab If one to one connections are established between host bus adapters and ports use the Port tab If many to many connections are established between host bus adapters and ports use the WWN tab This section explains these tabs in the Server Priority Manager window Port Tab of the Server Priority Manager Window 4 30 The Port tab lets you set the limit on the performance of non prioritized ports and set the threshold on the performance of prioritized ports For operations in this tab se
211. me In addition the window can display a graph that indicates how the write pending rate or the usage statistics of the cache memory changed within that period For details on how to view the write pending rate and the usage statistics about the cache memory see Viewing Write Pending and Cache Memory Usage Statistics About Performance Manager Options 2 9 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Access Path Usage Statistics An access path is a path through which data and commands are transferred within a storage system In a storage system channel adapters control data transfer between hosts and the cache memory Disk adapters control data transfer between the cache memory and hard disk drives Data transfer does not occur between channel adapters and disk adapters Data is transferred via the cache switch CSW to the cache memory When hosts issue commands the commands are transferred via channel adapters to the shared memory SM The content of the shared memory is checked by disk adapters 3 Ya cache shared memor cache switch CSW memory pod CHA channel adapter DKA disk adapter Figure 2 1 Access Paths Performance Monitor tracks and displays the usage rate for the following access paths e Paths between channel adapters and the cache switch e Paths between disk adapters and the cache switch e Paths between the cache switch and
212. mes Controlled by a Particular CU RCLDEV_AIl_RIO ZIP RCLDEV_AIl_RIO_xx csv The total number of remote I Os read and write operations RCLDEV_AIl_Read ZIP RCLDEV_AIl_Read_xx csv The total number of remote read I Os RCLDEV_AIl_Write ZIP RCLDEV_AII_Write_xx csv The total number of remote write I Os RCLDEV_RIO_Error ZIP RCLDEV_RIO_Error_xx csv The number of errors that occur during remote I O RCLDEV_Initial_Copy_RIO ZIP RCLDEV_Initial_Copy_RIO_xx csv The number of initial copy remote I Os RCLDEV_Initial_Copy_Hit ZIP RCLDEV_Initial_Copy_Hit_xx c sv The number of hits of initial copy remote I Os RCLDEV_Initial_Copy_Transfer ZIP RCLDEV_Initial_Copy_Transfer _XX CSV The average transfer rate KB sec for initial copy remote I Os RCLDEV_Initial_Copy_Respons e ZIP RCLDEV_Initial_Copy_Respons _XX CSV The average response time milliseconds for initial copy at volumes RCLDEV_Migration_Copy_RIO ZIP RCLDEV_Migration_Copy_RIO_ XX CSV The number of migration copy remote I Os RCLDEV_Migration_Copy_Hit Z IP RCLDEV_Migration_Copy_Hit_ XX CSV The number of hits of migration copy remote I Os RCLDEV_Update_Copy_RIO ZI P RCLDEV_Update_Copy_RIO_xx CSV The number of update copy remote I Os RCLDEV_Update_Copy_Hit ZIP RCLDEV_Update_Copy_Hit_xx csv The number of hits of update copy remote I Os RCLDEV_Update_Copy_Transfe
213. n Disk Processors eerren 5 19 Viewing Usage Statistics on Data Recovery and Reconstruction Processors 5 21 Viewing Write Pending and Cache Memory Usage Statistics 5 22 Viewing Usage Statistics on Access Paths ccccccseeceeseeseeeeueeeeueeeeneeteeeeees 5 24 Viewing I O Rates for DISKS c ciicciniiwss ie iditin aside eielueniticn tates 5 27 Viewing Transfer Rates for DISKS cccceccseeceeeceeeeeeceeeseeeeeeeeeeeeueeeeeasenens 5 30 Viewing 1 0 Rates for POTTS cai caciiecascediveswadccciadvamnseteverauchecee isrnteasdiacinteds 5 34 Viewing Transfer Rates for Ports cccisscccscveverssecsencisassderedecersacerecauressdaneckaccnae 5 37 Viewing Details about the I O and Transfer Rates 5 40 Viewing LU Paths 1 0 Rates cessvincdes cerieeteveseereraicaciasaredimvsiatiaredivederneieiedeed 5 41 Viewing LU Paths Transfer Rates cccccccccccceecescceeceeeeeeseeeeeeeeeeeeneeeneeanes 5 43 Monitoring Paths between Host Bus Adapters and Ports sesser 5 45 Viewing I O Rates between MBAS wvciucsvxesdrncsnvavnvenssaaveawss panwavevseranswelecesuanes 5 45 Viewing Transfer Rates between HBAG ccccccceeceeceeeeeeeeeeeeeeeeeeeeeeeeeeans 5 48 Server Priority Manager Operation secicdeleicniaisrnicosedaediavecientsrineneiareowiiad 6 1 If One to One Connections Link HBAS and Ports 6 3 If Many to Many Connections Link HBAS and Ports cccseeeseeeseeeeeeeeeeeees 6 6 Starting Server Priority MANaQel ccccccceccceecceeeeeeeeeeee
214. n the control status to No Control specify Prio for attributes of all the host bus adapters and then click Apply 4 34 Using the Performance Manager GUI Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide e The list near the upper right corner of the Server Priority Manager window enables you to narrow WWNs host bus adapters in the list If All is selected all the WWNs appear in the list If Prioritize is selected only the prioritized WWNs appear in the list If Non Prioritize is selected only the non prioritized WWNs appear in the list e The upper left tree lists ports and the host bus adapters connected to these ports in the storage system Ports on the storage system are shown below the Subsystem folder The ports are indicated by icons such as and When you double click on a port the tree expands to display two items Monitor and Non Monitor The host bus adapters that are connected to the specified port are displayed below Monitor or Non Monitor If you double click Monitor the host bus adapters E whose traffics with the specified port are monitored are displayed below Monitor If you double click Non Monitor the host bus adapters whose traffics with the specified port are not monitored are displayed below Non Monitor The WWN and SPM names of the host bus adapters are displayed on the right of the host bus adapter icon B below Monitor WWNs Worldwide Name are 1
215. n transferred between ports and HBAs You must analyze the traffic statistics to determine upper limit values that should be applied to I O rates or transfer rates for low priority HBAs The following is the procedure for using the Server Priority Manager window to analyze traffic statistics You can also use the Performance Management window to analyze traffic statistics Performance Monitor can display a line graph that indicates changes in traffic For details see Viewing I O Rates for Disks and Viewing Transfer Rates for Disks To analyze traffic statistics 1 Start Server Priority Manager The Server Priority Manager window is displayed 2 Select the WWN tab 3 Select All from the list at the top right corner of the window 4 Do one of the following To analyze I O rates select 1OPS from the list at the upper left corner To analyze transfer rates select MB s from the list at the upper left corner of the list Server Priority Manager Operation 6 21 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 5 Below the Subsystem folder in the upper left tree click the icon of the port whose traffic statistics you want to collect The list displays traffic statistics I O rates or transfer rates about the host bus adapters that connect to the selected port The following two types of traffic are shown The traffic has attributes including the average and maximum values Traffic between th
216. name will be PhyPG_dat ZIP For details on the statistics exported by this operand see Table 7 2 You can use the Short or Long option to select the storing period of the monitoring data to be exported If you specify Short the exported file will contain statistics in a short range for up to 15 days If you specify Long the exported file will contain statistics in a long range for up to three months i e up to 93 days If neither Short nor Long is specified statistics in both the short and long range are exported When you specify variables parity group id you can narrow the range of parity groups whose monitoring data are to be exported parity group id is a parity group ID The colon indicates a range For example 1 1 1 5 indicates parity groups from 1 1 to 1 5 Ensure that the parity group id value on the left of the colon is smaller than the parity group id value on the right of the colon For example you can specify PhyPG 1 1 1 5 but you cannot specify PhypG 1 5 1 1 Also you can specify PhyPG 1 5 2 1 but you cannot specify PhyPG 2 1 1 5 If parity group id is not specified the monitoring data of all the parity groups will be exported PhyLDEVA Short Long A parity group id parity group id A Use this operand when you want to export statistics about volume usage rates which are displayed in the Physical tab of the Performance Management window When statistics are exported to a ZIP file the file name will be Ph
217. nce Monitor Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Performance Management TC Monitor TCz Monitor UR Monitor URz Monitor Monitoring Options i Monitoring Options Monitoring Switch Current Status Enable C Disable Gathering Interval 5 v Minute s Monitoring Target Select a INININ N IN ININ ININ N N NIN N ON NIN N N N IN NIN v1 1 NIN ININ IN NIN IN IN IN IN NIN EJ 2049 1 d AE NONI NINIENI NINININI NIENININIENI N N il E1 1 Y Monitoring Target CUs 156 PG Selection Support Apply Cancel Figure 5 1 Monitoring Options Window of Performance Monitor To start monitoring select Enable for the Current Status option in Monitoring Switch and specify the Gathering I nterval option to set the interval for collecting information Next select or release the CUs to be monitored in Monitoring Target area You can specify target CUs either by choosing PG numbers LDKC numbers CU numbers or the cells in the CU table For the details on how to select CUs see Monitoring Options Window After the setting is completed click Apply Performance Monitor starts to obtain statistics about the storage system and saves the statistics at the specified interval If the number of CUs to be monitored is 64 or less you can select a gathering interval between 1 and 15 minutes The gathering
218. ndicates whether WWNs are prioritized or non prioritized The Attribute column of a non prioritized WWN displays Non Prio If you cannot find any non prioritized WWN in the list check the list at the top right corner of the window If the list displays Prioritize select All or Non Prioritize 6 Do one of the following To limit the I O rate of the non prioritized WWN double click the desired cell in the LOPS column in Upper Next enter the upper limit value in the cell 6 24 Server Priority Manager Operation Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide To limit the transfer rate of the non prioritized WWN double click the desired cell in the MB s column in Upper Next enter the upper limit value in the cell In the list either of the LOPS cells or MB s cells are activated depending on the rate you specified in step 3 You can specify the limit value by using either of the I O rate or transfer rate for each host bus adapter The upper limit value that you entered is displayed in blue It is allowed that you specify upper limit values by using the I O rate for some host bus adapters and specify them by using the transfer rate for the other host bus adapters Notes You cannot specify or change the upper limit value of a host bus adapter which is contained in an SPM group The upper limit value of such a host bus adapter is defined by the SPM group settings For details on how to s
219. ndow In the tree do one of the following To view the transfer rate for host bus adapters in an SPM group select the SPM group The list on the right displays the transfer rate To view the transfer rate for host bus adapters that do not belong to any SPM group select Not Grouped The list on the right displays the transfer rate Tips If you select the Subsystem folder in the tree the list displays the transfer rate at each SPM group If you select a host bus adapter E in the tree the list displays the transfer rate at each port connected to the selected host bus adapter If you want to display a graph to find out how the transfer rate has been changed take the following steps a In the list select one or more SPM groups WWNs or ports Performance Monitor Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide b Click Draw Notes A e Ifthe graph does not display changes in the transfer rate for example if the line in the graph runs vertically it is recommended that you change the value in the Chart Y Axis Rate list For example if the largest value in the list is 200 and the value in Chart Y Axis Rate is 100 you should select a value larger than 200 from Chart Y Axis Rate e If the WWN of a host bus adapter HBA is displayed in red in the tree the host bus adapter is connected to two or more ports but the traffic between the HBA and some of the port
220. ne are regarded as a comment The scripts in this command file are explained as follows svpip 158 214 135 57 This script specifies that you are logging into the SVP whose IP address is 158 214 135 57 You must log into the SVP when using the Export Tool The svpip subcommand specifies the IP address of the SVP You must include the svpip subcommand in your command file For detailed information about the svpip subcommand see svpip Subcommand e login expusr passwd Using the Export Tool 7 19 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide This script specifies that you use the user ID expusr and the password passwd to log into the SVP The login subcommand logs the specified user into the SVP You must include the login subcommand in your command file For detailed information about the login subcommand see login Subcommand A Caution When you write the login subcommand in your command file you must specify a user ID that should be used exclusively for running the Export Tool See Requirements for Using the Export Tool for reference show The show Subcommand checks the SVP to find the period of monitoring data stored in the SVP and the data collection interval that is called gathering interval in Performance Monitor and then outputs them to the standard output for example the command prompt and the log file Performance Monitor collects statistics by the two types of stor
221. nel adapter that is installed on the same location newly The Delete ports if CHA is removed check box is available only when the following Server Priority Manager settings on ports in a removed channel adapter remains on SVP The setting of prioritized ports or non prioritized ports The setting of prioritized WWNs or non prioritized WWNs e The Apply button applies the settings in this window to the storage system e The Reset button restores the last applied settings in the window When you click this button all the changes displayed with the blue text in the window are canceled e The Initialize button changes the settings in this window as explained below and then applies the resulting settings to the storage system All the host bus adapters become prioritized WWNs If the All Thresholds checkbox is checked the check mark disappears e The Close button closes the Server Priority Manager window Using the Performance Manager GUI 4 39 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 4 40 Using the Performance Manager GUI Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Performance Monitor Operations This chapter explains the following performance monitor operations O OHoOdadq Overview of Performance Monitor Operations Monitoring Resources in the Storage System Monitoring Hard Disk Drives Monitoring Ports Monitoring
222. nment variable For information about how to add a path to the environment variable refer to the documentation for your operating system An incorrect version of Java Runtime Environment JRE might be installed on your computer To check the JRE version enter the following command at the Windows command prompt or the UNIX console window Java version If the version is incorrect install the correct version of JRE The Export Tool stops and the processing does not continue The command prompt window was displaying progress of the export processing but the window stopped displaying progress before the processing stopped The progress information does not seem to be updated anymore The command prompt window might be in pause mode The command prompt window will be in pause mode if you click the command prompt window when the Export Tool is running To cancel pause mode you need to activate the command prompt window and then press the lt ESC gt key If a timeout of RMI occurs during pause mode the login will be canceled and an error will occur when you cancel pause mode after the timeout The error message ID will be 0001 4011 If a memory size is not specified in a batch file the Out Of Memory Error occurs in JRE the Export Tool might stop and the processing might not continue Confirm whether the specified memory size is correct or not Troubleshooting Hitachi Universal Storage Platform V VM Hitachi Per
223. o Performance Monitor calculates the length in minutes of the specified period and displays the calculated length When calculating the length in minutes Performance Monitor rounds up the fraction Note From and To are unavailable if the monitoring data that is L i obtained statistics is not stored in the storage system e The Real Time option lets you view statistics in real time mode where statistics are updated at a gathering interval you specify between 1 and 15 minutes 4 16 Using the Performance Manager GUI Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide When you select the Real Time option use the list to select the number of recent collections of statistics which should be displayed in the graph You can select the number of times from 5 or 90 This setting determines the range of recent statistics to be displayed in the graph For example suppose the gathering interval is 1 minute In this case if you select 90 from the list the graph displays statistics obtained in the last 90 minutes multiplying 1 minute by 90 times e Inthe Monitoring Data area the list on the upper right specifies the type of statistics to be displayed in the window If you want to view I O rates select LOPS I Os per second from the list If you want to view transfer rates select MB s megabytes per second from the list e The tree contains the Subsystem folder Below the Subsystem folder are por
224. o the port 1C the upper limit on the non prioritized port 2A is disabled when either of the following conditions is satisfied e the I O rate for the port 1A is 200 IO s or lower e the I O rate for the port 1C is 100 IO s or lower Set only one threshold to the entire storage system In network A if you set a threshold of 500 IO s to the storage system the upper limit on the non prioritized port 2A is disabled when the sum of the I O rates for all prioritized ports 1A and 1C goes below 500 IO s For details on how to set a threshold see Upper Limit Control Server Priority Manager Operation 6 5 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide If Many to Many Connections Link HBAs and Ports Figure 6 4 gives an example of a network in which a production server and a development server are connected to the storage system Henceforth this network is referred to as network B The host bus adapter wwn01 in the production server is connected to four ports 1A 1C 2A and 2C The host bus adapters wwn02 and wwn03 in the development server are also connected to the four ports Production server Development server high priority low priority Host bus adapter HBA SPM name wwn02 IWWN 0000000000000002 SPM name wwn03 IWWN 0000000000000003 Host bus adapter HBA SPM name wwn01 IWWN 0000000000000001 Fibre Channel switch CHA channel ad
225. oanens am 2006 05103 03 09 jemi 03 09 To 2006 05 03 03 09 4 Monitoring Switch Enable Gathering Interval 5 min RealTime iz 450 min Apply wan Port LUN LDEV Physical KA Port Current lOPS Ave lOPS Total Max lOPS SPM gy Subsystem PA CL3 A E4 15 20 Current Control E group 1 No Control g000000000000001 SPM O 0000000000000009 SPM 0 0000000000000011 SPM 1 0000000000000019 SPM 2 4 gt a group 2 H group 3 a group 4 BP group 5 Chart Y Axis Rate 5000 F 4 group 6 E group 7 IOPS 2B group 8 5000 4500 4000 3500 3000 2500 2000 1500 1000 500 0 H lt Not Grouped gt CL3 A E4 5 2 21 00 23 00 5 3 01 00 03 00 Ave Gmin Figure 4 11 WWN tab of the Performance Management Window When the WWN tab is active the Performance Management window contains the following items Using the Performance Manager GUI 4 21 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide e When Monitoring Switch is Enable Performance Monitor is monitoring the storage system a Disable setting indicates that the system is not being monitored e Gathering Interval indicates that the statistics are collected at the interval displayed here If the number of the CUs to be monitored is 64 or less the value between 1 and 15 appears as a gathering interval by minutes For example if 1 min is displayed the information obtained every one minute is disp
226. oduction servers greatly increases from 9 00 a m to 3 00 p m and decreases significantly after 3 00 p m upper limit control would suppress performance of development servers even after 3 00 p m Development servers should be free from upper limit control when production servers are not busy Server Priority Manager provides a function called threshold control If threshold control is used upper limit control is automatically disabled when traffic between production servers and the storage system decreases to a certain level A threshold is a value that indicates the timing at which upper limit control is disabled For example if a threshold of 500 IO s 500 I Os per second is applied to the entire storage system development servers are free from the limit on the I O rate i e the number of I Os per second when the number of I Os from all the production servers is below 500 IO s If the number of I Os from the production servers increases and exceeds 500 IO s upper limit control is restored to limit the number of I Os from the development servers again The threshold can be used to control the I O rate the number of I Os per second or the transfer rate the size of data transferred per second For example if a threshold of 20 MB s 20 megabytes per second is set to a storage system the I O rate limit for development servers is disabled when the amount of data transferred between the storage system and all the production servers is belo
227. ol communicates with the SVP via a proxy host In this example the host name of the proxy host is Jupiter and the port name of the proxy host is 8080 Java classpath lib JSanExport jar lib JSanRmiServerSx jar Dhttp proxyHost Jupiter Dhttp proxyPort 8080 Xmx536870912 Dmd command command txt Dmd logpath log sanproject getmondat RJMdMain In the following example a log file named export log will be created in the log directory below the current directory when the Export Tool executes Java classpath lib JSanExport jar lib JSanRmiServerSx jar Xmx536870912 Dmd command command t xt Dmd logfile export log Dmd logpath log sanproject getmondat RJMdMain 7 68 In the above script the lt 1 symbol indicates the end of a command line Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Causes of I nvalid Monitoring Data If the value of monitoring data in CSV files is less than O zero consider the following causes Table 7 25 Causes of Invalid Monitoring Data Invalid Values of Probable Causes Monitoring Data The monitoring data in the CSV file includes 1 The value 1 indicates that Performance Monitor failed to obtain monitoring data Probable reasons are Performance Monitor attempted to obtain statistics when an operation for rebooting the disk array is in progress Performance Monitor att
228. old control 2 14 transfer rate 2 11 2 12 5 26 6 4 U upper limit control 2 14 WwW write hit rate 2 11 write hit ratio 5 26 write pending rate 2 9 I ndex 1 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Index 2 Index Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Hitachi Data Systems Corporate Headquarters 750 Central Expressway Santa Clara California 95050 2627 U S A Phone 1 408 970 1000 www hds com info hds com Asia Pacific and Americas 750 Central Expressway Santa Clara California 95050 2627 U S A Phone 1 408 970 1000 info hds com Europe Headquarters Sefton Park Stoke Poges Buckinghamshire SL2 4HD United Kingdom Phone 44 0 1753 618000 info eu hds com Hitachi Data Systems MK 96RD617 08
229. ompleted RCLDEV_Scheduling_Attempt ZIP 7 12 RCLDEV_Scheduling_Attempt_ XX CSV The number of job activations of consistency manager Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide RCLDEV_Pair_Synchronized ZI RCLDEV_Pair_Synchronized_xx The percentage of completion of copy operations P CSV i e number of synchronized pairs total number of pairs RCLDEV_Out_of_Tracks ZIP RCLDEV_Out_of_Tracks_xx cs The number of tracks that have not yet been v copied by the initial copy or Resync copy operation Note 1 millisecond is one thousandth of 1 second The letters xx in CSV filenames indicate a CU image number For example if the filename is RCLDEV_AII_RIO_10 csv the file contains the total number of remote I Os of the volumes controlled by the CU whose image number is 10 Table 7 13 Files with Statistics about Remote Copy Operations by TC and TC for I BM z OS At CLPR RCCLPR_dat ZIP RCCLPR_SideFile csv Sidefile usage rate percent per CLPR Table 7 14 Files with Statistics about Remote Copy Operations by UR and UR for I BM z OS In the Whole Volumes UniversalReplicator ZIP UniversalReplicator csv The following data in the whole volumes are saved The number of write I Os per second The amount of data that are written per second KB sec The initial copy hit rate percent The average transfer rate
230. on the starting time for collecting monitoring data is assumed If no value is specified on the right of the colon the ending time for collecting monitoring data is assumed The starting and ending times for colleting monitoring data are displayed in the Monitoring Term area in the Performance Management window 7 54 Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Meee From 2006 05 03 01 42 Term Starting time for Ending time for collecting statistics collecting statistics To C Real Time Figure 7 10 Starting and Ending Time for Collecting Monitoring Data yyyyMMddhhmm yyyyMMdd indicates the year the month and the day hhmm indicates the hour and the minute If yyyyMMddhhmm is omitted on the left of the colon the starting time for collecting monitoring data is assumed If yyyyMMddhhmm is omitted on the right of the colon the ending time for collecting monitoring data is assumed hhmm Adds time hhmm to yyyyMMddhhmm if yyyyMMddhhmm is specified For example 200601230000 0130 indicates Jan 23 2006 01 30 Adds time to the starting time for collecting monitoring data if yyyyMMddhhmm is omitted hhmm Subtracts time hhmm from yyyyMMddhhmm if yyyyMMddhhmm is specified For example 200601230000 0130 indicates Jan 22 2006 22 30 Subtracts time from the ending time for collecting monitoring data if yyyyMMddhhmm is omi
231. one row is selected in the list you cannot select the Detail check box LUN LDEV Emulation Paths Current iOPs Ave lOPS Total Max lOPS Response Time ms 0000 00 00 00 OPEN V fs 15 20 2 000 0001 00 00 01 OPEN V 7 65 70 2 050 0002 00 00 02 OPEN V 7 115 120 2 100 Figure 5 17 1 O Rates for LU Paths A Note If the CU is not the monitoring target all items in the row are displayed in italics If you want to monitor those items specify the CU as the monitoring target by using the Monitoring Option window The list displays the following e 4 When the green checkbox icon Ml is displayed on the left of an item the graph displays changes in workload statistics about the item e LUN Indicates LUNs logical unit numbers e LDEV Indicates IDs of volumes in the following format LDKC CU LDEV An ID ending in indicates the volume is an external volume An ID ending in V or X indicates the volume is a virtual volume e Emulation Indicates emulation types e Paths Indicates the number of LU paths i e paths to volumes e Current Indicates the current I O rate e Ave Indicates the average I O rate for the specified period e Max Indicates the maximum I O rate for the specified period 5 42 Performance Monitor Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide e Response Time This column indicates the time for replying from the LU paths w
232. onitoring and Monitoring Options Window The statistics of monitoring data of pool volumes is included in the statistics of monitoring data of V VOLs For this reason the pool volumes are not displayed in LDEV tab Viewing the WWN tab To start monitoring traffic between host bus adapters and storage system ports you must make settings before starting monitoring For details see Monitoring All Traffic between HBAs and Ports and Setting Priority for Host Bus Adapters Displaying monitoring data In lists of the Performance Management window contents a hyphen might be displayed in monitoring data columns It means that the statistics of that monitoring item cannot be collected If the SVP is overloaded more time than the gathering interval allots might be required for updating the display of monitoring data In this case some portion of monitoring data will not be displayed in the window For example suppose that the gathering interval is 1 minute In this case if the display in the Performance Management window is updated at 9 00 and the next update occurs at 9 02 the window including the graph does not display the monitoring result for the period of 9 00 to 9 01 This situation occurs when you use a Storage Navigator computer as well as when the SVP is used to perform maintenance operations for the DKC After you set Monitoring Switch to Enable the SVP might be overloaded for up to 15 minutes if Performance Mon
233. or Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Usage ID Ave Total Max CHPOO 1P 20 82 CHP01 1P 20 82 CHP02 1P 20 82 CHP03 1P 20 82 Figure 5 7 Example of Channel Processors Usage Rates Displayed The list displays the following items e A When the green checkmark icon M is displayed on the left of a channel processor the graph illustrates changes in usage rate for the channel processor e 1D This column displays ID numbers for channel processors e Usage The Ave Total column displays the average usage rate in the specified period The Max column displays the maximum usage rate in the specified period Viewing Usage Statistics on Disk Processors Performance Monitor monitors disk processors DKPs and lets you view the average and the maximum usage rate in a specified period Performance Monitor also displays a graph illustrating changes in disk processor usage within that period To view usage statistics about disk processors 1 Ensure that the Performance Management window is displayed 2 In the tree click the Physical tab 3 In the list above the tree select the storing period of statistics from longrange and shortrange for display For details on the types of storing period of statistics see Understanding Statistical Storage Ranges When you view usage statistics about disk processors the items disp
234. or example if the number of the CUs to be monitored is 64 or less and 1 min is displayed and shortrange is selected as the storing period of statistics the list and graph in the Physical tab display the statistics obtained every one minute In case 65 or more CUs are monitored the statistics are displayed every 5 10 or 15 minutes The gathering interval in long range monitoring is fixed to 15 minutes If you select longrange as the storing period of statistics the list and graph display the statistics obtained every 15 minutes regardless of the value of Gathering Interval For details on the storing period of statistics short range and long range see Understanding Statistical Storage Ranges From the list on the right of Monitoring Data select a range of statistics to view in the window shortrange or longrange Monitoring Data perm longrange Figure 4 2 Storing Period of Statistics Physical Tab The storing period of statistics is the range of monitoring data statistics collected by monitoring that can be displayed You can specify a part of term within the selected range to narrow the statistics to be displayed in the list and graph on the Performance Management window The differences in selecting shortrange and longrange are described in Long Range Storage and Short Range Storage Monitoring Term lets you narrow the range of usage statistics that should be displayed in the window Starting and ending time
235. or initial ZIP XX CSV copy operations Note The letters xx in CSV filenames indicate a CU image number For example if the filename is URLDEV_Read_Record_10 csv the file contains the number of read I Os per second of the volumes controlled by the CU whose image number is 10 Using the Export Tool 7 15 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Preparing for Using the Export Tool This section explains how to prepare for using the Export Tool Requirements for Using the Export Tool The following components are required to use the Export Tool a Windows computer or a UNI X computer The Export Tool runs on Windows computers and UNIX computers that can run Storage Navigator If your Windows or UNIX computer is unable to run Storage Navigator your computer is unable to run the Export Tool For detailed information about computers that can run Storage Navigator see the Storage Navigator User s Guide Java Runtime Environment J RE To be able to use the Export Tool you must install Java Runtime Environment on your Windows or UNIX computer If your computer runs Storage Navigator JRE is already installed on your computer and you can install the Export Tool If your computer does not run Storage Navigator but contains an appropriate version of JRE you can install the Export Tool on your computer The JRE version required for running the Export Tool is the same as the
236. orage system Rename SPM Group SPM Group Name oroup 1 OK Cancel Figure 6 13 Rename SPM Group Window Deleting an SPM Group If you want to delete an SPM group take the following steps To delete an SPM group Server Priority Manager Operation 6 31 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 1 Start Server Priority Manager The Server Priority Manager window is displayed Select the WWN tab In the lower left tree select and right click an SPM group Select Delete SPM Group from the pop up menu eee ae In the Server Priority Manager window click Apply The settings in the window are applied to the storage system 6 32 Server Priority Manager Operation Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Using the Export Tool This chapter explains using the Export Tool O O O O Files to be Exported Preparing for Using the Export Tool Using the Export Tool Command Reference Using the Export Tool 7 1 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Files to be Exported The Export Tool allows you to save monitoring data appearing in the Performance Management window into files The Export Tool also allows you to save monitoring data about remote copy operations into files The Export Tool usually compresses monitoring data in compressed ZIP files To use a
237. orage system performance Chapter 2 Provides an overview of Performance Manager operations About Performance Manager _Operations Chapter 3 Preparing for Explains the preparations for Performance Manager operations Performance Manager Operations Chapter 4 Using the Explains the use of the Performance Manager windows Performance Manager GUI Chapter 5 Performance Explains Performance Monitor operations Monitor Operations Chapter 6 Server Priority Explains Server Priority Manager operations Manager Operation Chapter 7 Using the Export Explains using the Export Tool Tool Chapter 8 Troubleshooting Provides troubleshooting information on Performance Monitor Server Priority Manager and Export Tool Acronyms and Abbreviations Defines the acronyms and abbreviations used in this document Index Lists the topics in this document in alphabetical order Preface ix Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Referenced Documents Hitachi Universal Storage Platform V VM e Hitachi Compatible Mirroring for IBM FlashCopy User s Guide MK 96RD614 e Hitachi Copy on Write Snapshot User s Guide MK 96RD607 e Hitachi Dynamic Provisioning User s Guide MK 96RD641 e Hitachi LUN Manager User s Guide MK 96RD615 e Hitachi Shadow mage for IBM z OS User s Guide MK 96RD619 e Hitachi Shadowl mage Us
238. oring period of statistics the list also displays usage statistics about the cache memory Average and maximum usage rates for the period specified in From and To are displayed If you change the date and time in From and To and then click Apply Performance Monitor recalculates the write pending rates and usage statistics about the cache memory and updates information in the list To change the date and time in From and To use the arrow buttons and the sliders for details see Performance Management Window Physical Tab 5 22 Performance Monitor Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 5 If you want to display a graph illustrating changes in the write pending rate or in usage statistics about the cache memory select the row of the write pending rate in the list and then click Draw The range of monitoring and the gathering interval affects the time period represented by a graduation on the horizontal axis 6 When you select shortrange for the storing period of statistics you can select the item to be illustrated in the graph from the list at the upper right on the graph Select Write Pending to view the write pending rate graph and select Usage to view that of the usage statistics for cache memory The graph will be updated without clicking Draw You can also select the item to be displayed before clicking Draw Chart Y Axis Rate Usage x Usage rite Pending 40 0
239. ormance Manager Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Using the Performance Manager GUI This chapter explains performance manager windows O Using the Performance Monitor Windows O Using the Server Priority Manager Windows Using the Performance Manager GUI 4 1 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Using the Performance Monitor Windows This chapter describes Performance Management windows and operations This chapter explains in the following order each window of Performance Monitor the procedure for starting and stopping monitoring and various operations about obtaining and viewing statistics such as resource usage A Caution If the user type of your user ID is storage partition administrator the functions you can use are limited For details see Storage Partition Administrators Limitations Performance Monitor Window Performance Monitor has the following windows e Performance Management window This window displays the monitoring results about the storage system performance collected by Performance Monitor You can change the information to be viewed by selecting each tab in the tree The information displayed by selecting each tab is as follows Physical tab Displays the usage statistics about resources in the storage system LDEV tab Displays the statistics about workload on disks Port LUN
240. ort Tool saves monitoring data within the 00 15 longrange 000015 The Export Tool saves monitoring data within the 23 45 long range 000115 000115 The Export Tool saves monitoring data within the 22 45 long range 200601010900 000130 200601011700 000130 The Export Tool saves monitoring data within the 15 30 long range 200601010900 000130 200601011700 000130 The Export Tool saves monitoring data within the 18 30 long range 200601010900 000130 Using the Export Tool range of Jan range of Jan range of Jan range of Jan range of Jan range of Jan range of Jan range of Jan range of Jan range of Jan 1 9 30 1 9 30 to 1 0 00 1 0 15 to 1 23 45 to 1 0 00 1 0 00 1 1 15 1 10 30 1 7 30 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide The Export Tool saves monitoring data within the range of Jan 1 7 30 to Jan 2 00 00 Using the Export Tool 7 61 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide outpath Subcommand Syntax outpathA path Description The outpath subcommand specifies the directory to which monitoring data will be exported Operands path Specifies the directory in which files will be saved If the directory includes any non alphanumeric character the directory must be enclosed by double quotation marks If you want to specify a back slash in the
241. ose the number of the page to display Next button allows you to display the next 4 096 resources e The Volume Migration button starts the Volume Migration if that program is enabled and longrange is specified for the display range Volume Migration lets you optimize hard disk drive performance For information on using Volume Migration contact the Hitachi Data Systems Support Center see Calling the Hitachi Data Systems Support Center e The Draw button displays a line graph illustrating changes in usage statistics The graph can display up to eight lines simultaneously e The line graph illustrates changes in usage statistics The vertical axis indicates the usage rates in percentage The horizontal axis indicates dates and or times If you select connected parity groups in the tree the graph displays changes in usage statistics for all the connected parity groups When you illustrate a graph of the following information with specifying shortrange you can select an item to be displayed in the graph from the list on the upper right of the graph Information of external volume groups or external volumes Information of cache memory write pending rates or usage statistics about cache memory In addition when you display information of external volume groups or external volumes you can select the highest value of the Y axis the vertical axis of the graph at the Chart Y Axis Rate list on the upper left of the graph
242. oteCopy_dat ZIP RemoteCopy csv The following data in the whole volumes are saved The usage rate for sidefile cache The total number of remote I Os read and write operations The total number of remote write I Os The number of errors that occur during remote I O The number of initial copy remote I Os The average transfer rate KB sec for initial copy remote I Os The average response time milliseconds for initial copy The number of update copy remote I Os The average transfer rate KB sec for update copy remote I Os The average response time milliseconds for update copy The number of restore copy remote I Os The number of hits of restore copy remote I Os The number of asynchronous update copy remote I Os The number of asynchronous recordsets The average transfer rate KB sec for asynchronous update copy remote I Os The average response time milliseconds for asynchronous update copy The number of scheduled recordsets The number of recordsets that do not arrive during the schedule The number of remaining recordsets when the schedule is completed The number of job activations of consistency manager The percentage of completion of copy operations i e number of synchronized pairs total number of pairs The number of tracks that have not yet been copied by the initial copy or resync copy operation Note 1 millisecond is one thousandth of 1 se
243. ou obtain statistics about the following e resources in your storage system e workloads on disk and ports If your system encounters some problem for example if server hosts suffer delayed response times Performance Monitor can help you detect the cause of the problem Performance Monitor can also display the status of remote copies by TrueCopy TrueCopy for IBM z OS Universal Replicator and Universal Replicator for IBM z OS The displayed contents are the same as those displayed in the Usage Monitor windows of each remote copy function The Export Tool enables you to save information on the Performance Management window into files so you can use spreadsheet or database software to analyze the monitoring results For detailed information about the Export Tool see Overview of Export Tool Understanding Statistical Storage Ranges Performance Monitor has two kinds of periods ranges for collecting and storing statistics short range and long range The difference of the two ranges and the statistics at which they are targeted is as follows e Storing in short range If the number of CUs to be monitored is 64 or less Performance Monitor collects statistics at a user specified interval that is between 1 and 15 minutes and stores them between 1 and 15 days If the number of CUs to be monitored is 65 or more Performance Monitor collects statistics at a user specified interval that is 5 10 or 15 minutes and stores them between
244. oup name is not specified the monitoring data of all the SPM groups will be exported Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide PPCGWWNA SPM group name SPM group name A Use this operand when you want to export statistics about host bus adapters WWNs belonging to SPM groups which are displayed in the WWN tab of the Performance Management window When statistics are exported in a ZIP file the file name will be PPCGWWN_dat ZIP For details on the statistics exported by this operand see Using the Export Tool 7 47 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Table 7 9 When you specify variables SPM group name you can narrow the range of SPM groups whose monitoring data are to be exported SPM group name is the name of an SPM group If the name includes any non alphanumeric character the name must be enclosed by double quotation marks The colon indicates a range For example Grp01 Grp03 indicates a range of SPM groups from GrpO1 to Grp03 Ensure that the SPM group name value on the left of the colon is smaller than the SPM group name value on the right of the colon Numerals are smaller than letters and lowercase letters are smaller than uppercase letters In the following formulae values are arranged so that smaller values are on the left and larger values are on the right 0 lt 1 lt 2 lt lt 9 lt a lt b lt
245. ournals at the primary storage JNL_Asynchronous_Journal cs system v URJNL_M The average transfer rate KB sec for journals in JNL_Asynchronous_Copy_Tran the primary storage system sfer csv URJNL_M The remote I O average response time JNL_Asynchronous_Copy_Res milliseconds on the primary storage system ponse csv URJNL_R The number of asynchronous remote I Os per JNL_Asynchronous_RIO csv second at the secondary storage system URJNL_R The number of journals at the secondary storage JNL_Asynchronous_Journal cs system v URJNL_R The average transfer rate KB sec for journals in JNL_Asynchronous_Copy_Tran the secondary storage system sfer csv URJNL_R The remote I O average response time JNL_Asynchronous_Copy_Res milliseconds on the secondary storage system ponse csv URJNL_M Data usage rate percent for master journals JNL_Data_Used_Rate csv URJNL_M Metadata usage rate percent for master journals JNL_Meta_Data_Used_Rate cs v URJNL_R Data usage rate percent for restore journals JNL_Data_Used_Rate csv URJNL_R Metadata usage rate percent for restore journals JNL_Meta_Data_Used_Rate cs v Note 1 millisecond is one thousandth of 1 second 7 14 Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Table 7 16 Files with Statistics about Remote Copy Operations by UR and UR for IBM z OS For Each Volume LU URLU_dat ZIP URLU_Read_
246. pe of performance statistics to be displayed in the list If LOPS I Os per second is selected the list displays I O rates for WWNs host bus adapters The I O rate indicates the number of I Os per second If MB s megabytes per second is selected the list displays the transfer rates for WWNs host bus adapters The transfer rate indicates the size of data transferred in one second e The list displays a list of WWNs and indicates the I O rate or the transfer rate for each host bus adapter corresponding to the selection in the upper left tree or lower left tree This list also enables you to specify the host bus adapter attributes and the upper limit of the host bus adapter traffic The measurement unit for the values in the list can be specified by the list at the upper left corner of the list The displayed items will change depending on the selected tree and item The host bus adapter traffic I O rate and transfer rate is monitored by Performance Monitor To specify the monitoring period use the Monitoring Term area of Performance Monitor On the right side of the list appear total number of WWNs the number of prioritized WWNs and the number of non prioritized WWNs The list shows the following items 4 36 Using the Performance Manager GUI Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide The WWN column indicates WWNs of host bus adapters This column does not appear when you sele
247. pecify an upper limit value for an SPM group see Setting an Upper Limit Value to HBAs in an SPM Group If one host bus adapter is connected to multiple ports and you specify an upper limit value of the host bus adapter for one port the specified upper limit value will be applied to the host bus adapter settings for other connected ports automatically 7 Click Apply The settings in the window are applied to the storage system The upper limit value that you entered turns black Setting a Threshold If threshold control is used upper limit control is automatically disabled when traffic between production servers and the storage system is reduced to a specified level For details see Upper Limit Control and If Many to Many Connections Link HBAs and Ports If many to many connections are established between host bus adapters and storage system ports you can set one threshold value for the entire storage system In this environment you cannot set individual threshold values for each prioritized WWN To set a threshold value 1 Start Server Priority Manager The Server Priority Manager window is displayed 2 Select the WWN tab 3 Select the All Thresholds check box Server Priority Manager Operation 6 25 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 4 Select LOPS or MB s from the All Thresholds list and do one of the following To specify the threshold value by using the I O ra
248. port name port name A Use this operand when you want to export statistics about host bus adapters WWNs connected to ports which are displayed in the Port LUN tab of the Performance Management window When statistics are exported in a ZIP file the file name will be PortWWN_dat ZIP For details on the statistics exported by this operand see Table 7 6 When you specify variables port name you can narrow the range of ports whose monitoring data are to be exported port name is a port name The colon indicates a range For example cL3 a CcL3 c indicates ports from CL3 a to CL3 c Ensure that the port name value on the left of the colon is smaller than the port name value on the right of the colon The smallest port name value is CL1 A and the largest port name value is CL4 r The following formula illustrates which value is smaller than which value CL1 A lt CL1 B lt lt CL2 A lt CL2 B lt lt CL3 a lt CL3 b lt lt CL4 a lt lt CL4 r For example you can specify PortWWN CL1 C CL2 A but you cannot specify PortWWN CL2 A CL1 c Also you can specify PortWWN CL3 a CL3 c but you cannot specify PortWWN CL3 c CL3 a If port name is not specified the monitoring data of all the host bus adapters will be exported LU A port name host group id port name host group id A Use this operand when you want to export statistics about LU paths which are displayed in the Port LUN tab of the Performanc
249. prioritized port 5 36 Performance Monitor Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Note In the list of Port LUN tab two types of aliases appear for host bus adapters SPM name and nickname If you select a port icon in the tree SPM names defined by Server Priority Manager appear If you select a host group icon in the tree nicknames defined by LUN Manager appear We recommend that you specify the same name for an SPM name and a nickname for convenience of host bus adapter management Initiator External Indicates the port attribute Initiator indicates an initiator port External indicates an external port Both of the ports are not controlled by Server Priority Manager Viewing Transfer Rates for Ports Performance Monitor monitors ports on the storage system and measures transfer rates that is the size of data transferred in one second To view transfer rates 1 2 Ensure that the Performance Management window is displayed Select the Port LUN tab The tree displays a Subsystem folder Select the Subsystem folder The Target folder and the I nitiator External folder are displayed 4 Select MB s from the list on the right side of the window In Monitoring Term do one of the following To view the transfer rate in real time you must select the Real Time option specify the number of recent collections of statistics which should be displayed in t
250. py_RIO csv The number of restore copy remote I Os RCLU_Restore_Copy_Hit csv The number of hits of restore copy remote I Os RCLU_Asynchronous_RIO csv The number of asynchronous update copy remote I Os RCLU_Recordset csv The number of asynchronous recordsets RCLU_Asynchronous_Copy_Tra nsfer csv The average transfer rate KB sec for asynchronous update copy remote I Os RCLU_Asynchronous_Copy_Res ponse csv The average response time milliseconds for the asynchronous update copy of each volume LU RCLU_Scheduling_Recordset cs v The number of scheduled recordsets RCLU_Scheduling_Miss_Record set csv The number of recordsets that do not arrive during the schedule RCLU_Remained_Recordset csv The number of remaining recordsets when the schedule is completed RCLU_Scheduling_Attempt csv The number of job activations of consistency manager RCLU_Pair_Synchronized csv The percentage of completion of copy operations i e number of synchronized pairs total number of pairs RCLU_Out_of_Tracks csv The number of tracks that have not yet been copied by the initial copy or resync copy operation Note 1 millisecond is one thousandth of 1 second Using the Export Tool 7 11 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Table 7 12 Files with Statistics about Remote Copy Operations by TC and TC for I BM z OS At Volu
251. q column indicates sequential write rates A sequential write rate is the ratio of sequential write requests to read and write requests Parity Gr Use Exp This item is displayed only when you select longrange for the storing period of statistics Parity Gr Use Exp assumes the volume might be migrated out of the parity group or uninstalled and indicates expected estimated average and maximum usage rates of the parity group The Ave Total column indicates an estimated change in the average usage rate The Max column indicates an estimated change in the maximum usage rate Performance Monitor Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide For example if the Ave Total box for the volume 0 01 displays 20 gt 18 the average usage rate of the parity group that the volume belongs to is 20 percent If the volume were migrated out of the parity group the average usage rate of that group is expected to drop to 18 percent e Shadow mage This item is displayed only when you select shortrange for the storing period of statistics Shadowl mage indicates the percentage of the processing of the following programs to all the processing of the physical drives for each volume This value is found by dividing access time to physical drives by the following programs by all the access time to physical drives ShadowImage for IBM z OS ShadowImage Compatible FlashCopy Compatible Fla
252. r ZIP RCLDEV_Update_Copy_Transfe r_XX CSV The average transfer rate KB sec for update copy remote I Os RCLDEV_Update_Copy_Respon se ZIP RCLDEV_Update_Copy_Respon Se_XX CSV The average response time milliseconds for the update copy at volumes RCLDEV_Restore_Copy_RIO ZI P RCLDEV_Restore_Copy_RIO_x X CSV The number of restore copy remote I Os RCLDEV_Restore_Copy_Hit ZI P RCLDEV_Restore_Copy_Hit_xx CSV The number of hits of restore copy remote I Os RCLDEV_Asynchronous_RIO ZI P RCLDEV_Asynchronous_RIO_x X CSV The number of asynchronous update copy remote I Os RCLDEV_Recordset ZIP RCLDEV_Recordset_xx csv The number of asynchronous recordsets RCLDEV_Asynchronous_Copy_ Transfer ZIP RCLDEV_Asynchronous_Copy_ Transfer_xx csv The average transfer rate KB sec for asynchronous update copy remote I Os RCLDEV_Asynchronous_Copy_ Response ZIP RCLDEV_Asynchronous_Copy_ Response_xx csv The average response time milliseconds for the asynchronous update copy at volumes RCLDEV_Scheduling_Recordset ZIP RCLDEV_Scheduling_Recordset _XX CSV The number of scheduled recordsets RCLDEV_Scheduling_Miss_Rec ordset ZIP RCLDEV_Scheduling_Miss_Rec ordset_xx csv The number of recordsets that do not arrive during the schedule RCLDEV_Remained_Recordset ZIP RCLDEV_Remained_Recordset _XX CSV The number of remaining recordsets when the schedule is c
253. r access paths between channel adapters and cache memories in short range Usage rates for access paths between disk adapters and cache memories in short range PHY_Long_MPA_SMA csv Usage rates for access paths between channel adapters and the shared memory in long range Usage rates for access paths between disk adapters and the shared memory in long range PHY_Short_MPA_SMA csv Usage rates for access paths between channel adapters and the shared memory in short range Usage rates for access paths between disk adapters and the shared memory in short range PHY_Long_CSW_CMA csv Usage rates for access paths between cache switches and cache memories in long range PHY_Short_CSW_CMA csv Usage rates for access paths between cache switches and cache memories in short range PHY_Long_Write_Pending_Rate CSV Write pending rates in long range PHY_Short_Write_Pending_Rat e CcSV Write pending rates in short range PHY_Short_Cache_Usage_Rate CSV Usage rates for cache memory Notes 1 millisecond is one thousandth of 1 second The letters x y in CSV filenames indicate a parity group or external volume group Both long range and short range statistics are stored for resource usage and write pending rates Table 7 3 Files with Statistics about Parity Groups External Volume Groups or V VOL Groups PG_dat ZIP PG_IOPS csv The number of read and write operations per
254. r left tree select and right click the Subsystem folder From the pop up menu select Add New SPM Group we OY NS In the Add New SPM Group window enter the name of the SPM group and then select OK An SPM group is created An SPM group icon a is added to the lower left tree 6 Select an HBA amp from the upper left tree and select an SPM group from the lower left tree Next click Add WWN Repeat this operation until all the desired HBAs are added to the SPM group Notes Select a host bus adapter from below Monitor You cannot add HBAs from below Non Monitor to SPM groups When you select a host bus adapter which is already contained in some SPM group from the upper left tree the Add WWN button is not activated Select a host bus adapter which is not contained in any SPM groups Windows users can add a host bus adapter to an SPM group by dragging the host bus adapter to the SPM group 6 28 7 Click Apply Server Priority Manager Operation Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide The settings in the window are applied to the storage system Add New SPM Group SPM Group Name group 5 OK Cancel Figure 6 11 Add New SPM Group Window Deleting an HBA from an SPM Group To delete a host bus adapter from the SPM group take the following steps 1 Start Server Priority Manager The Server Priority Manager window is displayed 2 Select the WWN tab
255. r the monitoring data that is specified with the Export Tool does not match the collecting period for monitoring data the Export Tool cannot collect the monitoring data If data of SVP is updated while the monitoring data is being collected the collected monitoring data near the collection start time is 4 Using the Export Tool 7 69 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Invalid Values of Probable Causes Monitoring Data The monitoring data in the When the CU number is not the monitoring target Performance Monitor CSV file includes 5 cannot obtain monitoring data from the CU If the PG LDEV LU RCLU RCLDEV URLU or URLDEV operand is specified the value of the monitoring data is 5 To solve this problem specify the CU as the monitoring target by using the Monitoring Options window of Performance Monitor not by using the Export Tool For details on specifying the CU as the monitoring target see Monitoring Options Window and Table 4 4 If the RemoteCopy UniversalReplicator or URJNL operand is specified the value 5 is not output in the monitoring data though the CU number is not the monitoring target In this case data on monitored CUs are summed up and output into the CSV file 7 70 Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Troubleshooting This chapter gives troubleshooting information
256. rage Platform V VM Hitachi Performance Manager User s Guide If you run the Export Tool without specifying the short range Or long range subcommand the monitoring data in the whole storing period data in the period displayed by the show subcommand will be exported For detailed information about the short range subcommand see short range Subcommand For detailed information about the long range subcommand see long range Subcommand e outpath out This script specifies that files should be saved in the directory named out in the current directory The outpath subcommand specifies the directory in which files should be saved For detailed information about the outpath subcommand see outpath Subcommand option compress This script specifies that the Export Tool should compress monitoring data in ZIP files The option subcommand specifies whether to save files in ZIP format or in CSV format For detailed information about the option subcommand see option Subcommanad e apply The apply subcommand saves monitoring data in files For detailed information about the apply command see apply Subcommand When you install the Export Tool the file command txt will be stored in the export directory The command txt file contains sample scripts for your command file It is recommended that you customize scripts in command txt according to your needs For detailed information about subcommand syntax see Command Reference P
257. raph use the Detail check box to illustrate the desired information and the Chart Y Axis Rate list to arrange the graph as you like Chart Y Axis Rate 2000 b M Detail 2000 1800 1600 1400 NaBH Sequential aun Random 400 CFYy an 5 2 23 00 23 20 23 40 5 3 22 40 00 00 01 01 10 Rate Figure 4 7 Chart Y Axis Rate List and Detail Check Box LDEV Tab Use the Chart Y Axis Rate list to select the highest value of the Y axis the vertical axis of the graph If you select Detail and then click Draw the graph displays detailed statistics as explained in Table 4 2 The information in the graph depends on the item selected in the list on the right Table 4 2 Detailed I nformation that can be Displayed in the Graph LDEV Tab Select Detail and this tem in the The Graph Contains List 10 Rate statistics in sequential access mode Read statistics in random access mode Write statistics in CFW cache fast write mode i Note If the read hit ratio or the write hit ratio is high Read Hit random access mode is used for transferring data instead Write Hit of sequential access mode For example random access mode is likely to be used for transferring data to disk areas to which the Cache Residency Manager function is applied Back Trans the number of data transfers from the cache memory to hard disk drives Cache to Drive the number of data transfers from hard disk drives to the cache
258. re if you use the Monitoring Options window to start or stop monitoring or to change the gathering interval the monitoring settings of these remote copy functions will also change Conversely if the settings in each Usage Monitor window are changed the settings in the Monitoring Options window of Performance Monitor will also change automatically View the Monitoring Results To view the results of monitoring use the Performance Management window of Performance Monitor When you select the Performance Management tab the Performance Management window is displayed In that window select a desired tab in the tree left side in the window and the icons which information you can view are displayed in the tree Select the icon with information you want to view and the statistics obtained in the storage system are displayed in the list on the right side of the tree Performance Management TC Monitor TCz Monitor UR Monitor URz Monitor Monitoring Options Performance Monitor Monitoring J 2006 105 02 02 15 ony I f From 2006 05 02 02 15 2006 01 30 onnemema ten 2006 05 03 02 15 0215 To 2006 05 03 02 15 H m Monitoring Switch Enable Gathering Interval 5min r ha 1Day s Apply wn PortLUN LDEV Physical a io Ep Usage Read Rate Volume Migration Gy Subsystem Ave Total Max Rnd Seq R SQ Parity Group 00 14 00 OPEN V 0 1 2 3
259. recommended that the upper limit be approximately 90 percent of the peak traffic In network A the peak I O rate for the non prioritized port 2A is 200 IO s So the recommended upper limit for 2A is 180 IO s For details on how to set an upper limit see Setting Priority for Ports on the Storage System 4 Check the result of applying upper limit values After applying upper limit values you must measure traffic at ports You must view traffic statistics for prioritized ports 1A and 1C to check whether the host performance is improved to a desirable level In network A the desirable I O rate for ports 1A and 1C is 400 IO s If the I O rate reaches 400 IO s production server performance has reached to a desirable level If production server performance is not improved to a desirable level you can change the upper limit to a smaller value and then apply the new upper limit to the storage system In network A if the upper limit is set to 180 IO s but the I O rate for 1A and 1C is still below 400 IO s the administrator needs to change the upper limit until the I O rate reaches 400 IO s 5 If necessary apply a threshold If you want to use threshold control set threshold values in the Port tab in the Server Priority Manager window You can set threshold values in either of the following ways Set one threshold to each prioritized port In network A if you set a threshold of 200 IO s to the port 1A and seta threshold of 100 IO s t
260. remote URLDEV_XXXXX ZIP Table 7 17 copy operations by 4 Universal Replicator and Universal Replicator for IBM z OS for volumes controlled by a particular CU Notes 1 When you specify the PhyPG PhyLDEV PhyProc or PhyCSW operand you can select the storing period of the monitoring data to be exported from short range or long range When you specify other operands the monitoring data in short range is exported 2 A ZIP file whose name begins with LDEV_ 3 A ZIP file whose name begins with RCLDEV_ 4 A ZIP file whose name begins with URLDEV_ You can use the group subcommand more than one time in a command file For example you can write the following script group PortWWN CL1 A CL1 B group PPCG spmg01 spmg02 group RemoteCopy If an operand is used more than one time in a command file the last operand takes effect In the example below the first group subcommand does not take effect but the second group subcommand takes effect group PortWWN CL1 A CL1 B group PortWWN CL2 A CL2 B Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Using the Export Tool 7 39 Operands PhyPGA Short Long A parity group id parity group id A Use this operand when you want to export statistics about parity group usage rates which are displayed in the Physical tab of the Performance Management window When statistics are exported to a ZIP file the file
261. reparing a Batch File To run the Export Tool you need a batch file The Export Tool starts and saves monitoring data in files when you execute the batch file The installation directory for the Export Tool that is the export directory contains two batch files runWin bat and runUnix bat If your computer runs Windows use runWin bat If your computer runs UNIX use runUnix bat Figure 7 2 illustrates scripts in runWin bat and runUnix bat These batch files include a command line that executes a Java command When you execute your batch file the Java command executes subcommands specified in your command file and then saves monitoring data in files Batch file for Windows computers runWin bat 7 22 Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Java classpath lib JSanExport jar lib JSanRmiServerSx jar Xmx536870912 Dmd command command txt Dmd logpath log sanproject getmondat RJMdMain a pause Batch file for UNIX computers runUnix bat bin sh 4 Java classpath lib JSanExport jar lib JSanRmiServerSx jar Xmx536870912 Dmd command command txt Dmd logpath log sanproject getmondat RJMdMain Figure 7 2 Scripts in Batch Files In the above scripts the symbol indicates the end of a command line If the computer running the Export Tool communicates directly with the SVP you usually do not need to change s
262. repeat this operation The Attribute column displays Prio Right click a low priority port and then select Prio gt gt Non Prio from the pop up menu If there is more than one low priority port repeat this operation The Attribute column displays Non Prio You must set upper limit values for the Non prio specified ports For detail about the setting of upper limit values see Setting Upper Limit Values to Traffic at Non prioritized Ports Click Apply The settings on the window are applied to the storage system Server Priority Manager Operation Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide After priority has been set you can implement the procedure for measuring traffic I O rates and transfer rates see Starting and Stopping Storage System Monitoring Setting Upper Limit Values to Traffic at Non prioritized Ports After you analyze traffic statistics you must set upper limit values to I O rates or transfer rates for non prioritized ports Upper limit values for I O rates are used to suppress the number of I Os from the low priority host servers and thus provide better performance for high priority host servers Upper limit values for transfer rates are used to suppress the amount of data that should be transferred between the storage system and the low priority ports and thus provide better performance for high priority host servers To limit the I O rate or transfer rate of a non pr
263. rformance Monitor Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide A Note If the CU is not the monitoring target all items in the row are displayed in italics If you want to monitor those items specify the CU as the monitoring target by using the Monitoring Option window The list displays the following items e 4 When the green checkmark icon J is displayed on the left of an external volume group the graph illustrates changes in usage statistics for the external volume group e ExG This column indicates IDs of external volume groups The letter E at the beginning of IDs indicates the group is an external volume group e Response Time This column indicates the time for replying from an external volume group when I O accesses are made from USP V VM storage system to the external volume group The unit is milliseconds The average response time in the period specified at Monitoring Term is displayed e Trans This column indicates the sizes of data transferred between the storage system and the external volume group in one second e CLPR This column indicates numbers and names of CLPRs corresponding to each external volume group in the format CLPR number CLPR name For details on CLPRs see the Virtual Partition Manager User s Guide Performance Monitor Operations 5 15 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Viewing Us
264. rformance statistics for some volumes and not display performance statistics for other volumes This can occur if the range of used CUs does not match the range of CUs monitored by Performance Monitor To correctly display performance statistics of a parity group and a LUSE volume you must specify as follows e Specify all volumes belonging to the parity group as the monitoring targets e Specify all volumes making up the LUSE volume as the monitoring targets Overview of Performance Manager Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Server Priority Manager Server Priority Manager lets you tune the system to provide high priority hosts with relatively higher throughput Server Priority Manager can prevent production servers from suffering lowered performance For details see Overview of Server Priority Manager Figure 1 1 illustrates the performance management solution from Hitachi Data Systems Performance Monitoring Base component of performance management Total performance monitoring Performance Monitor Analysis of performance bottleneck Volume Migration Server Priority Mgr Effective use of HDD resource Host 1 O controlling to specific port Load Balanced HDD Arrangement Prioritized Host I O Controlling Data migration tuning to maximize subsystem backend performance Process scheduling to prioritized host I O Figure 1 1 Performance Management Solution Fig
265. ring Options window of Performance Monitor also change automatically Other Windows Apart from the Performance Monitor window and its tabs the Performance Monitor interface also includes the following windows e TC Monitor window This window displays the information about remote copy operation of TrueCopy The contents in this window are the same as those of the Usage Monitor window of TrueCopy For details on the contents in this window see the TrueCopy User s Guide e TCz Monitor window This window displays the information about remote copy operation of TrueCopy for IBM z OS The contents in this window are the same as those of the Usage Monitor window of TrueCopy for IBM z OS For details on the contents in this window see the TrueCopy for IBM z OS User s Guide e UR Monitor window This window displays the information about remote copy operation of Universal Replicator The contents in this window are the same as those of the Usage Monitor window of Universal Replicator For details on the contents in this window see the Universal Replicator User s Guide Using the Performance Manager GUI 4 29 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide e URz Monitor window This window displays the information about remote copy operation of Universal Replicator for IBM z OS The contents in this window are the same as those of the Usage Monitor window of Universal Replicator for IBM z OS For detai
266. rity HBA a non prioritized WWN Performance Monitor Operations 5 47 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Viewing Transfer Rates between HBAs Performance Monitor monitors traffic between HBAs in the hosts and ports on the storage system and measures transfer rates that is the size of data transferred in one second To view transfer rates 1 2 5 48 Ensure that the Performance Management window is displayed Select the WWN tab The tree displays a list of SPM groups B Below SPM groups an item named Not Grouped is displayed To display host bus adapters B in the SPM group double click an SPM group To display host bus adapters B that do not belong to any SPM group double click Not Grouped Select MB s from the list on the right side of the window In Monitoring Term do one of the following To view the transfer rate in real time you must select the Real Time option specify the number of recent collections of statistics which should be displayed in the graph and then click Apply To view transfer rates for a certain period of time in the last 24 hours you must select the From option change the date and time in the From and To boxes and then click Apply Use the arrow button and the sliders when you change the date and time in the From and To boxes For details on the Real Time option and the From option see WWN Tab of the Performance Monitor Wi
267. rity groups see Viewing Usage Statistics on Parity Groups 2 4 About Performance Manager Options Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Volume Usage Statistics Performance Monitor displays the average and maximum usage including sequential and random access of each volume LDEV in a parity group The volume usage is the time in use sequential and random access of the physical drives of each LDEV averaged by the number of physical drives in the parity group If the monitor data shows overall high volume usage you should consider installing additional hardware e g HDDs DKAs cache If the monitor data shows that volume usage is not balanced you can use Volume Migration to migrate high usage volumes to higher HDD classes and or to lower usage parity groups The volume usage data can also be used to analyze the access characteristics of volumes and determine the appropriate RAID level and or HDD type for the volumes For information on using Volume Migration contact the Hitachi Data Systems Support Center see Calling the Hitachi Data Systems Support Center For details on how to view usage statistics about volumes see Viewing Usage Statistics on Volumes in Parity Groups External Volume Group Usage Statistics If the USP V VM storage system is connected to an external storage system by Universal Volume Manager Performance Monitor can also monitor the usage conditions on external
268. rm V VM Hitachi Performance Manager User s Guide Apart from the items listed above Performance Monitor also displays additional information about hard disk drive workloads For details on how to view workload statistics about hard disk drives see Monitoring Hard Disk Drives Port Traffic Statistics Performance Monitor tracks host ports and storage system ports to obtain statistics about I O rates and transfer rates at these ports If you analyze these I O rates and transfer rates you can determine which hosts issue a lot of I O requests to the disk and which hosts transfer a lot of data to the disk For details on how to view statistics about traffic at ports see Monitoring Ports You will be unable to view workload statistics that expired a specific storing period because such statistics are erased from the storage system The storing period of statistics is only short range between 8 hours to 15 days and that changes depending on the collecting interval specified by the user For details on the storing period of statistics see Understanding Statistical Storage Ranges Important Performance Monitor can obtain statistics about traffics of ports connected to open system host groups only The statistics about traffics of ports connected to mainframe host groups cannot be obtained LU Paths Traffic Statistics Performance Monitor tracks LU paths to obtain statistics about I O rates and transfer rates at these LU paths If you analyze
269. roups or V VOL groups per second PG_C2D_Trans csv The number of data transfer operations from cache memories and hard disk drives i e parity groups external volume groups or V VOL groups PG_D2CS_Trans csv The number of data transfer operations from hard disk drives i e parity groups external volume groups or V VOL groups to cache memories in sequential access mode PG_D2CR_Trans csv The number of data transfer operations from hard disk drives i e parity groups external volume groups or V VOL groups to cache memories in random access mode PG_Response csv The average response time microsecond at parity groups external volume groups or V VOL groups Note 1 microsecond is one millionth of 1 second Table 7 4 Files with Statistics about Volumes in Parity External Volume Groups or in V VOL Groups LDEV_IOPS ZIP LDEV_IOPS_x y csv The number of read and write operations per second LDEV_TransRate ZIP LDEV_TransRate_x y csv The size of data transferred per second KB sec LDEV_Read_IOPS ZIP LDEV_Read_IOPS_x y csv The number of read operations per second LDEV_Seq_Read_IOPS ZIP LDEV_Seq_Read_IOPS_x y csv The number of sequential read operations per second LDEV_Rnd_Read_IOPS ZIP LDEV_Rnd_Read_IOPS_x y csv The number of random read operations per second LDEV_CFW_Read_IOPS ZIP LDEV_CFW_Read_IOPS_x y csv The number of read operations in cache fast
270. rrect the specified option Some file exists in path What do you do clear c update u stop p You selected action Is it OK y n Files exist in path If you want to clear the files press the lt c gt key If you want to overwrite the files press the lt u gt key If you want to stop the operation press the lt p gt key When you press a key a message appears and asks whether to perform the specified action To perform the specified action press the lt y gt key To cancel the specified action press the lt n gt key Specify the following subcommand before login subcommand retry The retry subcommand is written in an incorrect position in the command file Write the retry subcommand before the login subcommand Troubleshooting Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Possible Problems Probable Causes and Recommended Action Start gathering group data Target xxx Total yyy End gathering group data The Export Tool starts collecting data specified by the group subcommand The number of targets is xxx and the total number is yyy refer to Note below The Export Tool ends collecting data A Note For example suppose that the storage system contains 100 parity groups and the command file contains the following command line group PG 1 1 1 2 The Export Tool displays the message Target 2 Total 100 which means that the group subcomman
271. rts The WWN Port column contains the following columns Ave Indicates the average I O rate or the average transfer rate for the specified period Max Indicates the maximum I O rate or the maximum transfer rate for the specified period The Ave column is also displayed when you select an icon in the lower left tree In this case the Ave column shows the average value same as that of WWN Total When you select the Subsystem folder in the lower left tree the Ave column shows the sum of the traffic of the host bus adapters registered on each SPM group The Max column is also displayed when you select an icon in the lower left tree In this case the Max column shows the maximum value same as that of WWN Total When you select the Subsystem folder in the lower left tree the Max column shows the sum of the traffic of the host bus adapters registered on each SPM group Using the Performance Manager GUI 4 37 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide The Attribute column indicates the priority of each WWN Prio indicates a prioritized WWN Non Prio indicates a non prioritized WWN For details on how to change the priority see Setting Priority for Host Bus Adapters If one host bus adapter connects to multiple ports the attribute setting of the host bus adapter is common to all the ports Therefore if you specify a host bus adapter as a prioritized WWN or a non prioritized
272. rver Priority Manager monitors write I O requests issued from initiator ports of your storage system About Performance Manager Options 2 19 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 2 20 Note on using the remote copy functions When the remote copy functions TrueCopy TrueCopy for IBM z OS Universal Replicator and Universal Replicator for IBM z OS are used in your environment Server Priority Manager monitors write I O requests issued from initiator ports of your storage system If you specify an RCU target port as a prioritized port I O requests from the initiator port will not be a target of threshold control If you specify an RCU target port as a non prioritized port I O requests from the initiator port will not be a target of upper limit control Note on the statistics of I nitiator External ports The initiator ports and external ports of your storage subsystem are not controlled by Server Priority Manager Although you can set Prioritize or Non Prioritize to initiator ports and external ports by using Server Priority Manager the initiator ports and the external ports become the prioritized ports that are not under threshold control regardless of whether the setting of the ports are Prioritize or Non Prioritize If the port attributes are changed from Initiator External into Target RCU Target the settings by Server Priority Manager take effect instantly and the ports are subject to t
273. s WWNs b Click Draw Caution If the graph does not display changes in the transfer rate for example if the line in the graph runs vertically it is recommended that you change the value in the Chart Y Axis Rate list For example if the largest value in the list is 200 and the value in Chart Y Axis Rate is 100 you should select a value larger than 200 from Chart Y Axis Rate All Prio 1 499 1 an 1 999 Prio AllNon Prio 1 498 1 998 1 998 Non Prio Transfer rate for ports when the Sayan folder is selected kaj Pon curentmers ave nevexrotan_ Peakmes Response Time ms Attribute All Prio indicates all the prioritized ports All Non Prio indicates all the non prioritized ports Transfer rate for ports When the Target folder is selected kA Port Current MB s Ave MBis Total Peak MB s Response Time ms Attribute CL1 A E8 1 500 2 000 2 000 Prio CL3 A E4 1 549 2 049 2 050 Non Prio CL5 A E2 1 598 2 098 2 100 Non Prio CL A E1 1 646 2 146 2 150 Prio CL1 B E0 1 695 2 195 2 200 Prio CL3 B DC 1 744 2 244 2 250 Non Prio CL5 B DA 1 793 2 293 2 300 Non Prio 1 O rate for ports When the I nitiator External folder is selected BA ss Pot Ss Currentonere Ave cHBvey lt TotaD Peak MBis Response Time ms _Initiator External CL1 E D6 1 891 2 391 2 400 Initiator CL3 E 1 E 2nd D5
274. s are not monitored by Performance Monitor When many to many connections are established between HBAs and ports you should make sure that all the traffic between HBAs and ports is monitored For details on the measures when a WWN is displayed in red see Monitoring All Traffic between HBAs and Ports Transfer rate at host bus adapters Displayed when an SPM group or Not Grouped is selected Al ww SPM Name Current MB s Ave MB s Total Max MBis Response Time ms Attribute oo00000000000001 SPM 1 1 549 2 049 2 050 Non Prio oooo000000000009 SPM 9 i 1 939 2 439 2 450 Non Prio 0000000000000011 SPM 17 2 330 2 830 2 850 Non Prio 0000000000000019 SPM 25 2 721 3 221 3 250 Non Prio Transfer rate at each SPM group Displayed when the Subsystem folder is selected Al Group current wtBs Ave MBis Total Max MB s Response Time ms Attribute group 1 1 549 2 049 2 050 Non Prio group 2 1 598 2 098 2 100 Non Prio group 3 1 646 2 146 2 150 Non Prio group 4 1 695 2 195 2 200 Non Prio lt Not Grouped 1 500 2 000 2 000 Transfer rate at each port connected to a specified host bus adapter Displayed when a host bus adapter is selected KA Port CurrentMBs Ave MBis Total Max MB s Response Time ms Attribute CL1 A 4 500 2 000 2000 Prio cus 3 063 3 563 3 600 Non Prio Figure 5 2
275. s for collecting statistics are displayed on both sides of the slide bar Performance Monitor stores the monitoring data between these times and you can specify the desired term within this range as the target of display in lists and graphs For example if you want to view usage statistics within the range of 10 30 July 1 2006 to 22 30 July 31 2006 you set 2006 07 01 10 30 to the From box set 2006 07 31 22 30 to the To box and then click Apply To set a date and time in From and To do either of the following Move the slider to the left or to the right Inthe text box select the number that you want to change Next click the upward or downward arrow button Using the Performance Manager GUI Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide When you specify dates and time in From and To Performance Monitor calculates the length of the specified period and displays the calculated length The length of the period is displayed in days when you select longrange and it is displayed in minutes when you select shortrange Notes From and To are unavailable if the monitoring data that is usage statistics is not stored in the storage system The Real Time option is unavailable when the Physical tab is active e Inthe Monitoring Data area the list on the upper right specifies the type of statistics to be displayed in the window When the Physical tab is active the list contains only on
276. s ie a a A A 8 1 Acronyms and Abbreviations Index Contents v Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide vi Contents Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Preface This document describes and provides instructions for using the following Performance Manager software for performing operations on the Hitachi Universal Storage Platform V and Hitachi Universal Storage Platform VM USP V VM storage systems e Performance Monitor e Server Priority Manager henceforth referred to as SPM Please read this document carefully to understand how to use this product and maintain a copy for reference purposes This preface includes the following information Intended Audience Product Version Document Revision Level Source Document s for this Revision Changes in this Revision Document Organization Referenced Documents Document Conventions Convention for Storage Capacity Values Getting Hel Comments OHOOAAnDAAAAAn O Notice The use of Performance Manager software and all other Hitachi Data Systems products is governed by the terms of your agreement s with Hitachi Data Systems Preface vii Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Intended Audience This document is intended for system administrators Hitachi Data Systems representatives and Authorized Service Providers who are invol
277. s on a parity group If the CU is not the monitoring target all items in the row are displayed in italics If you want to monitor those items specify the CU as the monitoring target by using the Monitoring Option window The list displays the following Performance Monitor Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide e KA When the green checkmark icon M is displayed on the left of an item the graph displays workload statistics about the parity group the external volume group or the volume e PG Indicates the parity group ID or the external volume group ID If the ID starts with the letter E the group is an external volume group e LDEV Indicates the volume ID If the ID ends with the symbol the volume is a an external volume e Emulation Indicates the emulation type e Trans Indicates the size in megabytes of data transferred to the parity group the external volume group or the volume per second e Read Hit Indicates the read hit ratio e Write Hit Indicates the write hit ratio e Back Trans Indicates the number of data transfers per second between the parity group or the external volume group or the volume and the cache memory e Response Time This column indicates the time for replying from the parity group the external volume group or the volume when I O accesses are made from the host to them The unit is milliseconds The average response
278. sal Storage Platform V VM Hitachi Performance Manager User s Guide Monitoring LU Paths Performance Monitor monitors LU paths and measures I O rates that is the number of I Os per second and transfer rates that is the size of data transferred per second This section describes how to view I O rates and transfer rates of LU paths on the storage system Before taking the following steps you need to start monitoring in accordance with the procedure described in Starting and Stopping Storage System Monitoring and obtain the usage Statistics The traffic statistics reported for an LU is aggregated across all LU paths defined for an LU e I O rate is the sum of I Os across all LU paths defined for an LU e Transfer rate is the total transfer rate across all LU paths defined for an LU e Response time is the average response time across all LU paths defined for an LU Viewing LU Paths I O Rates Performance Monitor monitors LU paths and measures I O rates that is the number of disk I Os per second To view I O rates 1 Ensure that the Performance Management window is displayed 2 Select the Port LUN tab The tree displays a list of ports on the storage system 3 Select LOPS from the list on the right side of the window 4 In Monitoring Term do one of the following To view the I O rate in real time you must select the Real Time option specify the number of recent collections of statistics which should be displayed in th
279. second PG_TransRate csv The size of data transferred per second KB sec PG_Read_IOPS csv The number of read operations per second PG_Seq_Read_IOPS csv The number of sequential read operations per second PG_Rnd_Read_IOPS csv The number of random read operations per second PG_CFW_Read_IOPS csv The number of read operations in cache fast write mode per second PG_Write_IOPS csv The number of write operations per second PG_Seq_Write_IOPS csv The number of sequential write operations per second PG_Rnd_Write_IOPS csv The number of random write operations per second 7 4 Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide PG_CFW_Write_IOPS csv The number of write operations in cache fast write mode per second PG_Read_Hit csv The read hit ratio PG_Seq_Read_Hit csv The read hit ratio in sequential access mode PG_Rnd_Read_Hit csv The read hit ratio in random access mode PG_CFW_Read_Hit csv The read hit ratio in cache fast write mode PG_Write_Hit csv The write hit ratio PG_Seq_Write_Hit csv The write hit ratio in sequential access mode PG_Rnd_Write_Hit csv The write hit ratio in random access mode PG_CFW_Write_Hit csv The write hit ratio in cache fast write mode PG_BackTrans csv The number of data transfer operations between cache memories and hard disk drives i e parity groups external volume g
280. see Viewing Workload Statistics on LU Paths Viewing Port Workload Statistics Figure 4 10 shows an example of a graph displaying information about workload of a port In this example port CL1 A was selected in the list before clicking Draw In this example 1 minute is specified as the gathering interval The graph contents changes depending on the selection of the Detail check box The figure shows the following The workload on the port CL1 A is 200 IO s at 8 00 and 300 IO s at 10 00 refer to the graph on the left For the period of 7 59 to 8 00 the maximum workload on CL1 A is 300 IO s The average workload on CL1 A is 200 IO s The minimum workload on CL1 A is 100 IO s refer to the graph on the right For the period of 9 59 to 10 00 the maximum workload on CL1 A is 400 IO s The average workload on CL1 A is 300 IO s The minimum workload on CL1 A is 200 IO s refer to the graph on the right When Detail is deselected only one line appears in the graph This line is equivalent to the line Ave 1 min which appears when Detail is selected I O rateC lOPS V O rate IOPS Max 1 min 400 400 gt Ave 1 min 300 CLI A 300 Min 1 min 200 200 100 100 Time Time 08 00 10 00 08 00 10 00 If the Detail check box is deselected If the Detail check box is selected Figure 4 10 Graphs Illustrating Changes in Workloads on a Port Using the Performance Manager GUI 4 19 Hitachi Universal Storage P
281. service information message SLPR storage management logical partition SM shared memory SMPL simplex SPM Server Priority Manager S VOL secondary volume SVP service processor TB terabyte see Convention for Storage Capacity Values TC TrueCopy TCz TrueCopy for IBM z OS UR Universal Replicator USP Universal Storage Platform VLL Virtual LVI LUN V VOL virtual volume Snapshot Image WWN world wide name Acronyms 2 Acronyms and Abbreviations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide A access path 2 10 C CHA Refer to channel adapter channel adapter 2 6 channel processor 2 6 CHP Refer to channel processor D data recovery and reconstruction processor 2 9 development server 2 13 disk adapter 2 6 disk processor 2 6 DKA Refer to disk adapter DKP Refer to disk processor DRR Refer to data recovery and reconstruction processor H HBA Refer to host bus adapter host bus adapter 2 13 4 21 5 45 6 2 l I O rate 2 11 2 12 5 26 6 4 N nickname 5 36 5 39 non prioritized port 6 14 non prioritized port 6 3 non prioritized WWN 6 8 6 22 P parity group 2 4 Performance Manager system requirements 3 2 prioritized port 6 3 6 14 Index Index prioritized WWN 6 8 6 22 production server 2 13 R read hit ratio 2 11 5 26 real time mode 4 16 S SPM group 6 28 SPM name 5 36 5 39 5 47 5 50 T threshold 2 14 thresh
282. shCopy V2 Volume Migration For information on using Volume Migration contact the Hitachi Data Systems Support Center see Calling the Hitachi Data Systems Support Center Copy on Write Snapshot The Ave Total column displays the average percentage of processing of the above programs in the specified period The Max column displays the maximum percentage of processing of the above programs in the specified period For details on the above programs see the respective user s guides e CLPR This column indicates numbers and names of CLPRs corresponding to each parity group which the volume belongs to in the format CLPR number CLPR name For details on CLPRs see the Virtual Partition Manager User s Guide Performance Monitor Operations 5 13 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Viewing Usage Statistics on External Volume Groups Performance Monitor monitors external volume groups and lets you view the usage statistics of external volume groups in a specified period Performance Monitor also displays a graph illustrating changes in the usage statistics of external volume groups within that period You can view the usage statistics about external volume groups only when you select shortrange for the storing period of statistics To view usage statistics about external volume groups 1 Ensure that the Performance Management window is displayed 2 In the tree click the Physi
283. steps a In the list select the parity group s the external volume groups or the volume s that you want b Use the list on the right to select the type of information that you want to view in the graph For details on the information that can be displayed see Table 4 1 c Click Draw A graph appears below the list The horizontal axis indicates the time A Caution If the graph does not display changes in the transfer rate for example if the line in the graph runs vertically it is recommended that you change the value in the Chart Y Axis Rate list For example if the largest value in the list is 200 and the value in Chart Y Axis Rate is 100 you should select a value larger than 200 from Chart Y Axis Rate d If you want to view more detailed information in the graph use the list on the right to select the type of information that you want Next select the Detail check box at the lower right of the list and then click Draw The detailed graph contents change as described in Table 4 2 Performance Monitor Operations 5 31 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide A Caution If more than one parity group or volume is selected in the list you cannot select the Detail check box to view detailed information Transfer rate for parity groups and external volume groups When the Subsystem folder is selected D ee Read Htc 1 4 6 5 00 CLPRO 1
284. tab Displays the statistics about traffic at ports and LU paths in the storage system WWN tab Displays the statistics about traffic at path between host bus adapters and ports This section explains the contents of the tabs in the Performance Management window and the contents of the Monitoring Options window 4 2 Using the Performance Manager GUI Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Performance Management Window Physical Tab When you click Go Performance Manager and then Performance Management on the menu bar of the Storage Navigator main window Performance Monitor starts and the Performance Management window is active The Performance Management window includes the Physical tab which lets you view usage rates for parity groups volumes channel processors disk processors etc In addition when you use Universal Volume Manager to map volumes in an external storage system storage system other than USP V VM to the internal volumes the Physical tab also lets you view usage conditions of volumes in the external storage system i e external volumes and the groups of external volumes For details on how to use this window see Monitoring Resources in the Storage System Performance Management TC Monitor TCz Monitor UR Monitor URz Monitor Monitoring Options i Performance Monitor Monitoring Py 2006 105 02 02 15 ftom torn a 2008 05 102 02 15 4 2006 01 30
285. tachi Performance Manager User s Guide 4 Click SPM The Server Priority Manager window is displayed Use the Port tab if one to one connection is established between host bus adapters and storage system ports For details on operations in the Port tab see Port Tab Operations Use the WWN tab if many to many connection is established between host bus adapters and storage system ports For details on operations in the WWN tab see WWN Tab Operations 6 12 Server Priority Manager Operation Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Port Tab Operations If one to one connections are established between host bus adapters HBAs and storage system ports use the Port tab in the Server Priority Manager window to do the following e Analyze traffic statistics e Measure traffic between host bus adapters and storage system ports e Set priority to ports on the storage system e Set an upper limit to traffic at each non prioritized port e Seta threshold to the storage system or to each prioritized port if necessary If one to one connections are established between host bus adapters and ports you should specify the priority of I O operations on each port You can specify the upper limit values on the non prioritized ports and if necessary you can also specify the threshold values on the prioritized ports Moreover you can use one threshold value applied for the entire storage system For d
286. tatistics about parity groups external volume groups or V VOL groups which are displayed in the LDEV tab of the Performance Management window When statistics are exported to a ZIP file the file name will be PG_dat ZIP For details on the statistics exported by this operand see Table 7 3 When you specify variables parity group id exg id or V VOL group id you can narrow the range of parity groups external volume groups or V VOL groups whose monitoring data are to be exported parity group id is a parity group ID exg id is an ID of an external volume group V VOL group id is V VOL group ID The colon indicates a range For example 1 1 1 5 indicates parity groups from 1 1 to 1 5 1 1 E 1 5 indicates external volume groups from E1 1 to E1 5 vi 1 v5 1 indicates V VOL groups from vi 1 to v5 1 X1 1 x5 1 indicates V VOL groups from x1 1 to x5 1 Ensure that the parity group id exg id or V VOL group id value on the left of the colon is smaller than the parity group id exg id or V VOL group id value on the right of the colon For example you can specify PG 1 1 1 5 but you cannot specify pc 1 5 1 1 Also you can specify PG 1 5 2 1 but you cannot specify PG 2 1 1 5 If neither of parity group id exg id nor V VOL group id is specified the monitoring data of all the parity groups external volume groups and V VOL group will be exported LDEVA parity group id V VOL group id exg id parity group id V VOL gro
287. te select 1OPS from the list below the check box To specify the threshold value by using the transfer rate select MB s from the list below the check box Even if the types of rates differ between the upper limit values and the threshold value the threshold control is effective for all the non prioritized WWNs 5 Enter the threshold in the text box of All Thresholds 6 Click Apply The settings in the window are applied to the storage system Changing the SPM Name of a Host Bus Adapter The Server Priority Manager window allows you to assign an SPM name to a host bus adapter HBA Although you can identify HBAs by WWNs Worldwide Names you will be able to identify HBAs more easily if you assign SPM names WWNSs are 16 digit hexadecimal numbers and cannot be changed However SPM names should not necessarily be 16 digit hexadecimal numbers and can be changed The following is the procedure for changing an already assigned SPM name For details on how to assign an SPM name see Monitoring All Traffic between HBAs and Ports To change an SPM name 1 Start Server Priority Manager The Server Priority Manager window is displayed 2 Ensure that the WWN tab is displayed 3 In the upper left tree select a host bus adapter 8B from below Monitor and then right click the selection 4 From the pop up menu select Change WWN and SPM Name The Change WWN and SPM Name window is displayed 5 Enter a new SPM name in the SPM Nam
288. tes the volume is an external volume Emulation This column indicates device emulation types Response Time This column indicates the time for replying from an external volume when I O accesses are made from USP V VM storage system to the external volume The unit is milliseconds The average response time in the period specified at Monitoring Term is displayed Trans This column indicates the sizes of data transferred between the storage system and the external volume in one second CLPR This column indicates numbers and names of CLPRs corresponding to each external volume group which the external volume belongs to in the format CLPR number CLPR name For details on CLPRs see the Virtual Partition Manager User s Guide Performance Monitor Operations 5 17 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Viewing Usage Statistics on Channel Processors Performance Monitor monitors channel processors in each channel adapter and lets you view the average and the maximum usage rate in a specified period Performance Monitor also displays a graph illustrating changes in channel processor usage within that period To view usage statistics about channel processors 1 Ensure that the Performance Management window is displayed 2 In the tree click the Physical tab 3 In the list above the tree select the storing period of statistics from longrange and shortrange for display For details on the
289. text editor or spreadsheet software to view or edit the monitoring data you usually need to decompress the ZIP files to extract CSV files However if you want the Export Tool to save monitoring data in CSV files instead of ZIP files you can force the Export Tool to do so Table 7 1 shows the correspondence between the Performance Monitor windows and the monitoring data that can be saved by the Export Tool For details on the ZIP files and CSV files that are saved refer to the tables indicated in the See column Table 7 1 Performance Management Windows and Monitoring Data Saved by the Export Tool Physical tab in the Statistics about resource usage and write pending rates Table 7 2 Performance Management Window LDEV tab in the Statistics about parity groups external volume groups or V Table 7 3 Performance VOL groups Management window 0 3 f Statistics about volumes in parity groups in external volume Table 7 4 groups or in V VOL groups Port LUN tab in the Statistics about ports Performance Table 7 5 Management window Statistics about host bus adapters connected to ports Table 7 6 Statistics about volumes LUs Table 7 7 WWN tab in the Statistics about SPM groups Table 7 8 Performance Bp Management window Statistics about host bus adapters belonging to SPM groups Table 7 9 TC Monitor window Statistics about remote copy operations by TrueCopy and Table 7 10 and TrueCopy for IBM z OS in the w
290. tform V VM Hitachi Performance Manager User s Guide long range Subcommand Syntax long rangeA yyyyMMddhhmm ddhhmm yyyyMMddhhmm ddhhmm Description The long range subcommand enables you to specify a term of monitoring data to be exported into files Use this subcommand when you want to narrow the export target term within the stored data The long range subcommand is valid for monitoring data in long range The monitoring data in long range is the contents displayed in the Physical tab of the Performance Management window with selecting long range as the storing period The monitoring items whose data can be stored in long range are limited Table 7 24 shows the monitoring items to which the long range subcommand can be applied and also shows the operands to export those monitoring items Table 7 24 Monitoring I tems To Which the long range Subcommand Can be Applied Usage statistics about parity groups PhyPG Long Usage statistics about volumes PhyLDEV Long Usage statistics about channel processors disk processors PhyProc Long and data recovery and reconstruction processors Usage statistics about access paths and write pending rate PhyCSW Long If you run the Export Tool without specifying the long range subcomman4d the data stored in the whole monitoring term will be exported The login subcommand must execute before the long range subcommand executes Operands The value on the
291. the WWN combo box If you are using Windows you can drag the WWN of the new host bus adapter displayed below Non Monitor and drop it to Monitor If necessary enter a new SPM name in the SPM Name box You can use up to 16 characters for an SPM name Select OK to close the Change WWN and SPM Name window In the Server Priority Manager window click Apply The settings in the window are applied to the storage system Server Priority Manager Operation 6 27 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Grouping Host Bus Adapters Server Priority Manager allows you to create an SPM group to contain multiple host bus adapters All the host bus adapters HBAs in one SPM group must be of the same priority Prioritized WWNs i e high priority HBAs and non prioritized WWNs i e low priority HBAs cannot be mixed in the same group You can use an SPM group to switch priority of multiple HBAs from prioritized to non prioritized or vice versa You can also use an SPM group to set the same upper limit value to all the HBAs in the group Containing Multiple HBAs in an SPM Group A host bus adapter can be contained in only one SPM group To create an SPM group and contain multiple host bus adapters in the group take the following steps To contain multiple HBAs in an SPM group 1 Start Server Priority Manager The Server Priority Manager window is displayed Select the WWN tab In the lowe
292. the Export Tool multiple times for different periods rather than run only once to export the entire time span as a single large file For example if you want to export statistics spanning 24 hours run the tool eight times to export statistics in three hour increments Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Table 7 19 Estimate of Time Required for Exporting Files Operand for the Estimated Time Group Subcommand Port 5 minutes This estimate assumes that the Export Tool should save statistics about 128 ports within a 24 hour period PortWWN 5 minutes This estimate assumes that the Export Tool should save statistics about 128 ports within a 24 hour period PPCG 5 minutes This estimate assumes There are eight SPM groups and eight WWNs are registered on each SPM group There is a WWN that is not registered on any SPM group The Export Tool should save statistics about SPM groups and WWNs described above within a 24 hour period LDEV 60 minutes This estimate assumes The Export Tool should save statistics about 8 192 volumes within a 24 hour period The Export Tool is used eight times Each time the Export Tool is used the tool obtains statistics within a 3 hour period LU 60 minutes This estimate assumes The Export Tool should save statistics about 12 288 LUs within a 24 hour period The Export Tool is used eight times Each time the
293. the cache memory e Paths between channel adapters and the shared memory e Paths between disk adapters and the shared memory For details on how to view usage statistics about access paths see Viewing Usage Statistics on Access Paths 2 10 About Performance Manager Options Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Hard Disk Drive Workload Statistics If particular hard disk drives or data are heavily accessed system performance might deteriorate Performance Monitor lets you view statistics about parity groups and logical devices to help you detect bottlenecks in your system If you mapped volumes in an external storage system Performance Monitor can also monitor the access workloads of the external volume groups and the external volumes Performance Monitor displays a line graph indicating changes in access workloads so that you can detect the peak I O access times You will be unable to view workload statistics that expired a specific storing period because such statistics are erased from the storage system The storing period of statistics is only short range between 8 hours to 15 days and that changes depending on the collecting interval and the number of CUs to be monitored specified by the user For details on the storing period of statistics see Understanding Statistical Storage Ranges Workload information mainly displayed by Performance Monitor is as follows e I O rate The I O rate
294. the list is activated depending on the selection from the list above 4 32 Using the Performance Manager GUI Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide The LOPS column lets you specify the upper limit for I O rates The MB s column lets you specify the upper limit for transfer rates To specify an upper limit double click a cell to display the cursor in the cell If you specify a value in either of the LOPS or MB s column the other column is deactivated You can specify upper limit values for I O rates and transfer rates all together for different non prioritized ports e If you select the All Thresholds check box and enter a threshold value in the text box the threshold value will be applied to the entire storage system If you want to specify the threshold for the I O rate select l1OPS from the list on the right of the text box If you want to specify the threshold for the transfer rate select MB s from the list For example if you specify 128 IOPS in All Thresholds the upper limits on non prioritized ports are disabled when the sum of I O rates for all the prioritized ports is below 128 IOPS Even if you use the different type of rate IOPS or MB s for the threshold as that used for the upper limit values the threshold control can work for all the ports e If you check the Delete ports if CHA is removed check box Server Priority Manager will delete from SVP the setting information of S
295. time in the period specified at Monitoring Term is displayed This column displays a hyphen if the I O rate is O zero e CLPR This column indicates numbers and names of CLPRs corresponding to each parity group external volume group or volume in the format CLPR number CLPR name For details on CLPRs see the Virtual Partition Manager User s Guide Performance Monitor Operations 5 33 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Monitoring Ports Performance Monitor monitors ports on the storage system and measures I O rates that is the number of I Os per second and transfer rates that is the size of data transferred per second This section describes how to view I O rates and transfer rates of ports on the storage system Before taking the following steps you need to start monitoring in accordance with the procedure described in Starting and Stopping Storage System Monitoring and obtain the usage Statistics Performance Monitor can obtain statistics about traffics of ports connected to open system host groups only The statistics about traffics of ports connected to mainframe host groups cannot be obtained Viewing I O Rates for Ports Performance Monitor monitors ports on the storage system and measures I O rates that is the number of disk I Os per second To view I O rates 1 Ensure that the Performance Management window is displayed 2 Select the Port LUN tab The tree displ
296. tions 2 1 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Components To be able to use Performance Manager you need e The USP V VM storage system e The Performance Manager program products At minimum Performance Monitor is required Server Priority Manager is optional e A WWW client computer connected to the USP V VM storage system via LAN To use Performance Manager you must use the WWW client computer to log on to the SVP When you are logged on the Storage Navigator program which is a Java applet automatically downloads to the WWW client computer You can perform Performance Manager operations in the Storage Navigator window For details about requirements for WWW client computers see the Storage Navigator User s Guide Cautions If Performance Monitor is not enabled you cannot use Server Priority Manager Performance management operations Performance Monitor and Server Priority Manager involve the collection of large amounts of monitoring data This requires considerable Web client computer memory It is therefore recommended that you exit the Storage Navigator program to release system memory when not conducting performance management operations 2 2 About Performance Manager Options Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Overview of Performance Monitor Performance Monitor tracks your storage system and lets y
297. tions per second LU_TransRate csv The size of data transferred per second KB sec LU_Seq_Read_IOPS csv The number of sequential read operations per second LU_Rnd_Read_IOPS csv The number of random read operations per second LU_Seq_Write_IOPS csv The number of sequential write operations per second LU_Rnd_Write_IOPS csv The number of random write operations per second LU_Seq_Read_Hit csv The read hit ratio in sequential access mode LU_Rnd_Read_Hit csv The read hit ratio in random access mode LU_Seq_Write_Hit csv The write hit ratio in sequential access mode LU_Rnd_Write_Hit csv The write hit ratio in random access mode LU_C2D_Trans csv The number of data transfer operations from cache memories and hard disk drives i e LUs LU_D2CS_Trans csv The number of data transfer operations from hard disk drives i e LUs to cache memories in sequential access mode LU_D2CR_Trans csv The number of data transfer operations from hard disk drives i e LUs to cache memories in random access mode LU_Response csv The average response time microseconds at volumes LUs Note 1 microsecond is one millionth of 1 second Table 7 8 Files with Statistics about SPM Groups PPCG_dat ZIP PPCG_IOPS csv The number of read and write operations per second PPCG_KBPS csv The size of data transferred per second KB sec PPCG_Response csv The average response time microseconds at SPM groups Note 1 microsecond is one milliont
298. to prepare a command file and a batch file and then explains how to run the Export Tool e Preparing a command file e Preparing a batch file e Running the Export Tool Preparing a Command File To be able to run the Export Tool you must write scripts for exporting monitoring data When writing scripts you need to write several subcommands in a command file When you run the Export Tool the subcommands in the command file execute sequentially and then the monitoring data are saved in files Figure 7 1 gives an example of a command file svpip 158 214 135 57 login expusr passwd show group PhyPG Long Specifies IP address of SVP Logs user into SVP Outputs storing period to standard output Specifies type of data to be exported and type of storing period group RemoteCopy Specifies type of data to be exported short range 200610010850 200610010910 Specifies term of data to be exported for data stored in short range long range 200609301430 200610011430 Specifies term of data to be exported for data stored in long range Specifies directory in which files will be saved Specifies whether to compress files Executes processing for saving monitoring data in files Ne Ne Ne Ne Ne outpath out option compress apply Ne Ne Ne Ne Ne Figure 7 1 Example of a Command File In the above scripts the semicolon indicates the beginning of a comment Characters from a semicolon to the end of the li
299. tribute of a WWN contained in an SPM group see Switching Priority of an SPM Group 9 Right click a host bus adapter WWN in the list and then select Prio gt gt Non Prio from the pop up menu The Attribute column of the selected WWN in the list displays Non Prio If you want to specify more than one non prioritized WWN repeat this operation Note You cannot change the priority of a WWN which is contained in an SPM group For details on how to change the attribute of a WWN contained in an SPM group see Switching Priority of an SPM Group You must set upper limit values for the Non prio specified ports For details see Setting Upper Limit Values for Non Prioritized WWNs 10 Repeat steps 4 to 9 for ports except for the port selected in step 9 If one host bus adapter is connected to multiple ports and you specify the priority of the host bus adapter for one port the specified priority will be also applied to the host bus adapter settings for other connected ports automatically 11 Click Apply in the Server Priority Manager window The settings on the window are applied to the storage system Follow the instructions in Starting and Stopping Storage System Monitoring to measure traffic i e I O rates and transfer rates Server Priority Manager Operation 6 23 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Setting Upper Limit Values for Non Prioritized WWNs After you analyze
300. ts such as and j This icon indicates the attribute of the stored port is Target or I nitiator External 2 This port icon indicates either of the following A Fibre Channel port in Standard mode LUN security is applied to this port If the port name is followed by its fibre address the port is a Fibre Channel port For example CL1 A EF indicates that the CL1 A port is a Fibre Channel port This port icon indicates either of the following A Fibre Channel port in Standard mode LUN security is not applied to this port A Fibre Channel port in High Speed mode LUN security is applied to this port A Fibre Channel port in High Speed mode LUN security is not applied to this port carn A Fibre Channel port in I nitiator External MIX mode LUN security is not applied to this port 5 A Fibre Channel port in Initiator External MIX mode LUN security is applied to this port When you double click a port the host groups that correspond to that port are displayed The host group ID appears on the left of the colon The host group name appears on the right of the colon When you double click a host group an item named LUN 5 appears When you select LUN the list on the right lists LU paths For details about LUN security host groups and LU paths see the LUN Manager User s Guide e The list displays statistics that is I O rates transfer rates or average response time For details on the list contents s
301. tted If the last two digit of the time on the left or right of the colon is nota multiple of the sampling interval the time will automatically be changed so that the last two digits is a multiple of the sampling interval If this change occurs to the time on the left of the colon the time will be smaller than the original time If this change occurs to the time on the right of the colon the time will be larger than the original time The following are the examples If the time on the left is 10 15 the time on the right is 20 30 and the sampling interval is 10 minutes The time on the left will be changed to 10 10 because the last two digits of the time is not a multiple of 10 minutes The time on the right will remain unchanged because the last two digits of the time is a multiple of 10 minutes Using the Export Tool 7 55 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Examples the sampling interval is 7 minutes If the time on the left is 10 15 the time on the right is 20 30 and The time on the left will be changed to 10 14 because the last two digits of the time is not a multiple of 7 minutes The time on the right will be changed to 20 35 because of the same reason The examples below assume that e the starting time for collecting monitoring data is Jan 1 2006 00 00 e the ending time for collecting monitoring data is Jan 2 2006 00 00 short range 200601010930 200601011
302. umber of resources exceeds 4 096 use Previous and Next to display the remaining resources If you select connected parity groups in the tree the list displays usage statistics for all the connected parity groups If you select the Array Control Processor ACP folder in the tree the list displays a list of disk adapters see the figure below so that you are able to confirm whether each disk adapter is located in Cluster 1 or Cluster 2 For example if the Cluster 1 column displays O and the Cluster 2 column displays a hyphen the disk adapter is located in Cluster 1 Adapter Cluster 1 Cluster 2 Oo 0 DKA 1B DKA 1C DKA 1D 0 DKA 1E 0 DKA 2H DKA 2J DKA 2K DKA 2L Figure 4 3 List of Disk Adapters When you click the parity group icon and the list displays the icon of concatenated parity groups the list only displays the ID of the parity group at the top of the concatenated parity groups O O O O For details on the list contents see Monitoring Resources in the Storage System e The Page area displays the number of the current page and the following items are being used to change pages of list Previous button allows you to display the previous 4 096 resources Using the Performance Manager GUI Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide N M list The N displays the number of the current page The M displays total number of pages Use the list to cho
303. umes have been moved by Volume Migration or ShadowImage or formatted by Virtual LVI or Open Volume Management For information on using Volume Migration contact the Hitachi Data Systems Support Center see Calling the Hitachi Data Systems Support Centeri Ifa plus mark is displayed before a usage rate 0 such as o the usage rate is not completely O but less than 1 Performance Monitor Operations Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 5 To display a graph illustrating changes in usage rate for parity groups select the desired parity groups in the list and then click Draw A Note The range of monitoring and the gathering interval affects the time period represented by a graduation on the horizontal axis RAID Drive Type eee CLPR Ave ce Je 5 3D 1P DKR1B J047FC 14 OO CLPRO 5 3D 1P DKR1B J047FC al 43 01 CLPR1 3D 1P DKR1B J047FC 13 14 O2 CLPR2 1 4 5 3D 1P DKR1B JO47FC 4 5 03 CLPR3 Fig r 5 3 Example of Parity Group Usage Rates Displayed in the List Notes e Itis possible that the usage rate for a parity group is not equal to the sum of the usage rate for each volume in that parity group see Viewing Usage Statistics on Volumes in Parity Groups This is because the Performance Management window rounds off fractions below the decimal point to the nearest whole number when displaying the usage rate for each volume e I
304. up id exg id A Use this operand when you want to export statistics about volumes which are displayed in the LDEV tab of the Performance Management window When statistics are exported to a ZIP file multiple ZIP files whose names are beginning with LpEv_ will be output For details on the statistics exported by this operand see Using the Export Tool 7 43 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide 7 44 Table 7 5 When you specify variables parity group id exg id or V VOL group id you can narrow the range of parity groups external volume groups or V VOL groups whose monitoring data are to be exported parity group id is a parity group ID exg id is an ID of an external volume group V VOL group id is V VOL group ID The colon indicates a range For example 1 1 1 5 indicates parity groups from 1 1 to 1 5 1 1 1 5 indicates external volume groups from E1 1 to E1 5 vi 1 v5 1 indicates V VOL groups from vi 1 to v5 1 X1 1 x5 1 indicates V VOL groups from x1 1 to x5 1 Ensure that the parity group id exg id or V VOL group id value on the left of the colon is smaller than the parity group id exg id or V VOL group id value on the right of the colon For example you can specify LDEV 1 1 1 5 but you cannot specify LDEV 1 5 1 1 Also you can specify LDEV 1 5 2 1 but you cannot specify LDEV 2 1 1 5 If neither of parity group id exg id nor V VOL
305. ure 1 2 illustrates and simplifies the performance management process For information on using Volume Migration contact the Hitachi Data Systems Support Center see Calling the Hitachi Data Systems Support Center Overview of Performance Manager 1 3 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Start Storage Navigator Start Performance Monitor Set and Start Monitoring Options Use Performance Monitor to gather system usage statistics Turn Monitoring Options Long Range or Short Range Bii Analyze data for low performance conduct trend analysis etc YES Is workload balancing required Use Volume Migration Is additional monitoring required YES NO YES Is system tuning required to prioritized hosts Use Server Priority Manager NO YES Is additional monitoring required NO Baal Performance Monitor Bail Storage Navigator Figure 1 2 Performance Management Process Flow Diagram 1 4 Overview of Performance Manager Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide About Performance Manager Operations This chapter gives an overview of performance manager operations O Components Overview of Performance Monitor Overview of Server Priority Manager Overview of Export Tool OoOdd Interoperability with Other Products About Performance Manager Op
306. urs 1 day 4 28 Using the Performance Manager GUI Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide This storing period is the range of display in the Performance Management windows When you specify one minute for the gathering interval like the example above Performance Monitor can display the statistics for one day i e 24 hours in the list and graph at the maximum Also when you specify 15 minutes for the gathering interval Performance Monitor can display the statistics for 15 days in the list and graph at the maximum However the value of the Gathering I nterval option has nothing to do with the storing period of statistics in long range monitoring The gathering interval in long range is fixed to 15 minutes Therefore when you select the longrange storing period in the Physical tab of Performance Monitor the display range in the window is always three months i e 93 days The monitoring switch settings in the Monitoring Options window work in conjunction with the monitoring switch settings in the Usage Monitor windows of TrueCopy TrueCopy for IBM z OS Universal Replicator and Universal Replicator for IBM z OS Therefore if you use the Monitoring Options window to start or stop monitoring or to change the gathering interval the monitoring settings of these remote copy functions will also change Conversely if the settings in each Usage Monitor window are changed the settings in the Monito
307. use In the above script the symbol in this batch file example indicates the end of a command line In this example you must do one of the following to view the online Help e Double click runHelp bat with the mouse e Go to the c export directory at the command prompt enter runHelp or runHelp bat and then press the lt Enter gt key J ava Command for Exporting Data In Files Syntax JavaA classpath Aclass pathAproperty parametersAsanproject getmondat RJ MdMain Description This Java command starts the Export Tool To start the Export Tool you must write this Java command in your batch file and then run the batch file 7 66 Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Operands class path Specifies the path to the class file of the Export Tool The path must be enclosed in double quotation marks property parameters You can specify the following parameters At least you must specify Dmd command Dhttp proxyHost host name of proxy host or Dhttp proxyHost IP address of proxy host Specifies the host name or the IP address of a proxy host You must specify this parameter if the computer that runs the Export Tool communicates with the SVP via a proxy host Dhttp proxyPort port number of proxy host Specifies the port number of a proxy host You must specify this parameter if the computer that runs the Export Tool communicates
308. ved in installing configuring and operating the Hitachi Universal Storage Platform V and VM storage systems This document assumes the following e The user has a background in data processing and understands RAID storage systems and their basic functions e The user is familiar with the Universal Storage Platform V and or VM storage system and has read the Universal Storage Platform V VM User and Reference Guide e The user is familiar with the Storage Navigator software for the Universal Storage Platform V VM and has read the Storage Navigator User s Guide e The user is familiar with the operating system and Web browser software on the system hosting the Hitachi Universal Storage Platform V VM Storage Navigator remote console software A Note There are different types of users for Hitachi Universal Storage Platform V VM storage administrators and storage partition administrators The functions described in this manual are limited depending on the user type For details on the limitations see Storage Partition Administrators Limitations For details on the user types see the Storage Navigator User s Guide Product Version This document revision applies to Universal Storage Platform V VM microcode 60 03 0x and higher Document Revision Level S MK 96RD617 P February 2007 Preliminary Release MK 96RD617 00 April 2007 Initial Release supersedes and replaces MK 96RD617 P MK 96RD617 01 June 2007 Revision 1
309. volumes in a parity group in long range PHY_Short_LDEV_x y csv Usage rates for volumes in a parity group in short range PHY_Short_LDEV_SI_x y csv Usage rates for ShadowImage volumes in a parity group in short range PhyExG_dat ZIP PHY_ExG_Response csv Average response time milliseconds for external volume groups PHY_ExG_Trans csv Amount of transferred data for external volume groups KB sec PhyExLDEV_dat ZIP PHY_ExLDEV_Response_x y csv Average response time milliseconds for volumes in an external volume group PHY_ExLDEV_Trans_x y csv Amount of data transferred for volumes in an external volume group KB sec PhyProc_dat ZIP PHY_Long_CHP csv Usage rates for channel processors in long range PHY_Short_CHP csv Usage rates for channel processors in short range PHY_Long_DKP csv Usage rates for disk processors in long range PHY_Short_DKP csv Usage rates for disk processors in short range PHY_Long_DRR csv Usage rates for DRRs data recovery and reconstruction processors in long range PHY_Short_DRR csv Usage rates for DRRs data recovery and reconstruction processors in short range PhyCSW_dat ZIP PHY_Long_MPA_CSW csv Usage rates for access paths between channel adapters and cache memories in long range Usage rates for access paths between disk adapters and cache memories in long range Using the Export Tool 7 3 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide PHY_Short_MPA_CSW csv Usage rates fo
310. w the threshold in any prioritized WWN upper limits of all the non prioritized WWNs do not take effect Threshold Is Not The specified upper limit always takes Set to The effect Prioritized WWN Starting Server Priority Manager To start Server Priority Manager take the following steps To start Server Priority Manager 1 Ensure that the Storage Navigator main window is in Modify mode i e with the background color of the pen tip icon 2 showing light yellow If the background color is gray the window is in View mode and you must change it to Modify mode by taking the following steps a Verify whether the background color of the lock icon E is blue If the background color is red amp you will not be able to switch from View mode to Modify mode Wait for a while and click the El button When the background color turns blue you can go to the next step b Select the 2 pen tip icon A prompt asks whether you want to change the mode c Select OK to close the message The background color of the icon changes to light yellow A The mode changes to Modify mode The background color of the lock icon becomes red 9 2 Ensure that the WWN tab or the Port LUN tab is active in the Performance Management window 3 Ensure that the Real Time option is cleared You cannot start Server Priority Manager in real time mode Server Priority Manager Operation 6 11 Hitachi Universal Storage Platform V VM Hi
311. w 20 MB s 2 14 About Performance Manager Options Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Overview of Export Tool The Export Tool enables you to export monitoring data i e statistics that can display in the Performance Management window to text files The Export Tool also enables you to export monitoring data on remote copy operations performed by TrueCopy TrueCopy for IBM z OS Universal Replicator and Universal Replicator for IBM z OS If you export monitoring data to text files you can import the monitoring data into word processor documents You can also import the monitoring data into spreadsheet or database software to analyze the monitoring data Figure 2 2 is an example of a text file imported into spreadsheet software Transfer rates for LUs Filename LU_IOPS csv LUJOPS i Serial rate 60001 RAIDEO0 Indicates that the subsystem serial number is 60001 From 2007 03 28 18 57 The word in parentheses is a code that indicates the subsystem type To 2007 03 28 19 01 Indicates that the data was obtained from 18 57 to 19 01 on March 28 sampling rate 1 2007 Sampling rate 1 indicates that monitoring was performed every minute at a one minute interval No time GL1 4 000 4 GO0 0000 CL1 4000 4 G00 0001 CL1 A4 000 4 G00 0002 2006 3 28 18 58 10 20 2006 3 28 18 59 12 20 11 21 13 20 NOIR O 1 2 3 2006 3 28 19 00 4 2006 3 28 19 01
312. window When statistics are exported to a ZIP file the file name will be PhyExG_dat ZIP For details on the statistics exported by this operand see Table 7 2 When you specify variables exg id you can narrow the range of external volume groups whose monitoring data are to be exported exg id is an ID of an external volume group The colon indicates a range For example 1 1 E1 5 indicates external volume groups from E1 1 to E1 5 Ensure that the exg id value on the left of the colon is smaller than the exg id value on the right of the colon For example you can specify PhyExG E1 1 E1 5 but you cannot specify PhyExG 1 5 E amp 1 1 Also you can specify PhyExG E1 5 E2 1 but you cannot specify PhyExG 2 1 E1 5 If exg id is not specified the monitoring data of all the external volume groups will be exported PhyExLDEVA exg id exg id A Use this operand when you want to export statistics about volumes in external volume groups which are displayed in the Physical tab of the Performance Management window When statistics are exported to a ZIP file the file name will be PhyExLDEV_dat ZIP For details on the statistics exported by this operand see Table 7 2 When you specify variables exg id you can narrow the range of external volume groups whose monitoring data are to be exported exg id is an ID of an external volume group The colon indicates a range For
313. write mode per second LDEV_Write_IOPS ZIP LDEV_Write_IOPS_x y csv The number of write operations per second Using the Export Tool 7 5 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide LDEV_Seq_Write_IOPS ZIP LDEV_Seq_Write_IOPS_x y csv The number of sequential write operations per second LDEV_Rnd_Write_IOPS ZIP LDEV_Rnd_Write_IOPS_x y csv The number of random write operations per second LDEV_CFW_Write_IOPS ZIP LDEV_CFW_Write_IOPS_ x y csv The number of write operations in cache fast write mode per second LDEV_Read_Hit ZIP LDEV_Read_Hit_x y csv The read hit ratio LDEV_Seq_Read_Hit ZIP LDEV_Seq_Read_Hit_x y csv The read hit ratio in sequential access mode LDEV_Rnd_Read_Hit ZIP LDEV_Rnd_Read_Hit_x y csv The read hit ratio in random access mode LDEV_CFW_Read_Hit ZIP LDEV_CFW_Read_Hit_x y csv The read hit ratio in cache fast write mode LDEV_Write_Hit ZIP LDEV_Write_Hit_x y csv The write hit ratio LDEV_Seq_Write_Hit ZIP LDEV_Seq_Write_Hit_x y csv The write hit ratio in sequential access mode LDEV_Rnd_Write_Hit ZIP LDEV_Rnd_Write_Hit_x y csv The write hit ratio in random access mode LDEV_CFW_Write_Hit ZIP LDEV_CFW_Write_Hit_x y csv The write hit ratio in cache fast write mode LDEV_BackTrans ZIP LDEV_BackTrans_x y csv The number of data transfer operations between cache memories and
314. wwwNoa group 3 17 22 165 Non Prio Figure 6 6 Priority Specified in the Server Priority Manager Window Server Priority Manager Operation 6 7 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Note Throughout this manual the term prioritized WWN to refers to a high priority host bus adapter for example wwn01 The term non prioritized port refers to a low priority host bus adapter for example wwn02 and wwn03 4 Monitor traffic between host bus adapter and ports You must obtain statistics about traffic between host bus adapter and ports There are two types of traffic statistics the I O rate and the transfer rate The I O rate is the number of I Os per second The transfer rate is the size of data transferred between a host and the storage system When you view traffic statistics in the window you select either the I O rate or the transfer rate If your network is configured as network B you must do the following Measure traffic between the port 1A and the three host bus adapters wwn01 wwn02 and wwn03 Measure traffic between the port 1C and the three host bus adapters wwn01 wwn02 and wwn03 Measure traffic between the port 2A and the three host bus adapters wwn01 wwn02 and wwn03 Measure traffic between the port 2C and the three host bus adapters wwn01 wwn02 and wwn03 Figure 6 7 illustrates a graph that describes the I O rate at the paths between ea
315. xternal Volumes in External Volume Groups Channel Processor Usage Statistics A channel processor CHP which is contained in a channel adapter CHA processes host commands and controls data transfer between hosts and the cache A channel adapter contains multiple channel processors that process host commands and control data transfer A channel adapter can also be called port controller If monitoring data shows high overall CHP usage you should consider installing additional CHAs If monitoring data shows that CHP usage is not balanced you should consider moving some devices that are defined on overloaded ports to ports with lower usage CHPs to balance front end usage For details on how to view usage statistics about channel adapters and channel processors groups see Viewing Usage Statistics on Channel Processors Disk Processor Usage Statistics A disk processor DKP which is contained in a disk adapter DKA controls data transfer between the cache and the disk devices A disk adapter contains multiple disk processors DKPs If monitor data shows high DKP usage overall you should consider installing additional HDDs and or DKAs and then using Volume Migration to migrate the high write usage volumes especially sequential writes to the new parity groups If the monitor data shows that DKP usage is not balanced you can use Volume Migration to migrate volumes from high usage parity groups to low usage parity groups For in
316. y all volumes that make up the LUSE volume as the monitoring targets To display performance statistics of parity group to be displayed in the LDEV tab you must specify all volumes that belong to the parity group as the monitoring target Using the Performance Manager GUI 4 25 Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide Performance Management TC Monitor TCz Monitor UR Monitor URz Monitor Monitoring Options If Monitoring options Monitoring Switch Current Status Enable C Disable Gathering Interval s z Minute s Tro select _ mom sisisisisisls s s8 N Riss Ss NI NIN NININININININ N N N N N N N NInITnNITNIT NTN IT NTN TNT NIT N IT NIM PG Selection Support Figure 4 13 Monitoring Options Window of Performance Monitor The Monitoring Switch area in the Monitoring Options window contains the following items e Current Status Select Enable to start obtaining statistics from the storage system that is monitoring To stop monitoring select Disable The default setting is Disable e Gathering Interval Specify the interval to obtain usage statistics about the storage system for short range monitoring This option is activated when you specify Enable for Current Status If CUs to be monitored are 64 or less you can specify the value between 1 and 15 minutes by minutes and the default setting is 1 minute For example
317. yLDEV_dat ZIP For details on the statistics exported by this operand see Table 7 2 You can use the Short or Long option to select the storing period of the monitoring data to be exported If you specify Short the exported file will contain statistics in short range for up to 15 days If you specify Long the exported file will contain statistics in long range for up to three months i e up to 93 days If neither Short nor Long is specified statistics in both the short and long range are exported When you specify variables parity group id you can narrow the range of parity groups whose monitoring data are to be exported parity group id is a parity group ID The colon indicates a range For example 1 1 1 5 indicates parity groups from 1 1 to 1 5 Ensure that the parity group id value on the left of the colon is smaller than the parity group id value on the right of the colon For example you can specify PhyLDEV 1 1 1 5 but you cannot specify PhyLDEV 1 5 1 1 Also you can specify PhyLDEV 1 5 2 1 but you cannot specify PhyLDEV 2 1 1 5 Using the Export Tool Hitachi Universal Storage Platform V VM Hitachi Performance Manager User s Guide If parity group id is not specified the monitoring data of all the volumes will be exported PhyExGA exg id exg id A Use this operand when you want to export statistics about external volume groups which are displayed in the Physical tab of the Performance Management

Hitachi MK-96RD617-08 User's Manual

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