Home

Hitachi MK-96RD626-07 User's Manual

1. Items displayed in Pop up Menu Description Tree clicked items are underlined Subsystem Add Volume Auto Displays the Configure Cross subsystem Paths dialog Product name box or the Add Volume Manual dialog box These Add Volume i Path group Manual dialog boxes allow you to set a new path group and add external volumes to the new path group Edit Policy Displays the Edit Policy dialog box This dialog box allows you to edit the mapping policy Subsystem Disconnect Disconnects or reconnects the external volumes in Product name Subsystem the selected external storage system Path group Check Paths amp Restore Volume Subsystem Add Volume Auto The Volume Discovery is executed and all the Product name external volumes found by the Volume Discovery are Add Volume i e i Path group Manual displayed in the following windows For the Add Volume Auto command Volume Operation window For the Add Volume Manual command Add Volume dialog box Volume Operation List When Subsystem or Product Name is Clicked When you click Subsystem or a product name in the Volume Operation tree the external storage system information is displayed in the list Product Name Serial Number Ext VOL Status HITACHI USP 50000 Figure 4 2 Volume Operation List when Subsystem or a Product Name is Clicked The Volume Operation list consists of e External Subsystem The following items are di
2. LUN LU number set to the external volume Status Status of the mapping path Table 5 3 lists and describes the status terms that are displayed on the Mapping Path Information dialog box e Close button Close the Mapping Path Information dialog box e Pop up menu The Mapping Path Information dialog box does not have a pop up menu that can be displayed Table 5 3 Status of the Mapping Paths in the Mapping Path Information Dialog Box Normal The mapping path is normal The status of the mapping path is not retrieved yet Click Status Disable in the Volume Operation window to display the status of the mapping path Unknown The status of the mapping path is unknown 5 28 Performing Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Blockade The mapping path is blocked External device setting changed The setting of the external storage system has been changed For example the path definition was deleted or the external storage system itself was replaced by another device LDEV size The setting of the volume capacity of the external storage system has been reduced changed the volume capacity was reduced Not ready The reply from the external storage system was NOT READY Illegal request The reply from the external storage system was ILLEGAL REQUEST Command The reply from the external storage system was ABORTE
3. Troubleshooting This chapter provides troubleshooting information for Universal Volume Manager O Troubleshooting O Calling the Hitachi Data Systems Support Center Troubleshooting 8 1 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Troubleshooting 8 2 If you havea problem with the Storage Navigator computer or Storage Navigator software see the Storage Navigator User s Guide for troubleshooting information Table 8 1 provides general troubleshooting instructions for Universal Volume Manager operations If you need to call the Hitachi Data Systems Support Center see Calling the Hitachi Data Systems Support Center for instructions Table 8 1 General Troubleshooting for Universal Volume Manager OoOo Error Corrective Action The Storage Navigator computer cannot access the external volume Remove the error and retry the operation The reason for the error could be as follows The switch is off An error occurred in the switch The cables are not properly connected Configuration in the external storage system is altered and the specified external volume has already been deleted An error on the external volume in the external storage system has occurred The path has been changed in the external storage system The port attribute of the local storage system has been changed The topology information has not been properly set The external v
4. e Hitachi Command Control Interface CCI User and Reference Guide MK 90RD011 e Hitachi Copy on Write Snapshot User s Guide MK 96RD607 e Hitachi Dynamic Provisioning User s Guide MK 96RD641 e Hitachi LUN Expansion User s Guide MK 96RD616 e Hitachi Performance Manager User s Guide MK 96RD617 e Hitachi ShadowImage User s Guide MK 96RD618 e Hitachi ShadowImage for IBM z OS User s Guide MK 96RD619 e Hitachi Storage Navigator User s Guide MK 96RD621 e Hitachi Storage Navigator Messages MK 96RD613 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 LVI LUN and Volume Shredder User s Guide MK 96RD630 e Hitachi Virtual Partition Manager User s Guide MK 96RD629 xii Preface Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Document Conventions The terms Universal Storage Platform V and USP V refer to all models of the Hitachi Universal Storage Platform V unless otherwise noted The terms Universal Storage Platform VM and USP VM refer to all models of the Hitachi Universal Storage Platform VM unless otherwise noted This document uses the following typographic conventions a Bold Indicates text on a window other than the window title including men
5. Path group displayed when you click the Subsystem in the tree Subsystem The list of external volumes and cross Volume Operation Product name subsystem paths which are set in the List When Path Path group selected path group Group is Clicked e Operation lower left of the window The name of the performed setting operation is displayed You can check the details in the Preview dialog box by clicking the Preview button e Preview button lower right of the window When you click Preview the Preview dialog box is displayed and you can confirm the contents which was set in the list of the Volume Operation window The contents displayed in the Preview dialog box have not been applied to the local storage system yet e Apply button Applies the settings in the Preview dialog box to the local storage system When the settings are applied successfully they are removed from the Preview dialog box and the settings in blue and italics in the Volume Operation window is displayed normally Using the Universal Volume Manager GUI 4 3 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide When the settings are not applied the error messages are displayed and the settings in blue and italics remain displayed in the Volume Operation window To refer to the error detail click Preview to open the Preview dialog box e Cancel button Cancels all the settings in the Preview dialog box Volume Operat
6. 17 473 08 10 042 130 500 75 1 946 156 94 1 118 481 111 0 0 3390 L 57 042 42 32 783 127 020 73 1 946 156 94 1 118 481 34 0 0 3390 LA 57 042 42 32 783 127 020 73 1 946 156 94 1 118 481 34 0 0 3390 LB 57 042 42 32 783 127 020 73 1 946 156 94 1 118 481 34 0 0 3390 LC 57 042 42 32 783 127 020 73 1 946 156 94 1 118 481 34 0 0 3390 M 114 097 0 65 573 179 220 103 1 946 156 94 1 118 481 17 20 0 3390 MA 114 097 0 65 573 179 220 103 1 946 156 94 1 118 481 17 20 0 3390 MB 114 097 0 65 573 179 220 103 1 946 156 94 1 118 481 17 20 0 3390 MC 114 097 0 65 573 179 220 103 1 946 156 94 1 118 481 17 20 0 OPEN 3 4 818 240 83 520 z 1 610 612 64 334 0 OPEN 8 14 389 92 110 880 1 610 612 64 111 0 0 OPEN 9 14 461 92 110 880 1 610 612 64 111 0 0 OPEN E 28 480 32 99 360 z 1 610 612 64 56 0 0 OPEN L 71 202 24 71 202 2 1 610 612 64 22 0 40 0 OPEN V z 96 000 8 589 934 59 1 2 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide This number refers to the number of LDEVs when an external volume with maximum capacity is mapped Required Volume Capacity for each Emulation Type B 7 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Required Volume Capacity for each Emulation Type Hitachi Universal Storage Platform V VM Universal Volume Manager User
7. Enable Sets inflow control to Enable Enable N A trol Disable Sets inflow control to Disable Disable The second layer Information about alternate paths Specify the paths in the order of descending priorities A Identifier N A N A Port Port number of the alternate path 1A to GR 2 digits or less Using Spreadsheets for Universal Volume Manager Operations 6 7 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide 6 8 Column in Spread sheet Parameter Range of Values Number of Characters C WWN WWN of the alternate path 00000000 16 00000000 hexadecim to FFFFFFFF al digits FFFFFFFF The third layer Information about LDEVSs to be created in an external volume A Identifier N A N A B C LDKC LDKC number 00 to 01 2 hexadecim al digits or less D CU CU number 00 to FE 2 hexadecim al digits or less E LDEV LDEV number Specify the LDEV number 00 to FF 2 that is not assigned to any volume hexadecim However an unassigned LDEV number al digits or cannot be specified if other LDEVs in the less same area grouped by 32 LDEV numbers are already assigned to a different emulation group For details on emulation groups see the Virtual LVI LUN amp Volume Shredder User s Guide To see whether the LDEV number can be assigned to a volume or not view the LDEV dialog box of the Basic Information Display dialog box You can also save the cont
8. For details on the pairsplit operation see the ShadowImage User s Guide Turn off the power supply of the local storage system Caution Make sure that the power supply of the local storage system is completely off and then go on to the next step Turn off the power supply of the external storage system Cautions Make sure that the power supply of the external storage system is completely off Performing Universal Volume Manager Operations 5 33 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide To turn on the power supply of both storage systems 1 Turn on the power supply of the external storage system A Caution Make sure that the power supply of the external storage system is completely on and then go on to the next step 2 Turn on the power supply of the local storage system A Caution Make sure that the power supply of the local storage system is completely on and then go on to the next step 3 Resynchronize all ShadowImage pairs pairresync operations For details on the pairresync operation see the ShadowImage User s Guide 4 Start the read or write I O to the local storage system All read and write I Os with fibre channel connections should be started Disconnecting External Storage System or Disconnecting External Volume The Disconnect Subsystem command and the Disconnect Volume command allow you to disconnect the external volume You need
9. HITACHI Inspire the Next Hitachi Universal Storage Platform V Hitachi Universal Storage Platform VM Hitachi Universal Volume Manager User s Guide Document Organization Product Version Getting Hel Contents Hitachi Data Systems MK 96RD626 07 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 distributed to all registered users Hitachi Hitach
10. If you set the emulation type for the mainframe system e g 3390 as you map the external volume the status of the mapped volume becomes Blockade after the mapping operation After the system administrator performs the Write to Control Blocks operation or formats the mapped external volumes using VLL function on the local storage system side the mainframe host can then access the new mainframe volume through the local storage system s ESCON or FICON channels Note If you format the mapped volume of the external storage system from i the external storage system side the existing data before formatting cannot be assured When you use the mapped external volume from the mainframe OS format the mapped volume from the local storage system USP V VM side For the procedure of the volume formatting operation and the Write to Control Blocks operation see the Virtua LVI LUN and Volume Shredder User s Guide Connecting Open Systems Volumes Open systems volumes in external storage systems connect to and are recognized by the USP V VM storage system as open systems volumes without requiring reformatting Reformatting is not required because the connection between the USP V VM storage system and the external storage system is fibre channel If you need to initialize the data area for the volume format the volume using the VLL function For the procedure of the volume formatting operation see the Virtual LVI LUN and Volume Shredde
11. e Using the existing data in the mapped external volume Storing New Data in the Mapped External Volume To store new data in a mapped external volume from a host that is connected to the local storage system 1 Map the volume in the external storage system as an internal volume of the local storage system using Universal Volume Manager Select the emulation type of the mapped volume as you required If you select the emulation type for the open system such as OPEN V go on to the step 2 If you select the emulation type for the mainframe system such as 3390 3 go on to the step 3 2 If you set the emulation type for the open system when you map the volume the status of the mapped volume automatically becomes Normal If you need to initialize the data area of the mapped volume format the volume using the VLL function For the volume formatting procedure see the Virtual LVI LUN and Volume Shredder User s Guide Go on to the step 4 3 If you set the emulation type for the mainframe system when you map the volume the status of the mapped volume becomes Blockade Format the volume using the VLL function Note For zero formatted external volumes when you select that volume to i map you can use the VLL function to perform the Write to Control Blocks operation to restore the volume For instructions on how to format volumes and the Write to Control Blocks operation see the Virtual LVI LUN and Volume Shredder User s Guid
12. s Guide Adjusting Volume Capacities for Pairs When you create a pair the capacity of S VOL must be the same as that of P VOL To set a desired volume to a pair you may need to adjust the capacity of volume This section describes the procedure to adjust the volume capacity When copying data from an external storage system when you want to use an external volume as P VOL For A B and C in the following description see Figure C 1 To adjust the capacity of the USP V VM volume to create a pair 1 Map the external volume A as an internal volume B of the local storage system Make sure that the emulation type of the volume is OPEN V 2 Select the USP V VM volume C which has the same capacity as the mapped external volume B or which has the bigger capacity than the mapped external volume B The emulation type of the volume C has to be OPEN V 3 If you select the USP V VM volume C which has the bigger capacity than the mapped external volume B make the CV that has the same capacity as the mapped external volume B out of the USP V VM volume C using the VLL function For the VLL function see the Virtual LVI LUN and Volume Shredder User s Guide Adjusting Volume Capacities for Pairs C 1 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide A Notes e When you make the CV that has the same capacity as the mapped external volume B using the VLL function m
13. Commands for Turning On or Off Only the External Storage System 00e 5 30 Turning On or Off Only the External Storage System ccccsseeeseeeeseeeeseeesaeeenaes 5 31 Turning On or Off Only the Local Storage System ccccseeesseeeseeeeeeeeeaeeesaeeenaes 5 32 Turning On or Off Both Storage Systems ccecceesseeeseeeeseeeeeeesaeeesaeeenaeeeaaeeenees 5 33 Disconnecting External Storage System or Disconnecting External Volume 5 34 Disconnecting All External Volumes Disconnect Subsystem cccsseeeseeeseeeenees 5 36 Disconnecting an Individual External Volume Disconnect Volume 0sceeee 5 36 Checking Connection Status and Resuming External Volume Operation 5 37 Resuming All External Volumes Check Paths amp Restore VolUME c sseeeeeeeeees 5 38 Resuming an Individual External Volume Check Paths amp Restore Volume 5 38 Stopping the Use of Paths to the External Volume Disconnect Paths 0 5 39 Restoring the Paths to the External Volume Check Paths c cccecsseesseeeseeeenees 5 40 Changing the Cache Mode Setting of the External Volume ccceccseeeeeeeeeeeees 5 41 Changing the Inflow Control Setting of the External VOIUME cccceceeeeeeeeeaees 5 42 Changing the Port Setting of the External Storage System cccceeeseeeeeeeeeeaees 5 42 Change WWN Parameter Dialog BOX cccesseeeseeeeeeeeeeeeeaeeesaeeesae essa eesneeee
14. External Subsystem Displays the WWNs in the external storage system Select Fibre External Subsystem to restore all the cross subsystem paths connected to the specified WWNs ports in the external storage system 4 Click Subsystem or the product name in the Path Operation tree 5 Right click the port or WWN that you want to restore in the Path Operation list 6 Click Check Paths in the pop up menu The settings are displayed in blue and italics 7 Verify the settings in the Preview dialog box 8 Click Apply in the Path Operation window The settings are applied to the local storage system and the Path Operation window is displayed normally When an error occurs an error message is displayed Verify the details in the Preview dialog box Performing Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Changing the Cache Mode Setting of the External Volume You can change the cache mode of the external volume in the Volume Operation window To change the cache mode of the external volume right click the external volume click the Change Cache Mode in the pop up menu and then click Enable or Disable Data that is not written by the host for example data written by ShadowImage is asynchronously destaged to the external storage system regardless of the Cache Mode setting Check the following before changing the cache mode of the external volume Whether the v
15. alan anon on an on o o jojojojojojojo x 4 Operation No Operation Preview Apply Cancel Figure 4 5 Path Operation Window The Path Operation window consists of e Path Operation Tree left of the window The left pane of the window is composed of a tree and a drop down list which is used to switch the display of the tree The contents displayed in the list right of the window change corresponding to the items selected in the tree e Status Disable button or Status Enable button upper right of the window When you click Status Disable the button name changes to Status Enable and you can display the cross subsystem path status in the Status column in the Path Operation list 4 12 Using the Universal Volume Manager GUI Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide The Status column does not display any status when you open the Path Operation window because to display the cross subsystem path status takes longer than displaying other items in the window Note To update the all items in the window including the Status column make sure the button name is Status Enable then click File and Refresh on the menu bar of the Storage Navigator main window e List right of the window Information on the local storage system and external storage system is displayed corresponding to the items selected in the tree The list can be sorted by the displayed items For insta
16. means assigning the management numbers to the external volumes This management numbers are required for manipulating external volumes from local storage system By assigning the management numbers to the external volumes the system administrator will be able to manipulate not only internal volumes of local storage system but also external volumes using Storage Navigator The management numbers consist of external volume group number sequential number Example E2 1 E50 3 Figure 2 1 shows the idea of connection between a local storage system and an external storage system which are connected by the Universal Volume Manager function In the Figure 2 1 the external storage system is connected to the external port of the local storage system via a switch using the fibre channel interface The external port is a kind of port attribute which is used for Universal Volume Manager In the Figure 2 1 the external volumes are mapped as internal volumes AN Notes e Make sure that you do not access the external volume which has been mapped as an internal volume from the host that is connected to the external storage system Also make sure that you do not access the mapped external volume using the function e g copy function of the external storage system Once you have mapped an external volume as an internal volume you have to access the mapped external volume only from the local storage system side e From the host you can access
17. the volume capacity was reduced Reaction Check the volume capacity of the volume of the external storage system Execute the Delete Volume operation and then retry the Add Volume operation Not ready Status The reply of the external storage system was NOTREADY The drive of the external storage system is spinning up or the device of the external storage system is being formatted Reaction The path cannot be used to access the external storage system Check the status of the external storage system If you cannot restore the path call the Hitachi Data Systems Support Center Illegal Status The reply of the external storage system was request ILLEGALREQUEST The command cannot be executed to the device of the external storage system The data protection may be set on the device of the external storage system Reaction The port of the external storage system is recognized Check the setting of the external storage system If you cannot restore the path call the Hitachi Data Systems Support Center Command Status The reply of the external storage system was aborted ABORTEDCOMMAND An error may have occurred on the external storage system side Reaction The port of the external storage system is recognized Check the setting of the external storage system and the condition of the connection e g cables switches to the external storage system If you cannot restore the path call the Hitachi Data Systems Suppo
18. 339 10 440 6 3390 3B 87 000 50 5 809 860 3 339 10 440 6 3390 3C 87 000 50 5 809 860 3 339 10 440 6 3390 3R 87 000 50 5 809 860 3 339 10 440 6 3390 9 87 000 50 17 429 580 10 017 43 500 25 3390 9A 87 000 50 17 429 580 10 017 43 500 25 B 4 Required Volume Capacity for each Emulation Type Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Emulation Minimum Data Area Base Data Area Capacity Control Information Area Type Capacity Capacity 3390 9B 87 000 17 429 580 10 017 43 500 3390 9C 87 000 50 17 429 580 10 017 43 500 25 3390 L 87 000 50 57 002 400 32 760 40 020 23 3390 LA 87 000 50 57 002 400 32 760 40 020 23 3390 LB 87 000 50 57 002 400 32 760 40 020 23 3390 LC 87 000 50 57 002 400 32 760 40 020 23 3390 M 87 000 50 114 004 800 65 520 92 220 53 3390 MA 87 000 50 114 004 800 65 520 92 220 53 3390 MB 87 000 50 114 004 800 65 520 92 220 53 3390 MC 87 000 50 114 004 800 65 520 92 220 53 OPEN 3 72 000 4 806 720 11 520 OPEN 8 72 000 14 351 040 38 880 OPEN 9 72 000 14 423 040 38 880 OPEN E 72 000 28 452 960 27 360 OPEN L zee te 71 192 160 g 10 080 7 OPEN V 96 000 0 z Table B 3 Volume Capacity Information on Each Emulation Type Emulation Base LDEV Capacity Minimum LDEV Maximum Capacity of Maximum Type Capacity External Volume Number of 33
19. 4 2 Using the Universal Volume Manager GUI Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide The Ext VOL Status column does not display any status when you open the Volume Operation window because to display the external volume status takes longer than displaying other items in the window AN Note To update the all items in the window including the Ext VOL Status column make sure the button name is Status Enable then click File and Refresh on the menu bar of the Storage Navigator main window e Volume Operation List right of the window Information on the local storage system and external storage system is displayed corresponding to the items selected in the tree The list can be sorted by the displayed items For instance if you want to sort the list in the order of LDEV numbers click LDEV on the list The items clicked in the tree and the information displayed in the list are as follows Table 4 1 Volume Operation Tree Items Items displayed in Contents displayed in the list Reference selected in the tree the list Clicked items are underlined Fibre Subsystem Information about the external storage Volume Operation Product name system The same contents are List When Path group displayed when you click the product Subsystem or name in the tree Product Name is Clicked Subsystem Information about the external storage Product name system The same contents are
20. About Universal Volume Operations Explains the functions and applications of Universal Manager Volume Manager 3 Preparing for Universal Volume Describes the requirements and preparations for Manager Operations Universal Volume Manager operations 4 Using the Universal Volume Manager Explains the Universal Volume Manager windows GUI 5 Performing Universal Volume Manager Describes setting the external volume using Universal Operations Volume Manager 6 Using Spreadsheets for Universal Explains how to use spreadsheets for Universal Volume Volume Manager Operations Manager operations 7 Remote Command Devices Describes remote command devices Preface xi Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide 8 Troubleshooting Provides troubleshooting information for Universal Volume Manager and instructions for calling technical support A Connecting External Storage Systems Describes configuration for external storage systems Required Volume Capacity for Each Describes the capacity list for each emulation type Emulation Type C Adjusting Volume Capacities for Pairs Describes how to adjust the volume capacity when creating a pair Acronyms and Abbreviations Defines the acronyms and abbreviations used in this document Index Lists the topics in this document in alphabetical order Referenced Documents Hitachi Universal Storage Platform V VM
21. Calling the Hitachi Data Systems Support Center Table A 9 Path Status and Examples of Recovery Procedure USP V VM path Status Examples of Recovery Procedure External device Settings of the LU paths may have been changed by LUN Manager Check the setting changed settings of the LU paths If the settings of the LU paths have been changed change the settings back to the ones when the volume is mapped Or use Universal Volume Manager to perform the Delete Volume operation and perform the Add Volume operation again The access attribute of the volume may have been changed by Data Retention Utility Check the access attribute of the volume If the volume is protected by the access attribute release the protection Illegal request or The volume may have been set as a pair volume for data copy Check if the volume is set as a pair volume of ShadowImage TrueCopy Universal Replicator or some other copy program If the volume is set as a pair volume the volume may be protected because of the pair status When the volume is protected change the pair status or delete the pair Response error The access attribute of the volume may have been changed by Data Retention Utility Check the access attribute of the volume If the volume is protected by the access attribute release the protection Cannot detect There is a problem with connection to the external storage system The possible port causes are The fibre cable is not
22. Configure Cross Subsystem Displays the Configure Cross subsystem Paths dialog box This dialog Paths box allows you to add and delete cross subsystem paths and also change the priority of the selected cross subsystem path Using the Universal Volume Manager GUI 4 9 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Preview Dialog Box The Preview dialog box allows you to check or cancel the settings that will be applied to the local storage system To display the Preview dialog box click Preview in the Volume Operation window the Path Operation window or the Port Operation window This document uses the term the Universal Volume Manager windows to call these three windows The contents displayed in the Preview dialog box are displayed in blue italics in the list of the Universal Volume Manager windows The contents displayed in the Preview dialog box have not been applied to the local storage system yet When you click Apply on the Universal Volume Manager windows the settings in the Preview dialog box are applied to the local storage system When the settings are applied the contents of the Preview dialog box disappear and the list of the Universal Volume Manager windows is displayed normally When you click Cancel on the Universal Volume Manager windows all the settings in the Preview dialog box are canceled When the settings in the Preview dialog box are not applied to the local storage syste
23. External MIX Mode Figure 7 3 shows an example of using TrueCopy or Universal Replicator with remote command device The System 1 functions as MCU of TrueCopy or Universal Replicator and at the same time it functions as the local storage system of the remote command device the System 2 functions as RCU of TrueCopy or Universal Replicator and at the same time it functions as the external storage system of the remote command device In this case the setting of TrueCopy pair or Universal Replicator pair and setting of the remote command device are both made using the port of the Initiator External MIX mode As this example shows you only need to connect one cable to one of the ports that are set to the Initiator External MIX mode this means that you do not need to connect cables to each port of different port attributes Remote Command Devices 7 7 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Open system Host 1 Open system Host 2 System 1 MCU System 2 RCU External Storage System Port of Initiator External MIX Mode a E ee a en ea ea Legend os Remote command device Z Command device a Logical device Lines showing the concept of mapping Figure 7 3 Example of Using TrueCopy or Universal Replicator with Remote Command Device Procedure to Use Initiator External MIX Mode This section describes the procedure to use the Initiator External MIX m
24. LDEV Mapping Manual dialog box allows you to specify the LDEV number to all the LDEVs in the external volume Bf LEV mapping manual LDKC CU LDEV Limited C Unlimited a E2 1 a se E E2 1 e3 1 z bo WE3 1 e3 1 z 0123456789 ABCODEF ae 1 1 ox cme Figure 5 5 LDEV Mapping Manual Dialog Box Performing Universal Volume Manager Operations 5 13 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide The LDEV Mapping Manual dialog box consists of e List ExG The external volume group number of the connected external volume which you specified in the Set External Volume Parameter dialog box is displayed LDKC CU LDEV You use the LDKC CU LDEV with the LDEV map for assigning the LDEV number You can either map an LDEV number to each LDEV one by one or map a numbers to multiple LDEVs at once The LDKC CU LDEV shows the LDKC numbers CU numbers and LDEV numbers of the external volumes mapped as internal volumes indicates that the external volumes are not mapped as internal volumes To assign an LDEV number to an LDEV select one or more external volume whose LDEV number is in the LDKC CU LDEV and select one cell in the LDEV map When you select two or more external volumes in the LDKC CU LDEV the other cells are automatically added to match the number of external volumes that you previously selected in the LDKC CU LDEV When In
25. Manager ssssessssssernsrsrerrorenseresrenarsenonnessnnsnnranronennnronnennnne 2 26 Performance Manager sc isiinininne nininini a n a a 2 26 TrueCopy and TrueCopy for Z OS sssssssssssssssrsrrsrrrnrrrsrrnnrnnrrnnnnnnnnnnnnnnnnnnnnnnnns 2 26 Universal Replicator and Universal Replicator for Z OS ssssssssssssssrrssrrsrrrsrrrerresns 2 26 ShadowImage and ShadowImage for 2 OS sccccsseeeeeeeeeeeeseeesaeeenaeeenaeeeneeeeas 2 26 Copy on Write Snapshot ss sssssssrrsrrsrrnrrsrrnrnrrnrrnrnnnnnrnnrnnnnnnnnnnrnnnnnnnnennnnnnnnn 2 26 Dynamic PROVISIONING caries nartdiosuneus suetsevaneraneesuutensicbautreasanseautreendnepasiveasnetsiveneben 2 27 SNMP Agent isis wieceteawsacresremce alee case a e tae liie av E E ES 2 27 Examples of Using External Volumes with Other Products ccccccseeeeeeseeeeeeeees 2 28 Volume Migration Operations ccccesececseeeceeeeseeesseeesseeeseeesaeeesaeeesaeeeaaeeeaeensaees 2 28 TrueCopy Operations see sateen asaecaucnanaanecunamtatameianancan nate aecad sharanateauaccaanensasnicnaatos 2 30 Universal Replicator Operations Sexesecs ss ecnniebncewshiccheteencesdelseecsiendsihaleseieicedhote 2 32 ShadowImage Operations aceasta Pasa ccuodaradece bua lenleicdiw ice deiiet bnieiAieadGokeedesd 2 34 Copy on Write Snapshot Operations ccccccssssessseenseecnsssenseseneeseeeeseeeeseeeses 2 36 Preparing for Universal Volume Manager Operations cssccsseeeeeeeeees 3 1 Systemi Requirements ca
26. Platform V VM Universal Volume Manager User s Guide Cautions The cautions on the Disconnect Subsystem command and the Disconnect Volume command are as follows After you have executed the Disconnect Subsystem command or the Disconnect Volume command click the Refresh command on the Storage Navigator main window to update the information and check the current progress status When the Disconnect Subsystem command or the Disconnect Volume command is executed the displayed information for Ext VOL Status in the Volume Operation window becomes Cache Destage Even if there is no data left in the cache memory the displayed status remains as Cache Destage until the processing of the Disconnect Subsystem command or the Disconnect Volume command has been completed When the Disconnect Subsystem command or the Disconnect Volume command is executed and all the data in the cache memory is written to the external volume the displayed information for Ext VOL Status in the Volume Operation window becomes Disconnect Disconnecting All External Volumes Disconnect Subsystem To disconnect all the external volumes in the external storage system at once l 2 as Start Storage Navigator and open the Volume Operation window Make sure that Storage Navigator is in Modify mode Right click the product name that you want to disconnect in the Volume Operation tree Click Disconnect Subsystem in the pop up menu The settings are
27. System Path Priority 1 Status Normal Path Priority 2 Status Standby External Volume Path Priority 3 Status Standby External Storage System Path gt Priority 1 gt Status Blockade Path Priority 2 Status Normal Path Priority 3 Status Standby B Internal volume where the external volume is mapped gt 1 0 Figure 2 9 Single Mode with Alternate Paths in Standby only 2 18 About Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Connecting Mainframe Volumes Mainframe volumes that pre exist on an external storage system and are accessed by ESCON or FICON channels cannot connect directly to the USP V VM storage system as an external volume The USP V VM storage system does not recognize these volumes because of the fibre channel To use external volumes as mainframe volumes there are two ways e Zero format external volumes on the external storage system side map the external volumes to the internal volumes using Universal Volume Manager on the local storage system side and then perform the Write to Control Blocks operation using the VLL function on the local storage system side e Map the external volumes to the internal volumes using Universal Volume Manager on the local storage system side and then format the mapped external volumes using the VLL function on the local storage system side
28. WMS you can identify the storage system model from the serial number displayed in the Serial Number column in the Volume Operation window The following table describes the relationship between serial number displayed in the Serial Number column and the storage system model Table A 2 Relationship between Serial Number and AMS WMS Model AMS 77XXXXXX AMS 1000 75XXXXXX AMS 500 73XXXXXX AMS 200 WMS 71XXXXXX WMS 100 AN Note In serial numbers X is an arbitrary number or character Connecting External Storage Systems Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Relationship between WWN of Port and Controller AMS WMS When the external storage system is TagmaStore AMS or WMS you can identify the controller controller O or controller 1 from the WWN of the port The following table describes the relationship between WWN of port and controller Table A 3 Relationship between WWN of Port and Controller AMS WMsS AMS Controller O XXXXXXXXXXXXXXX0O 200 Controller 1 XXXXXXXXXXXXXXX1 WMS 100 AMS Controller O XXXXXXXXXXXXXXX0 500 XXXXXXXXXXXXXXX1 Controller 1 XXXXXXXXXXXXXXX2 XXXXXXXXXXXXXXX3 AMS Controller O XXXXXXXXXXXXXXXO 1000 XXXXXXXXXXXXXXXA XXXXXXXXXXXXXXX2 XXXXXXXXXXXXXXX3 Controller 1 XXXXXXXXXXXXXXX4 XXXXXXXXXXXXXXX5 XXXXXXXXXXXXXXX6 XXXXXXXXXXXXXXXT Note In WWNs X is an arbitrary number or
29. When the path mode is Single mode and there is at least one alternate path in the Standby status e When the path mode is Multi mode Figure 2 6 shows an example of the case when the path mode is Multi mode When an error occurs in one path I Os are executed using the paths other than the error path A Note As you restore the error path the use of the restored path is automatically resumed 2 14 About Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Local Storage System External Storage System Path ort Priority 1 WWN A O en Path ty l External Volume Port B Priority 2 Volume External Path Priority 3 Local Storage System External Storage System External Port Port A Port B Priority 1 Path Priority 2 internal Volume External External Path E Internal volume where the external volume is mapped gt 1 0 Priority 3 Legend Figure 2 6 When the Path Mode is Multi Mode e When the path mode is Single mode Figure 2 7 shows an example of the case when the path mode is Single mode When an error occurs in the path that is being used for I Os the I O execution path is switched to the path with the second highest priority AN Note As you restore the path with the priority higher than the currently used path the I O execution path is automaticall
30. access the mapped external volume from the local storage system as you just turn the external storage system on It is necessary to execute the Check Paths amp Restore Volume command to resume using the mapped external volume The Check Paths amp Restore Volume command checks the defined information and the actual status of the external volume mapped as an internal volume If the external volume is ready to be used as a mapped volume the volume is set to accept the I Os and you can resume using the volume as a mapped volume Turning On or Off Only the Local Storage System 5 32 To turn off the power supply of the local storage system to turn off on purpose 1 Stop the read or write I O to the external volume that is mapped as a local storage system internal volume 2 Perform other operations that are required before turning off the local storage system if there is some 3 Turn off the power supply of the local storage system A Note As you turn off the power supply of the local storage system all the data which is for the external volume in the local cache memory is written in the external volume all the data is destaged Performing Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide To turn on the power supply of the local storage system to restart from the turned off status 1 2 Turn on the external storage system that contains t
31. attributes To display the Port Operation window click Go Universal Volume Manager and then Port Operation on the menu bar of the Storage Navigator main window Volume Operation Path Operation Port Operation Ij Port operation Port Information A Target G CLI A CL5 A Target Standard lal initiat GI CL3 A CL7 A Target Standard 5 aUn CL1 B CL5 B External Standard ae onena CL3 B CL7 B External Standard narena CL2 A CLE A Target Standard Ce CL4 A CL8 A Target Standard CL2 B CL6 B External Standard C3 CL4 B CL8 B External Standard E Total Number of Ports 16 Operation No Operation Preview Apply Cancel Attribute PCB Mode 1J External Figure 4 9 Port Operation Window The Port Operation window consists of Port Operation Tree left of the window The left pane of the window is composed of a tree and a drop down list which is used to switch the display of the tree The contents displayed in the list right of the window change corresponding to the items selected in the tree Port Operation List right of the window Information on the port is displayed corresponding to the items selected in the tree The list can be sorted by the displayed items For example if you want to sort the list in the order of port numbers click Port on the list Operation lower left of the window The name of the performed setting operation is displayed
32. box To check the external volume details 1 2 3 Start Storage Navigator and open the Volume Operation window Click the path group in the Volume Operation tree Right click the external volume that you want to check in the Volume Operation list Click the following command in the pop up menu LDEV information Displays the LDEV Information dialog box Mapping Path Information Displays the Mapping Path Information dialog box 5 Verify the details in the displayed dialog box 6 Click Close to close the displayed dialog box You are returned to the Volume Operation window Performing Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide LDEV Information Dialog Box The LDEV Information dialog box displays the information on the LDEVs created in the external volumes Each row displays one LDEV information f Lev information LDKC CU LDEV_ Emulation Type 2 00 00 20 2 00 00 21 2347MB 48067 20blocks 2347MB 48067 20blocks g 00 00 22 2347MB 4806720blocks Q 00 00 23 g 00 00 24 2347MB 4806720blocks 2347MB 48067 20blocks g 00 00 25 2347MB 4806720blocks g 00 00 26 00 00 27 2347MB 4806 20blocks 2347MB 48067 20blacks 00 00 28 00 00 29 2347MB 48067 20blocks 2347MB 48067 20blocks Figure 5 13 LDEV Information Dialog Box The LDEV Information
33. character The ports in the same apparatus has the identical value Connecting External Storage Systems A 3 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Path Status and Examples of Recovery Procedure AMS WMS This section describes errors that require recovery operation on the external storage system side when the path status is not normal When the path status is not normal see the following table to recover the path status If you cannot restore the path call the Hitachi Data Systems Support Center see Calling the Hitachi Data Systems Support Center Table A 4 Path Status and Examples of Recovery Procedure AMS WMS Path Status Examples of Recovery Procedure External Settings of the LU paths may have been changed by LUN Manager Check the settings of device the LU paths If the settings of the LU paths have been changed change the settings setting back to the ones when the volume is mapped Or use Universal Volume Manager to changed perform the Delete LU operation and perform the Add LU operation again The access attribute of the volume may have been changed by Data Retention Utility Check the access attribute of the volume If the volume is protected by the access attribute release the protection Illegal The volume may have been set as a pair volume for data copy Check if the volume is set request or as a pair volume of ShadowImage TrueCopy or some other copy program If the
34. displayed in blue and italics Verify the settings in the Preview dialog box Click Apply in the Volume Operation window The settings are applied to the local storage system and the Volume Operation window is displayed normally When an error occurs an error message is displayed Verify the details in the Preview dialog box A Caution If you want to access the external storage system after you have executed the Disconnect Subsystem command you need to execute the Check Paths amp Restore Volume command Disconnecting an Individual External Volume Disconnect Volume 5 36 To disconnect an individual external volume 1 2 Start Storage Navigator and open the Volume Operation window Make sure that Storage Navigator is in Modify mode Performing Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Click the product name in the Volume Operation tree 4 Right click the external volume that you want to change in the Volume Operation list Click Disconnect Volume in the pop up menu The settings are displayed in blue and italics Verify the settings in the Preview dialog box Click Apply in the Volume Operation window The settings are applied to the local storage system and the Volume Operation window is displayed normally When an error occurs an error message is displayed Verify the details in the Preview dialog box A Cautio
35. for the Cache Residency Manager operation and set the bind mode the cache of twice as much capacity as the user data is required for the Cache Residency Manager operation Creating LUSE Volume Guidelines Do not combine LDEVs of multiple external volumes to create a LUSE volume The LDEVs in the same external volume can only be used to set the LUSE volumes When you combine LDEVs of multiple external volumes to create a LUSE volume you need to consider Ifa LUSE volume consists of multiple external volumes and one external volume has lower performance than the other volumes the lower performance of the volume affects the performance of the LUSE volume When an external volume which is a component of a LUSE volume is blocked data reliability of the LUSE volume will deteriorate because the LUSE volume has both accessible area and inaccessible area from a host When you disconnect an external volume or resume the use of an external volume you need to perform the operation at the same time on all the external volumes which are components of the LUSE volume The mapped volumes that have different cache mode settings cannot be used to create one LUSE volume Preparing for Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide VMA of Data Retention Utility If you map an external volume to which the volume management area VMA of Data Retention Utility is set
36. for the remote command device However if you set the Initiator External MIX mode you will be able to use a port as both initiator port for TrueCopy or Universal Replicator and external port only for the remote command device Before you set the Initiator External MIX mode you need to prepare initiator ports and external ports in one port block of the Standard mode You can set the Initiator External MIX mode on the port block that consists of the initiator ports and external ports Figure 7 2 shows difference between the Standard mode and Initiator External MIX mode When the Standard mode is set to the ports you have to connect the cables for both initiator port and external port However if you set the Initiator External MIX mode you just need to connect one cable and you can use TrueCopy or Universal Replicator and remote command device For detailed information on the port block and setting the Initiator External MIX mode see the LUN Manager User s Guide 7 6 Remote Command Devices Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide CL1 A CL3 A CL5 A CL7 A Initiator External Initiator External Standard Standard Standard Standard Port Block All ports are in the Standard mode Port Block All ports are in the Initiator External MIX mode Legend MS Cable Ports of Standard mode SSS Ports of Initiator External MIX mode Figure 7 2 Difference between Standard Mode and Initiator
37. in the Configure Cross subsystem Paths dialog box Click Raise Priority in the pop up menu The row of the selected path switches with the one row above Performing Universal Volume Manager Operations 5 23 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide 8 10 11 Repeat the operation of the Raise Priority command until the row of the selected path is displayed in the head of the Selected Paths list and its Priority column changes to 1 When the Priority column changes to 1 it means the cross subsystem path is set as the usually used one primary path Click OK to close the Configure Cross subsystem Paths dialog box You are returned to the Volume Operation window The settings are displayed in blue and italics Verify the settings in the Preview dialog box Click Apply in the Volume Operation window The settings are applied to the local storage system and the Volume Operation window is displayed normally When an error occurs an error message is displayed Verify the details in the Preview dialog box Canceling the Cross subsystem Path Configuration 5 24 You can cancel the configuration of the cross subsystem path using the Configure Cross subsystem Paths dialog box To cancel the cross subsystem path configuration 1 2 3 10 Start Storage Navigator and open the Volume Operation window Make sure that Storage Navigator is in Modify mode Click the pa
38. is changed to the alternate path that is in the Standby status When the primary path has been changed the status of the path becomes Normal Backoff The reply from the external storage system was Backoff The status of the path is waiting for recovery because a temporary error has occurred in the volume of the external storage system Even if the status of the primary path becomes this status the primary path is not changed to the alternate path immediately After the error recovery the status becomes Normal If the status cannot be recovered from the error the path status is changed to the other status Performing Universal Volume Manager Operations 5 29 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Turning On or Off the Storage System This section describes the procedures to turn on or off the power supply of the local storage system and the external storage system after the Universal Volume Manager operation has been started This section includes the following procedures and uses ShadowImage as an example e Commands for Turning On or Off Only the External Storage System e Turning On or Off Only the External Storage System e Turning On or Off Only the Local Storage System e Turning On or Off Both Storage Systems When you turn on or off the power supply of only external storage system you need to execute the Universal Volume Manager commands A Cautions e Whe
39. list of the Universal Volume Manager windows e Operation Information Area The operation information on the settings displayed in the Preview dialog box is displayed in the operation information area Following information is displayed Operation name of the setting operation Total Number of Objects in Preview the number of settings displayed in the Preview dialog box e Close button The Preview dialog box closes and returns to the Universal Volume Manager windows e Pop up menu Right click a row in the Preview dialog box to perform the following operations from the pop up menu Error Message Displays the error message of the selected setting Delete Cancels the settings selected in the Preview dialog box Using the Universal Volume Manager GUI 4 11 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Path Operation Window The Path Operation window enables you to stop or resume using cross subsystem paths To display the Path Operation window click Go Universal Volume Manager and then Path Operation on the menu bar of the Storage Navigator main window Volume Operation Path Operation Port Operation i Path Operation Status Disable Fibre Local Subsystem Y Port r pui Tov Fu rov margin Status CL1 B ci38 CL1 B 10 CL5 B CL7 B CL2 B CL4 B CL6 B CL8 B CL3 B CL5 B 9 CL B 9 CL2 B CL4 B 9 CL6 B CLe B
40. operation The external Remove the error and retry the operation volume is The reason for the error could be as follows blocked All the set paths are blocked paths are not connected The attribute of external volume is not set to Read Write attribute The external volume is blocked by error The Check Click Refresh Ep command on the Storage Navigator main window while the Paths amp Ss n Restore Status Enable button is displayed If the device status remains as Checking Volume even though you have updated the information execute the Check Paths amp commands Restore Volume command again executed and you have waited more than 10 minutes but the status of the device does not change from Checking If the same problem persists despite retrying call the Hitachi Data Systems Support Center Troubleshooting 8 5 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Calling 8 6 The Disconnect Subsystem command or the Disconnect Volume command is executed but the progress status information is not updated p Error Corrective Action Click Refresh Eh command on the Storage Navigator main window while the Status Enable button is displayed If the progress information about the Cache Destage status is not updated even though you have updated the information call the Hitachi Data Systems Support Center Note The time required for the writing
41. operation without writing the data in the cache memory into the external volume is displayed Click OK if you want to execute the Delete Volume operation without writing the data in the cache memory into the external volume Click Cancel if you want to cancel the operation As you click OK the setting is applied to the local storage system and the external volume where the mapping is deleted is removed from the Volume Operation list Note As you click OK the Delete Volume operation will be performed however the data in the cache memory that is not written to the volume is not guaranteed When an error occurs an error message is displayed Verify the details in the Preview dialog box Note The operation may not be performed if some parts of the local storage system are blocked In this case restore the blocked parts of the local storage system first and then retry the operation Performing Universal Volume Manager Operations 5 47 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide 5 48 Performing Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Using Spreadsheets for Universal Volume Manager Operations To map external volumes you may want to use spreadsheets instead of the Storage Navigator graphical user interface GUI For example when you want to map many external volumes at a time using the spreadsheets sho
42. physically connected in the proper way The setting of the topology does not match between the external port and the target port If the external storage system is connected through switches the settings for the switches may not be appropriate Make sure that the fibre cable is connected properly and then set the fibre channel port properly using LUN Manager The LUN security may have been enabled by LUN Manager Check if the LUN security is enabled or not If the LUN security is enabled disable the LUN security Connecting External Storage Systems A 9 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide TagmaStore USP NSC Storage System When you connect a TagmaStore USP or NSC storage system as the external storage system you need to set the port to the host group for the Windows hosts host mode OC Windows host mode 2C Windows Extension Also the port attribute must be the target port or the RCU target port Setting the Host Mode Option When a Volume of More Than 2 TB Is Used USP NSC If a volume which has the capacity of more than 2TB is mapped as an external volume host mode option No 24 must be enabled If No 24 is disabled a volume which has the capacity of more than 2TB cannot be mapped as an external volume For how to set the host mode option see the LUN Manager User s Guide of TagmaStore USP or NSC storage system Path Status and Examples of Recovery Procedu
43. problem with connection to the external storage system The possible causes are The fibre cable is not physically connected in the proper way The setting of the topology does not match between the external port and the target port If the external storage system is connected through switches the settings for the switches may not be appropriate Make sure that the fibre cable is connected properly and then set the fibre channel port properly using LUN Management The host group security may have been enabled by LUN Management Check if the host group security is enabled or not If the host group security is enabled disable the host group security A 8 Connecting External Storage Systems Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide USP V VM Storage System When you connect a USP V VM storage system as the external storage system you need to set the port to the host group for the Windows hosts host mode OC Windows host mode 2C Windows Extension Also the port attribute must be the target port or the RCU target port Path Status and Examples of Recovery Procedure USP V VM This section describes errors that require recovery operation on the external storage system side when the path status is not normal When the path status is not normal see the following table to recover the path status If you cannot restore the path call the Hitachi Data Systems Support Center see
44. processing of data from the cache to the external volume destaging processing depends on the volume capacity more time is required for the larger volume than the smaller one The processing speed is about 20 MB s However the processing speed depends on the performance and the status of the external storage system The message of INTERVENTION REQUIRED is issued to the mainframe host as the device status The device status is currently changing Please wait for a while and then check the device status again When the transition of the device status has completed normally the device can be used immediately If the device is blocked as a result of the device status transition see the error description The external volume is blocked in Table 8 1 for the corrective action The message of DEVICE ERROR is issued to the mainframe host as the device status See the error description The external volume is blocked in Table 8 1 for the corrective action the Hitachi Data Systems Support Center If you need to call the Hitachi Data Systems Support Center make sure to 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 exact content of any error messages displayed by Storage Navigator e The Storage Navigator configuration information use the FD Dum
45. 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 Preface Xv Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Overview of Universal Volume Manager This chapter provides an overview of Universal Volume Manager O Universal Volume Manager O Unifying Copy Operations between Different Storage Systems O Unifying Connections from a Host to Different Storage Systems Overview of Universal Volume Manager 1 1 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Universal Volume Manager 1 2 Universal Volume Manager software provides the virtualization of a multi tiered storage area network comprised of heterogeneous storage systems It enables the operation of multiple storage systems connected to a USP V VM as if they were all in one storage system and provides common management tools and software The shar
46. status is not normal see the following table to recover the path status If you cannot restore the path call the Hitachi Data Systems Support Center see Calling the Hitachi Data Systems Support Center Table A 8 Path Status and Examples of Recovery Procedure 9500V PathStatus Examples of Recovery Procedure External device setting Settings of the LU paths may have been changed by LUN Management changed Check the settings of the LU paths If the settings of the LU paths have been changed change the settings back to the ones when the volume is mapped Or use Universal Volume Manager to perform the Delete LU operation and perform the Add LU operation again The access attribute of the volume may have been changed by Open LDEV Guard Check the access attribute of the volume If the volume is protected by the access attribute release the protection Illegal request or The volume may have been set as a pair volume for data copy Check if the volume is set as a pair volume of ShadowImage TrueCopy or some other copy program If the volume is set as a pair volume the volume may be protected because of the pair status When the volume is protected change the pair status or delete the pair Response error The access attribute of the volume may have been changed by Open LDEV Guard Check the access attribute of the volume If the volume is protected by the access attribute release the protection Cannot detect port There is a
47. storage system is connected to USP V VM and has a management LU for example Universal Xport LU an extra operation is required A management LU is an LU that receives commands issued by a particular application The management LU controls or manages that application The management LU stores control information from that application and therefore the management LU cannot be used as an external volume A command device is not a management LU Before performing port discovery or volume discovery perform one of the following operations on the external storage system e Delete the management LU from the port connected to USP V VM e Make sure that at least one LU is used for data storage and has a smaller LUN than the LUN of the management LU Also make sure that the data storage LU is set to the port connected to USP V VM e Use the security function and configure the access attribute of the management LU to prohibit read and write operations If none of the above operations are performed an external storage system that has a management LU might not be recognized by the local storage system About Universal Volume Manager Operations 2 21 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Using a Mapped External Volume from a Connected Host There are two ways of using the mapped external volume from a host that is connected the local storage system e Storing the new data in the mapped external volume
48. system Change WWN Displays the Change WWN Parameter dialog box This dialog box allows you to Parameter change the parameters on the port of the external storage system Using the Universal Volume Manager GUI 4 17 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Path Operation List When Port or WWN is Clicked When you click a port or WWN in the Path Operation tree a cross subsystem path is displayed in the list Cross subsystem Paths rt CL1 B 5000000000000001 HITACHI USP aj Figure 4 8 Path Operation List when Port or WWN is Clicked The Path Operation list consists of e Cross subsystem Paths The following items are displayed Port external port in the local storage system WWN WWN indicating the target port in the external storage system Vendor vendor name of the external storage system Product Name product name of the external storage system Serial Number serial number of the external storage system Status Status of the cross subsystem path For the displayed statuses see Table 4 7 e Pop up menu When you click port or WWN in the Path Operation tree the Path Operation list does not have a pop up menu that can be displayed Using the Universal Volume Manager GUI Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Port Operation Window The Port Operation window enables you to check the settings of ports and set the port
49. system which you clicked in the left pane WWN Identification number of the port in the external storage system Port Discovery button Upper right of the dialog box Allows you to update information displayed in the Available Paths or display the information on all the external storage system connected to the local storage system even without the mapping configuration When you click Port Discovery the Port Discovery dialog box is displayed Port Discovery Figure 5 10 Port Discovery Dialog Box Performing Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide The Port Discovery dialog box displays the list of the external ports in the local storage system When you click the external port in the list WWNs of the external storage system connected to the clicked external port are searched for and that the Available Paths in the Configure Cross subsystem Paths dialog box is updated e Selected Paths Lower part of the dialog box The cross subsystem paths that you have added in the Available Paths are displayed Priority Priority of the cross subsystem paths connecting to the external volume 1 indicates the path with the highest priority Port Port of the local storage system that the port attribute is set to External WWN WWN of the external storage system that the port attribute is set to Target e OK button Saves the settings and
50. 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 peoe 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 bytes 1 PB 1 024 bytes 1 block 512 bytes xiv Preface Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Getting Help If you need to call the Hitachi Data Systems Support Center be sure to provide as much information about the problem as possible including e The circumstances surrounding the error or failure e The content of any error messages displayed on the host system s e The content of any error messages displayed by Storage Navigator e The USP V VM Storage Navigator configuration information obtained by using the FD Dump Tool e The service information messages SIMs including reference codes and severity levels displayed by Storage Navigator and or logged at the host The Hitachi Data Systems customer support
51. the Disconnect Volume command Area according to the contents of the External Subsystem on the Volume Operation window is displayed in the information area as follows systems that have the mapped external volumes Total Number of Ext Volumes the number of the mapped external and the number of the external volumes that can be mapped volumes e Pop up menu The External Subsystem does not have a pop up menu that can be displayed Volume Operation List When Path Group is Clicked 4 6 When you click a path group in the Volume Operation tree the external storage system information and the cross subsystem path information is displayed in the list Using the Universal Volume Manager GUI Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide External Volumes LDEV Characteristic 0000 _ OPEN V 0001 OPEN V 0003 OPEN V Cross subsystem Paths 0111111000000000 CL3 A 0111111000000001 Figure 4 3 Volume Operation List when Path Group is Clicked The Volume Operation list consists of e External Volumes The following items are displayed ExG external volume group number and sequential number assigned to each volume in the external volume group This is displayed in the format of external volume group number sequential number of volume in the group The sequential numbers of volumes in the group are automatically assigned by Universal Volume Manager
52. the cross subsystem path in Cross subsystem Paths in the Volume Operation list Click Configure Cross subsystem Paths in the pop up menu The Configure Cross subsystem Paths dialog box is displayed In the Available Paths click the following three items and then right click the WWN in the WWN External storage system Click the external storage system Port Click the external port of the local storage system which is the starting point of the cross subsystem path WWN Click the WWN of the external storage system which is the ending point of the cross subsystem path A Note When the external storage system or the WWN that you want to choose is not displayed in the dialog box you can update the information by clicking the Port Discovery button selecting the port which connects to the WWN and then clicking OK 7 9 10 5 22 Click Add in the pop up menu The cross subsystem path is added to the Selected Paths with the selected information Configure more than two cross subsystem paths for one path group Change the priority or delete unnecessary cross subsystem paths if necessary Click OK to close the Configure Cross subsystem Paths dialog box You are returned to the Volume Operation window The settings are displayed in blue and italics Verify the settings in the Preview dialog box Click Apply in the Volume Operation window The settings are applied to the local storage system and the Volum
53. the external storage system volumes that have not been mapped as the internal volumes There is no restriction 2 2 About Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Fibre Channel Interface Host 1 Host 2 Connection 2 Local Storage System External Storage Target Target External External i lll Port Port Port Port Port Port l WWN 0 WWN 1 ll Il II MoO Oi II c ab p II II l Mapping CJ N y CTT ll ll ee ee ee ee So ll l Z D a a e 4 l Volumes installed in the storage system Virtual volumes that do not have physical memory space Lines showing the concept of mapping Figure 2 1 Concept of Universal Volume Manager By mapping an external volume as an internal volume using Universal Volume Manager as shown in Figure 2 1 it becomes possible to operate the external volume using Storage Navigator as if it is a volume in the local storage system About Universal Volume Manager Operations 2 3 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Universal Volume Manager Components System using Universal Volume Manager usually contains the following components Local storage system USP V VM storage system External storage system Storage Navigator computer Universal Volume Manager External volume Internal volume which is a virtual r
54. to disconnect the external volume s for example before you turn the power supply off of the local storage system or the external storage system for maintenance or before you delete the external volume mapping As you execute the Disconnect Subsystem command or the Disconnect Volume command the acceptance of the host I O to the mapped external volume is stopped and all the data in the cache memory is written into the external volume all the data is destaged The settings of the mapping are preserved even though the external volume is disconnected using the Disconnect Subsystem command or the Disconnect Volume command Therefore you can resume using the external volume as a mapped volume with the former settings even though once you have disconnected the external volume 5 34 Performing Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide The following table describes operations that are required before disconnecting external volumes Table 5 4 Operations Required before Disconnecting External Volumes If External Volume is Used This Operation is Required in this way I Os to the external volume from the open system host are in progress Stop the host I Os to the volume and un mount from the host The host I Os to the specified volume are forcibly stopped if you disconnect an external volume when I Os from the open system host are in progress The
55. to the external storage system WWN Identification number of the port in the external storage system e Pop up Menu Right click a row in the External Volumes at the top of the window to perform the following operations from the pop up menu 4 8 Using the Universal Volume Manager GUI Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Table 4 4 Pop up Menu External Volumes Volume Operation Window Mapping Path Information Displays the Mapping Path Information dialog box This dialog box allows you to refer to the list of the mapping paths set to the selected external volume LDEV Information Displays the LDEV Information dialog box This dialog box allows you to refer to the emulation type and the capacity of the selected external volume Delete Volume Cancels the mapping of the selected external volume Disconnect Volume Disconnects the selected external volume Check Paths amp Restore Reconnects the selected external volume Volume Change Cache Mode Changes the cache mode set to the selected external volume Inflow Control Allows you to select whether to stop writing to the cache memory when it is impossible to write to the selected external volume Right click a row in the Cross subsystem Paths at the bottom of the window to perform the following operations from the pop up menu Table 4 5 Pop up Menu Cross Subsystem Paths Volume Operation Window
56. volume Response is set as a pair volume the volume may be protected because of the pair status When error the volume is protected change the pair status or delete the pair The access attribute of the volume may have been changed by Data Retention Utility Check the access attribute of the volume If the volume is protected by the access attribute release the protection Cannot There is a problem with connection to the external storage system The possible causes detect port are The fibre cable is not physically connected in the proper way The setting of the topology does not match between the external port and the target port If the external storage system is connected through switches the settings for the switches may not be appropriate Make sure that the fibre cable is connected properly and then set the fibre channel port properly using LUN Manager If host group security is enabled disable host group security using LUN Manager A 4 Connecting External Storage Systems Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Thunder 9500V Storage System System Parameters for Connecting Thunder 9500V The table below explains whether to specify system parameters when making settings on ports on the Thunder 9500V storage system Table A 5 System Parameter Settings 9500V System Startup Start Attribute Options Settings Single Mode Specify thi
57. 0 SANRISE H1i2000 SANRISE Hi0000 SANRISE H1i024 H128 XP24000 XP20000 XP12000 XP10000 XP1024 XP128 e You do not need the license for Universal Volume Manager to map a command device as a remote command device Remote Command Devices 7 3 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide e The remote command devices are displayed in the Device column on the Volume Operation window as follows Table 7 1 Displayed Information in Device Column for Remote Command Device Storage System Displayed Information in Device Column Universal Storage Platform V Format Emulation Type CM Universal Storage Platform VM Example OPEN V CM OPEN 3 CM TagmaStore Universal Storage Platform TagmaStore Network Storage Controller Lightning 9900V series SANRISE Universal Storage Platform SANRISE Network Storage Controller SANRISE9900V series H24000 H20000 SANRISE H1i2000 SANRISE H1i0000 SANRISE H1024 H128 XP24000 XP20000 XP12000 XP10000 XP1024 XP128 TagmaStore Adaptable Modular Storage DF600F CM TagmaStore Workgroup Modular Storage Thunder 9500V series SANRISE Adaptable Modular Storage SANRISE Workgroup Modular Storage SANRISE9500V series e If you access the remote command device from an OPEN host the device information that is reported by the remote command device is about the command device which is mapped as a remote command device of the ext
58. 1 multi 2 11 single 2 11 Index Index 0 operation tags AddVolumeSetting 6 8 ExternalGroup 6 6 MappedVolume 6 7 SSID 6 6 P Path Operation Window 4 12 Port Operation Tree 4 20 Port Operation Window 4 19 Preview 4 10 R RCU Target 4 21 S spreadsheets example 6 11 mapping external volumes 6 8 operation tags 6 5 saving storage system information 6 6 types 6 5 Status cross subsystem path 4 16 Disable button 4 2 Enable button 4 2 Support Center Hitachi Data Systems 8 6 System Requirements 3 2 T Target 4 21 U Universal Volume Manager requirements 3 5 Vv volume management area 3 11 Volume Operation Window 4 2 Index 1 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Index 2 Index Hitachi Universal Storage Platform V VM Universal Volume 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 96RD626 07
59. 3380 3C Before you apply the mapping configuration make sure the LDKC number which is automatically assigned is 00 Note Before you map the external volume check whether any application for example Command Control Interface is using the command device If there is stop the application To map the external volume automatically 1 Start Storage Navigator and open the Volume Operation window 2 Make sure that Storage Navigator is in Modify mode 3 Right click one of the following in the Volume Operation tree Subsystem Allows you to create a new path group and add external volumes to the new path group Path group Allows you to add external volumes to the existing path group 4 Click Add Volume Auto in the pop up menu and click the desired mapping policy in the submenu When you click the Subsystem in the Volume Operation tree the Configure Cross subsystem Paths dialog box is displayed Go on to step 5 When you click the path group in the Volume Operation tree the Volume Discovery is executed and all the external volumes found by the Volume Discovery are displayed in blue italics in the Volume Operation window Go on to the step 7 5 Configure cross subsystem paths in the Configure Cross subsystem Paths dialog box Configure at least two cross subsystem paths and change the priority if necessary 6 Click OK to close the Configure Cross subsystem Paths dialog box You are returned to the
60. 5 supersedes and replaces MK 96RD626 04 MK 96RD626 06 January 2008 Revision 6 supersedes and replaces MK 96RD626 05 MK 96RD626 07 March 2008 Revision 7 supersedes and replaces MK 96RD626 06 Preface Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Source Documents for this Revision MP 96RD626 06 MK 96RD626 07d RSD V02 Changes in this Revision Added a chapter about spreadsheets see Using Spreadsheets for Universal Volume Manager Operations Added descriptions about the spreadsheets in Universal Volume Manager Operations Added descriptions about the VMA of Data Retention Utility in VMA of Data Retention Utility Added descriptions about the default setting of the cache mode in Configuring External Volume Attributes Clarified information in Table 5 4 about the operation required before disconnecting external volumes in Added the GET_ALL parameter in Saving Storage System Information Deleted some parameters from Table 6 5 and Table 6 7 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 within that chapter 1 Overview of Universal Volume Provides an overview of Universal Volume Manager Manager 2
61. 80 3 4 818 240 3 346 82 080 A 610 612 64 1 118 481 334 3380 3A 4 818 240 3 346 82 080 57 Tero ETAG 1 118 481 334 3380 3B 4 818 240 3 346 82 080 57 Ret ore tare 1 118 481 334 3380 3C 4 818 240 3 346 82 080 57 raea 1 118 481 334 3380 K 3 833 280 2 662 82 080 57 TOLO pIa 1 118 481 420 3380 KA 3 833 280 2 662 82 080 57 Betpieiees 1 118 481 420 3380 KB 3 833 280 2 662 82 080 57 KOOPA 1 118 481 420 3380 KC 3 833 280 2 662 82 080 57 Rees Cs 1 118 481 420 3390 3 5 820 300 3 345 97 440 56 panera ae 1 118 481 334 Required Volume Capacity for each Emulation Type B 5 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide B 6 Emulation Base LDEV Capacity Minimum LDEV Maximum Capacity of Type Capacity External Volume Maximum Number Required Volume Capacity for each Emulation Type 3390 3A 5 820 300 3 345 97 440 1 946 156 94 1 118 481 0 3390 3B 5 820 300 3 345 97 440 56 1 946 156 94 1 118 481 334 0 3390 3C 5 820 300 3 345 97 440 56 1 946 156 94 1 118 481 334 0 3390 3R 5 820 300 3 345 97 440 56 1 946 156 94 1 118 481 334 0 3390 9 17 473 08 10 042 130 500 75 1 946 156 94 1 118 481 111 0 0 3390 9A 17 473 08 10 042 130 500 75 1 946 156 94 1 118 481 111 0 0 3390 9B 17 473 08 10 042 130 500 75 1 946 156 94 1 118 481 111 0 0 3390 9C
62. 900V series Displayed by Universal Volume Manager as 9970V and 9980V Path Mode of the cross subsystem paths will be Multi Thunder 9500V series Displayed by Universal Volume Manager as 9500V Path Mode of the cross subsystem paths will be Single Lightning 9900 series Lightning 9960 is displayed by Universal Volume Manager as 0400 Lightning 9910 is displayed by Universal Volume Manager as 0401 Path Mode of the cross subsystem paths will be Multi A H 6593 Displayed by Universal Volume Manager as 300 Path Mode of the cross subsystem paths will be Multi SANRISE Universal Storage Platform Displayed by Universal Volume Manager as USP Path Mode of the cross subsystem paths will be Multi SANRISE Network Storage Controller Displayed by Universal Volume Manager as NSC Path Mode of the cross subsystem paths will be Multi SANRISE Adaptable Modular Storage Displayed by Universal Volume Manager as AMS Path Mode of the cross subsystem paths will be Single SANRISE Workgroup Modular Storage Displayed by Universal Volume Manager as WMS Path Mode of the cross subsystem paths will be Single SANRISE 9900V series Displayed by Universal Volume Manager as 9970V and 9980V Path Mode of the cross subsystem paths will be Multi SANRISE 9500V series Displayed by Universal Volume Manager as 9500V Path Mode of the c
63. After the LU path is set the host I O operation to the mapped volume can be initiated About Universal Volume Manager Operations 2 23 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide 2 24 A Notes e Make sure that you do not access the external volume which has been mapped as a internal volume from the host that is connected to the external storage system Also make sure that you do not access the mapped external volume using the function e g copy function of the external storage system Once you have mapped an external volume as an internal volume you can access the mapped external volume only from the local storage system side e From the host you can access the external storage system volumes that have not been mapped as the internal volumes There is no restriction Host Set the Target port and set the LU path from the Target port for the host I O External Storage System Local Storage System Set the emulation type to OPEN V Internal volume where the external volume is mapped a External volume Figure 2 11 Using the Existing Data in the Mapped External Volume About Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Interoperability with other Products and Functions You can use the USP V VM program products to utilize and to manage the external volumes you have set using Universal
64. BM z OS Mapped volumes can be used for Universal Replicator and Universal Replicator for IBM z OS For a configuration example of Universal Replicator see Universal Replicator Operations ShadowImage and ShadowImage for IBM z OS Mapped volumes can be used for ShadowImage and ShadowImage for IBM z OS For a configuration example of ShadowImage see ShadowImage Operations Copy on Write Snapshot Mapped volumes can be used for Copy on Write Snapshot Consider the following for Copy on Write Snapshot e Both internal and external volumes cannot be mixed in one pool e All external volumes in the same pool must be in the same Cache Mode 2 26 About Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide For a configuration example of Copy on Write Snapshot see Copy on Write Snapshot Operations Dynamic Provisioning Mapped volumes can be used for Dynamic Provisioning Consider the following for Dynamic Provisioning e Both internal and external volumes cannot be mixed in one pool e All external volumes in the same pool must be in the same Cache Mode SNMP Agent Consider the following for SNMP Agent e The information on the mapped external volume is displayed e The information on the External port is displayed About Universal Volume Manager Operations 2 27 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Examples of U
65. D COMMAND aborted Busy The external storage system is in the BUSY status LDEV reserved The external storage system is in the Reserve status Response error The external storage system is in the blocked status because of an abnormal reply Initiator port The port attribute of the external storage system has been changed to the initiator port Unknown port The port attribute of the external storage system is unknown Cannot detect port The path has been removed or the port of the external storage system cannot be found Internal error The program error occurred Or there is a logical contradiction Timeout The processing was retried because an abnormal reply was returned however the processing has been timed out Standby The port of the external storage system is standing by The port status is normal but cannot receive I O Target error Port failures such as controller blockade are detected on the external storage system side Checking The processing of checking the mapping path status is in progress Disconnect Connection to the external storage system or the external volume is intentionally stopped using the Disconnect Subsystem command or the Disconnect Volume command Unavailable The reply from the external storage system was Unavailable The external storage system demands to change the connected port Once the status becomes Unavailable the primary path
66. EV numbers to which the SSID is assigned B SSID SSID When the SSID tag is written the information about internal volumes as well as external volumes will be saved ExternalGroup Tag When you write the ExternalGroup tag in a spreadsheet and execute the CFLGET command the information about external volume groups will be saved in files Specify the GET_ALL parameter for the ExternalGroup tag as shown below By specifying this parameter the information about all the external volume groups configured to the local storage system will be saved in files ExternalGroup GET_ALL The following table shows the information that will be saved in a file when the ExternalGroup tag is written in a spreadsheet Table 6 4 Information Saved when the ExternalGroup Tag is Written Column in Content ee ee ExG External volume group number and its sequential number MappedVolume Tag 6 4 When you write the MappedVolume tag in a spreadsheet and execute the CFLGET command the information about external volumes in the local storage system will be saved in files Specify the GET_ALL parameter for the MappedVolume tag as shown below By specifying this parameter the information about all the external volumes in the local storage system will be saved in files MappedVolume GET_ALL The following table shows the information that will be saved in a file when the MappedVolume tag is written in a s
67. Figure 1 2 Unifying Connections from a Host to Different Storage Systems 1 4 Overview of Universal Volume Manager Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide About Universal Volume Operations Manager This chapter explains the functions and applications of Universal Volume Manager O OOdaagaeaog g Connecting External Storage System Universal Volume Manager Components Universal Volume Manager Operations Configuring Universal Volume Manager Choosing Mapping Policy Using a Mapped External Volume from a Connected Host Interoperability with other Products and Functions Examples of Using External Volumes with Other Products About Universal Volume Manager Operations 2 1 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Connecting External Storage System Universal Volume Manager enables you to use Hitachi storage systems original equipment manufacturer OEM storage systems and other vendors storage systems such as IBM or EMC as connectable external storage systems Hosts will recognize these volumes as internal volumes of the USP V VM storage system In this user s guide the original USP V VM storage system is called local storage system and a connected storage system is called the external storage system External volume mapping is required for manipulating external volumes from local storage system Mapping
68. Manager Operations 2 7 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Configuring Universal Volume Manager Before configuring the Universal Volume Manager settings you need to answer the following e Which ports can be connected to external storage systems e Which external storage system and volumes should be mapped as the internal volumes e How to configure external volume groups e What external volume attributes to be configured e How to configure cross subsystem paths e How to make volume usable from the local storage system Choosing External Port The port used for Universal Volume Manager must be set as the external port When the external storage system is connected to the external port of the local storage system you can view the information on the external storage system from the Storage Navigator computer The external storage system cannot be connected to the ports other than the external port In order to set the port attribute to external the LU paths set to the port must be released The attribute of the port where the LU paths are already set cannot be changed to external Therefore you must identify ports whose attributes can be changed to external before starting the Universal Volume Manager operations A Note The ports whose attributes are set for remote copy software e g RCU target initiator or other features cannot be used as external ports for Universal Volume Ma
69. Ns ports in the external storage system 4 Click Subsystem or the product name in the Path Operation tree 5 Right click the port or WWN that you want to stop the use of in the Path Operation list 6 Click Disconnect Paths in the pop up menu The settings are displayed in blue and italics Performing Universal Volume Manager Operations 5 39 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide 7 Verify the settings in the Preview dialog box 8 Click Apply in the Path Operation window The settings are applied to the local storage system and the Path Operation window is displayed normally When an error occurs an error message is displayed Verify the details in the Preview dialog box Restoring the Paths to the External Volume Check Paths You use the Check Paths command to resume using the cross subsystem path which was stopped by the Disconnect Paths command A Note The path has to be in a status that can be restored To restore the path to the external volume 1 Start Storage Navigator and open the Path Operation window 2 Make sure that Storage Navigator is in Modify mode 3 Select one of the following from the drop down list above the Path Operation tree Fibre Local Subsystem Displays the ports in the local storage system Select Fibre Local Subsystem to restore all the cross subsystem paths connected to the specified port in the local storage system Fibre
70. P20000 Displayed by Universal Volume Manager as 20000 Path Mode of the cross subsystem paths will be Multi XP12000 Displayed by Universal Volume Manager as 12000 Path Mode of the cross subsystem paths will be Multi XP10000 Displayed by Universal Volume Manager as 10000 Path Mode of the cross subsystem paths will be Multi XP1024 XP128 Displayed by Universal Volume Manager as 1024 and 128 Path Mode of the cross subsystem paths will be Multi XP512 XP48 Displayed by Universal Volume Manager as 512 and 48 Path Mode of the cross subsystem paths will be Multi XP256 Displayed by Universal Volume Manager as 256 Path Mode of the cross subsystem paths will be Multi SVS200 Displayed by Universal Volume Manager as SVS200 Path Mode of the cross subsystem paths will be Multi HP StorageWorks Enterprise Virtual Array 3000 4000 5000 6000 800 0 Displayed by Universal Volume Manager as EVA Path Mode of the cross subsystem paths will be Single IBM storage system For the type of the supported storage system call the Support Center EMC storage system For the type of the supported storage system call the Support Center Fujitsu storage system For the type of the supported storage system call the Support Center NEC storage system For the type of the supported storage system call the Support Center Preparing for Universal Volume Manager Opera
71. Port Operation Window Using the Universal Volume Manager GUI 4 1 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Volume Operation Window The Volume Operation window enables you to perform the operations such as mapping external volumes and setting cross subsystem paths To display the Volume Operation window click Go Universal Volume Manager and then Volume Operation on the menu bar of the Storage Navigator main window Volume Operation path Operation Port Operation i Volume Operation Status Disable Fibre 7 External Subsystem qum Product Name Serial Number Ext VOL Status E HITACHI USP 50000 7 HITACHI USP 50000 gt Total Number of Ext Subsystems 1 Total Number of Ext Volumes 7 63225 Operation No Operation Preview 4 Cancel Figure 4 1 Volume Operation Window The Volume Operation window consists of e Volume Operation Tree left of the window The left pane of the window is composed of a tree and a drop down list which is used to switch the display of the tree The contents displayed in the list right of the window switch corresponding to the items selected in the tree e Status Disable button or Status Enable button upper right of the window When you click Status Disable the button name changes to Status Enable and you can display the external volume status in the Ext VOL Status column in the Volume Operation list
72. R SLPR that the selected CLPR belongs to However when the emulation type for the mainframe is selected in Emulation Type you can only select CLPR that belongs to SLPR number 0 Cache mode displays if the write I O from the host is propagated synchronously Disable or asynchronously Enable to the external storage device Inflow Control displays the writing operation to the cache memory is stopped Enable or continued Disable when the writing operation to the external volume is impossible Number of LDEVs maximum number of LDEVs to be created in the external volume Auto Discovery of Ports displays whether to search for the WWN connected to all the external ports Enable or to search for the WWN connected to only the external port which you specify Disable If you set Enable Port Discovery is automatically executed before the Configure Cross subsystem Paths dialog box is displayed Close button Close the Edit Policy dialog box Pop up menu The Edit Policy dialog box does not have a pop up menu that can be displayed Deleting the External Volume Mapping You can start the operation of deleting the external volume mapping from the Volume Operation window To delete the mapping of the external volume click the Delete Volume command in the pop up menu displayed in the Volume Operation window Though you can delete the setting of mapping for an internal volume and an external volume using the Delete Volume command you can
73. Tree The ports in the local storage system are displayed in the tree The contents displayed in the list right of the window switch corresponding to the items clicked in this tree For instance when you click External in the tree only the ports that port attributes are set to external are displayed in the Port Operation list Subsystem Nothing is displayed in the list when you select Subsystem Subsystem is selected when you display the Port Operation window Port attribute The following attributes are displayed External When you click External the ports set to the external port are displayed in the list The external port is the port attribute used for Universal Volume Manager The external port does not have the High Speed mode Target When you click Target the ports set as the target port are displayed in the list Using the Universal Volume Manager GUI Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Initiator When you click Initiator the ports set as the initiator port used for TrueCopy TrueCopy for IBM z OS Universal Replicator Universal Replicator for IBM z OS and so on are displayed in the list RCU Target When you click RCU Target the ports set as the RCU target port used for TrueCopy TrueCopy for IBM z OS Universal Replicator Universal Replicator for IBM z OS and so on are displayed in the list Initiator External When you click Initiator Extern
74. V called minimum data area capacity also depends on the emulation type For detailed information about the LDEV capacity for each emulation type see Table B 2 e You can calculate the minimum capacity required for an LDEV minimum LDEV capacity for each emulation type using the following equation Minimum LDEV capacity Minimum data area capacity control information area capacity If the capacity of the external volume is less than this minimum LDEV capacity the emulation type cannot be specified e You can calculate the base LDEV capacity for each emulation type using the following equation Base LDEV capacity Base data area capacity Control information area capacity Required Volume Capacity for each Emulation Type B 1 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide When the capacity of the external volume is less than the base LDEV capacity of the emulation type one Custom sized Volume CV is created in the external volume as you map the volume When the capacity of the external volume is more than the base LDEV capacity of the emulation type the external volume is divided into multiple LDEVs each of which have the base LDEV capacity Because the OPEN V emulation type supports 4TB of the volume at the maximum one LDEV is always created when the external volume is mapped If you use the VLL function you can divide the mapped external volume into 2 048 CVs at the maximum as y
75. V VM Universal Volume Manager User s Guide Right click a row in the Port Information to perform the following operations from the pop up menu Table 4 10 Pop up Menu in the Port Information Change to External Allows you to change the selected port attribute to external Change to Target Allows you to change the selected port attribute to target 4 22 Using the Universal Volume Manager GUI Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Performing Universal Volume Manager Operations This chapter describes setting the external volume using Universal Volume Manager O Overview of Setting Operations Setting Port of External Storage System Setting Port Attribute for Local Storage System Mapping an External Volume Automatically Mapping an External Volume Manually Setting the Cross subsystem Paths Checking the External Volume Details Turning On or Off the Storage System Disconnecting External Storage System or Disconnecting External Volume Checking Connection Status and Resuming External Volume Operation Stopping the Use of Paths to the External Volume Disconnect Paths Restoring the Paths to the External Volume Check Paths Changing the Cache Mode Setting of the External Volume Changing the Inflow Control Setting of the External Volume Changing the Port Setting of the External Storage System Editing Mapping Policy Deleting
76. Volume Manager For the operations and notes on each program product see the respective user s guides LUN Manager and Configuration File Loader If you set the emulation type for the open system as you map the external volume you need to set the LU path for the mapped volume using LUN Manager Consider the following for the Configuration File Loader function e You can to set the LU path definition for the external volume add delete or change LU paths e You can to set the command device for the external volume add or delete the setting e The setting of the channel adapter CHA mode host group and WWN for the external port is not supported When an external volume is mapped through that external port the setting operation of the topology is not available either LUN Expansion Consider the following for LUN Expansion LUSE e The internal volume in the local storage system and the external volume cannot be combined to form a LUSE volume e Do not combine LDEVs of multiple external volumes to create a LUSE volume Only the LDEVs in the same external volume can be used to configure the LUSE volumes e All external volumes in a LUSE volume must be in the same Cache Mode Virtual LVI LUN Consider the following for Virtual LVI LUN VLL e If you set the emulation type for the mainframe system as you map the external volume you need to format the mapped volume or perform the Write to Control Blocks operation usi
77. Volume Operation window The Volume Discovery is executed and all the external volumes found by the Volume Discovery are mapped The settings are displayed in blue italics 7 Verify the settings in the Preview dialog box 8 Click Apply in the Volume Operation window The settings are applied to the local storage system and the Volume Operation window is displayed normally When an error occurs an error message is displayed Verify the details in the Preview dialog box Performing Universal Volume Manager Operations 5 5 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Mapping an External Volume Manually After setting the attribute of the port used for Universal Volume Manager to the external port you are enabled to map the external volume as an internal volume A Caution Do not specify 01 for the LDKC number when you map a volume of which the emulation type is 3380 series except for 3380 3 3380 3A 3380 3B 3380 3C A Note Before you map the external volume check whether any application for example Command Control Interface is using the command device If there is stop the application 5 6 To map the external volume manually 1 2 3 Start Storage Navigator and open the Volume Operation window Make sure that Storage Navigator is in Modify mode Right click one of the following in the Volume Operation tree Subsystem Allows you to create a new path group a
78. You can check the details in the Preview dialog box by clicking the Preview button Using the Universal Volume Manager GUI 4 19 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Preview button lower right of the window When you click Preview the Preview dialog box is displayed and you can confirm the contents which was set in the list of the Port Operation window The contents displayed in the Preview dialog box have not been applied to the local storage system yet Apply button Applies the settings in the Preview dialog box to the local storage system When the settings are applied successfully they are removed from the Preview dialog box and the settings in blue and italics in the Port Operation window is displayed normally When the settings are not applied the error messages are displayed and the settings in blue and italics remain displayed in the Port Operation window To refer to the error detail click Preview to open the Preview dialog box Cancel button Cancels all the settings in the Preview dialog box Port Operation Tree The Port Operation tree is a tree on the left side of the Port Operation window consisting of a tree and a drop down list which is used to switch the display of the tree The Port Operation tree consists of Drop down list A drop down list to change the items displayed in the Port Operation tree You can select Fibre from the drop down list as a PCB type
79. a license key to install Universal Volume Manager Storage Systems Supported as External Storage Systems 3 2 Supported storage systems that can be connected as the external storage system are shown in the following table The table includes information on how those storage systems are referenced in this document and in the Universal Volume Manager windows Table 3 1 Storage Systems Available as External Storage Systems Universal Storage Displayed by Universal Volume Manager as USP V Platform V Path Mode of the cross subsystem paths will be Multi Universal Storage Displayed by Universal Volume Manager as USP VM Platform VM Path Mode of the cross subsystem paths will be Multi TagmaStore Universal Displayed by Universal Volume Manager USP Storage Platform Path Mode of the cross subsystem paths will be Multi TagmaStore Network Displayed by Universal Volume Manager as NSC Storage Controller Path Mode of the cross subsystem paths will be Multi Preparing for Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide TagmaStore Adaptable Modular Storage Displayed by Universal Volume Manager as AMS Path Mode of the cross subsystem paths will be Single TagmaStore Workgroup Modular Storage Displayed by Universal Volume Manager as WMS Path Mode of the cross subsystem paths will be Single Lightning 9
80. aan thence es 5 14 Example How to Map LDEVs Automatically cccecseeeesseesseeeneeeeaeeeaeeeeaeeesaeees 5 16 Example How to Map LDEVS Manuallly cccceeesseeeeeeeseeeeeeeesa essa eeeeaeeenaeeena eee 5 17 Setting the Cross subsystem Paths cccccccccesecceeeceeseeesseassecnenceneecenssceensoees 5 18 Configure Cross subsystem Paths Dialog BOX ccccscessceseeeeesseeseeeeeesaesseeeneeeas 5 19 Configuring Cross subsystem Path ccccccsecceceseeeseeeeeeseeeseeeseeseesseeseeesaeeseeeneeeas 5 21 Changing the Configured Cross subsystem Path Priority ccccccsseeseesseeeeeeseeees 5 23 Canceling the Cross subsystem Path ConfiguratiOn cccccccssccseeseeeseeeseseeeeneeens 5 24 Changing the Cross subsystem Path ccccccseccseeseeeeeeseeseeeeeeseesseeeeeesaeeseeeaeeees 5 25 Replacing All the Cross subsystem Paths with Newly added Cross subsystem PENS on utens aa a S canto edeaeb isang asians E 5 25 Checking the External Volume Details sssssssssssssssssssssrsnsrnsrnnsnnnrrrnrnnnnrenrnnrennnne 5 26 LDEV Information Dialog BOX sssssssssssssssnsrrnrnrnrrrnrrnnrnnnrnnrnnrrnnnesnnnnnnnnnnnnennnnnn 5 27 Mapping Path Information Dialog BOX sssssssssssssssnssrrsrrnnrrnrrnnrnnnrennrnnnnnrnnnnennnnnn 5 28 Contents v Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Turning On or Off the Storage System cccceeesseeecseesceeseeeeeseeeesseecseseeeessaes 5 30
81. adowImage or Volume Migration When the volume is set as the reserved volume for ShadowImage or Volume Migration you cannot delete the external volume mapping e Whether the volume is set as a pool VOL When the volume is set as a pool VOL you cannot delete the external volume mapping To delete the external volume mapping Start Storage Navigator and open the Volume Operation window Make sure that Storage Navigator is in Modify mode Click the path group in the Volume Operation tree gat es Tor Right click the external volume that you want to delete in the Volume Operation list 5 Click Delete Volume in the pop up menu The settings are displayed in blue and italics 6 Verify the settings in the Preview dialog box 7 Click Apply in the Volume Operation window 8 When a message asking if you have performed the Disconnect operation is displayed click Yes if you have already performed the Disconnect Subsystem command or the Disconnect Volume command Click No if you have not performed the Disconnect Subsystem command or the Disconnect Volume command yet If you click Yes the setting is applied to the local storage system and the external volume where the mapping is deleted is removed from the Volume Operation list Performing Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide If you click No a message asking if you want to execute the Delete Volume
82. aeenaas 5 43 Editing Mapping POliCy aac aaiect ceeenteieepte cee teoaet eens ee eee eee 5 44 Edit Policy Dialog BOX s2cccedeedetocecancascetemiencduledeteceeercosiecesicieeueuesiad mtiesenetaceien 5 44 Deleting the External Volume Mapping sssssssssssssssssssrrnrrrsrrsrrrnrrnnrrnrrnsrennrenrnnns 5 45 Remote Command Devi esrossrpasnramni nna aa 7 1 Overview of Remote Command Devices sssssssrsesrsesresrsnrnnsrrnrnrnnnnnnrnnnnnnrennnnne 7 2 Guidelines for Remote Command DeVICES ccsceecseeeeseeeeeeeeaeeesaeeenaeeenaeesneeeeaees 7 3 Mapping a Command Device as a Remote Command DeViICEC ccccceceeeeeeeeeeseees 7 6 Using TrueCopy or Universal Replicator with Remote Command Device 00 7 6 Procedure to Use Initiator External MIX MOde ccccccesceceseeeeseuseusesaueaeauseueueavauees 7 8 Restrictions on Initiator External MIX Mode sccsecsecseeceeceeceeseeseesueeeeseeseeseesees 7 9 TOUS TONG cnc sciesinre invari ninterenisiasicexin aa 8 1 Troubleshooting Saccecee oe eencepiece ke eoetceustaslalnsi te eens a E a E a 8 2 Calling the Hitachi Data Systems Support Center cccccccseeeeeeeseeeseeeeneeeaaeeenees 8 6 Connecting External Storage SyStemMs cscccsecceseceesseeseseceeseesesseeeees A 1 TagmaStore AMS WMS Storage System cccccceceeecseeceeeseeeseeeeeeseesseeeeeesaeesaeeaees A 1 System Parameters for Connecting TagmaStore AMS WMS Storage SYSTEM egoaan r A EE AE E E E EA EAE A 1 Relation
83. ake the capacity of CV according to the Blocks capacity that is displayed in the Capacity column on the LDEV Information dialog box of Universal Volume Manager e If you want to create a TrueCopy pair with a volume of Lightning 9900V series storage system or Lightning 9900C series storage system you may not be able to create a CV that has the same capacity as the mapped external volume B since the VLL function does not allow you to specify the capacity in Blocks In this case you cannot create a TrueCopy pair 4 Create a pair Create Pair lt _ External Volume A Mapped External Select a volume that has the Copy Destination Volume B same capacity as volume B Volume C or select a volume that has the bigger capacity than the volume B Make CV that has the same capacity as the volume B if you have selected volume C that is bigger than the volume B Figure C 1 Copying Data from External Storage System Using an External Volume as P VOL When copying data to an external storage system when you want to set an external volume as S VOL For A B and C in the following description see Figure C 2 To adjust the capacity of the external volume to create a pair 1 Map the external volume A as an internal volume B of the local storage system Set the emulation type as same as that of the copy source volume C C 2 Adjusting Volume Capacities for Pa
84. al the ports for which the Initiator External MIX mode is set are displayed in the list Pop up menu The Port Operation tree does not have a pop up menu that can be displayed Port Operation List When you click the items in the Port Operation tree the port in the local storage system is displayed in the list The list can be sorted by the displayed items For instance if you want to sort the list in the order of port numbers click Port on the list The Port Operation list consists of Port Information The following items are displayed Port Port number One of the following icons is displayed on the left of each port Ports in the Standard mode Ports in the High Speed mode Ports in the Initiator External MIX mode Attribute Port attribute The external ports are used for connecting to the external storage system When you want to set the remote command device you can use the port for which the Initiator External MIX mode has been set PCB Mode The PCB mode of the port is displayed Standard High Speed or MIX for Initiator External MIX mode is displayed The external ports do not have the High Speed mode For detailed information on the PCB mode see the LUN Manager User s Guide Information Area The total number of ports in the Port Operation list Total Number of Ports is displayed Pop up Menu Using the Universal Volume Manager GUI 4 21 Hitachi Universal Storage Platform
85. all the Hitachi Data Systems Support Center see Calling the Hitachi Data Systems Support Center Table A 12Path Status and Examples of Recovery Procedure 9900 PathStatus Examples of Recovery Procedure External device Settings of the LU paths may have been changed by LUN Manager Check the setting changed settings of the LU paths If the settings of the LU paths have been changed change the settings back to the ones when the volume is mapped Or use Universal Volume Manager to perform the Delete LU operation and perform the Add LU operation again Illegal request or The volume may have been set as a pair volume for data copy Check if the Response error volume is set as a pair volume of ShadowImage TrueCopy or some other copy program If the volume is set as a pair volume the volume may be protected because of the pair status When the volume is protected change the pair status or delete the pair A 12 Connecting External Storage Systems Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Path Status Examples of Recovery Procedure Cannot detect port There is a problem with connection to the external storage system The possible causes are The fibre cable is not physically connected in the proper way The setting of the topology does not match between the external port and the target port If the external storage system is connected through switches the settings for the
86. an the actual external volume capacity for the area volume About Universal Volume Manager Operations 2 9 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide e Cache Mode Enable or Disable Cache mode specifies whether the write data from the host to the external storage system is propagated synchronously Disable or asynchronously Enable By default cache mode is set to Enable All I O to and from the local storage system either Enable or Disable always uses cache Write operations are always backed up in duplex cache If you select Enable after receiving the data into the local storage system cache memory the local storage system signals the host that an I O operation has completed and then asynchronously destages the data to the external storage system If you select Disable the local storage system signals the host that an I O operation has completed only after the local storage system has synchronously written the data to the external storage system If you perform the Cache Residency Manager operation on the external volume which the Cache Mode is set to Disable the bind mode of Cache Residency Manager cannot be specified For the Cache Residency Manager operation see the Cache Residency Manager User s Guide AN Note When you set the cache mode note the following e Data that is not written by the host for example data written by ShadowImage is asynchronously destaged to
87. and the Volume Operation window is displayed normally When an error occurs an error message is displayed Verify the details in the Preview dialog box Performing Universal Volume Manager Operations 5 41 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Changing the Inflow Control Setting of the External Volume You can change the inflow control setting of the external volume in the Volume Operation window To change the inflow control setting of the external volume right click the external volume click the Inflow Control in the pop up menu and then click Enable or Disable To change the inflow control setting of the external volume 1 Start Storage Navigator and open the Volume Operation window 2 Make sure that Storage Navigator is in Modify mode 3 Click the path group in the Volume Operation tree 4 Right click the external volume that you want to change in the Volume Operation list 5 Click Inflow Control in the pop up menu and click Enable or Disable in the submenu The settings are displayed in blue and italics 6 Verify the settings in the Preview dialog box 7 Click Apply in the Volume Operation window The settings are applied to the local storage system and the Volume Operation window is displayed normally When an error occurs an error message is displayed Verify the details in the Preview dialog box Changing the Port Setting of the External Storage System You can chan
88. arameters such as emulation type to mapping policy in advance Port Discovery and Volume Discovery Port Discovery and Volume Discovery are the processes to find external volumes and will be executed when you map external volumes or when you add cross subsystem paths Port Discovery is a process to search for and get information about target ports of the connected external storage system from an external port of the local storage system The latest information about the external storage system can be viewed in a dialog box of the Universal Volume Manager when you execute Port Discovery About Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide You can set in advance the mapping policy on whether to execute the Port Discovery automatically or manually If Port Discovery is executed automatically WWNs connected to all the external ports of the local storage system will be searched for If Port Discovery is executed manually you can select a specific external port and limit the scope to search WWNs If you can specify which external port to search for you can reduce the operation time by executing the Port Discovery manually Volume Discovery is a process to search for and get information about external volumes from the target ports of the external storage system Volume Discovery is automatically executed after the Port Discovery process Note When a port in an external
89. as set in the list of the Path Operation window The contents displayed in the Preview dialog box have not been applied to the local storage system yet Using the Universal Volume Manager GUI 4 13 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide e Apply button Applies the settings in the Preview dialog box to the local storage system When the settings are applied successfully they are removed from the Preview dialog box and the settings in blue and italics in the Path Operation window is displayed normally When the settings are not applied the error messages are displayed and the settings in blue and italics remain displayed in the Port Operation window To refer to the error detail click Preview to open the Preview dialog box e Cancel button Cancels all the settings in the Preview dialog box Path Operation Tree The Path Operation tree is a tree on the left side of the Path Operation window consisting of a tree and a drop down list which is used to switch the display of the tree The Path Operation tree consists of e Drop down list A drop down list to switch the items displayed in the Path Operation tree You can select which side to display the information on cross subsystem paths from Fibre Local Subsystem Displays ports in the local storage system Fibre External Subsystem Displays ports WWNs in the external storage system e Tree The following items are di
90. ath when the primary path set in mapping operation cannot be used due to for instance maintenance operation in the storage system or a failure in the channel processor Because the path is switched to the alternate path the I O operation to the external volume continues even though an error occurred in the original path A Note When the primary path cannot be used for three minutes continuously the path is switched to the alternate path Examples of Alternate Paths Figure 2 3 illustrates an example of setting an alternate path External storage system ports WWN A and WWN B are connected to CL1 A and CL2 A respectively which are set to the external ports in the local storage system You need to specify the port of a different cluster in the local storage system for the alternate path Therefore CL1 port and CL2 port are specified About Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide External Storage System Local Storage System External CL1 A Internal External Volume Volume External Path 2 CL2 A Legend g Internal volume where external volume is mapped Figure 2 3 Example of Alternate Path Setting Figure 2 4 illustrates an example of setting an alternate path when a switch is used Two ports are specified in the local storage system and connected to the ports in the external storage system through
91. ations 5 25 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide To replace all the current cross subsystem paths A and B with newly added cross subsystem paths C and D 1 2 Execute the Disconnect Paths command on the cross subsystem path A Disconnect the cable which the cross subsystem path A uses and connect the cable which the cross subsystem path C uses Cancel the configuration of the cross subsystem path A and add the cross subsystem path C 4 Click Apply to apply the settings of the cross subsystem paths A and C 9 Make sure the status of the cross subsystem path C is Normal At this point the cross subsystem paths B and C are configured as normal paths Take the following steps to delete the cross subsystem path B and add the cross subsystem path D Execute the Disconnect Paths command on the cross subsystem path B Disconnect the cable which the cross subsystem path B uses and connect the cable which the cross subsystem path D uses Cancel the configuration of the cross subsystem path B and add the cross subsystem path D Click Apply to apply the settings of the cross subsystem paths B and D 10 Make sure the status of the cross subsystem path D is Normal Checking the External Volume Details You can check the details on the mapped external volume using the LDEV Information dialog box and the details on the mapping path using the Mapping Path Information dialog
92. cacnaateasccasnasnaasesasqaececedtaceasdaasscanubsudcdsnnsanateeusacmuaseonaseaaatad 3 2 Storage Systems Supported as External Storage Systems ccceceseeeseseeeeeeeeeeeees 3 2 Universal Volume Manager Requirements ssssssssssrrssrsnsrnsrsnrrnnrnnnrnnnnrnnnnnnenneno 3 5 Guidelines for Universal Volume Manager Operations s sssssssssssrrsrrserrnsresrresrens 3 6 Mapping Guidelines os ss os ek inorse aan ee aa Ea e E a nRa 3 6 Recommended Applications according to the HDD Type sssssssssssssrsssrssrrssrrsrresrns 3 7 Capacity GUIGOINSS visceipciriiacsanicens anaa aaa aaa aaka AE 3 8 Guidelines for Mainframe VOIUMES ccccseecsssecsceseeeesseesseeceeeseeesseeessnensaes 3 9 Volume Attribute Guidelines s ssessesssssnenssrsnernenersnronsnenersenesnnsenennnsannennnnnnenne 3 10 Creating LUSE Volume Guidelines ccccccceeecseceeecaeecseeaeeeaeesaeeseeeaeesaeesenenenes 3 10 Maintenance Guidelines for an External Storage System sssssssssssrssrrrsrrerrsrrns 3 11 Performance and Status Guidelines ssssssssssssssrsssrsnrnnnrrnnrrnnnnnnnnnnnnnennnnnnnnnn 3 11 RAID Level Considerations csscccssecssseeceeeeeeeeessescusensneseeeenseeecusesseeensanensnss 3 12 Thunder 9500V Series GUIGElINGS ccceeecceeeeee eee eeeseeeesaeeesaeeeseeesaeeesaeeenaeenaes 3 12 Installing and Uninstalling Universal Volume ManaQel cceseeeeseeesseeeneeenaeeens 3 13 iv Contents Hitachi Universal Storage Plat
93. ceeeeeeeeeeeeee teres eres sere antes eeeaaeeeaaeeeaeensaeenaaees A 12 Path Status and Examples of Recovery Procedure 9900 cccssseesseeeseeees A 12 BV 5200 Storage SY SHSM wictenndicdacaneandacunnnt Goiavduweatsuidndneatholeddumaredoladhnnebnedenesins A 13 Path Status and Examples of Recovery Procedure SVS200 seses A 14 EVA Storage SySteMss sosisini anainn aE Eaa Ea ANA A 15 System Parameter Settings for Connecting EVA Storage System s es A 15 Identifying Logical Volume of EVA Storage System Using Characteristic 2 ssssssessersnseresseserserennrseresnnnennnnennnnennennnnnne A 15 Note on Behavior of Alternate Path when EVA Storage System is Sopa or E E T A 17 System Parameter Settings for Connecting Sun StorEdge 6120 6320 A 17 System Parameter Settings for Connecting Sun StorageTek FlexLine 380 A 18 System Parameter Settings for Connecting Sun StorageTek 2540 assesses A 18 Cross Subsystem Paths for Connecting Sun StorageTek V2X2 essees A 18 System Parameter Settings for Connecting EMC CLARIION CX600 ccceeee A 19 System Parameter Settings for Connecting IBM DS4000 Series ccccceeeeee sees A 19 Non Hitachi Storage Systems 2 ccccsceesseeceeeeceeeeseeseceesceneeceseeseeessneeseneeceeees A 19 Required Volume Capacity for Each Emulation Type csssccssesseeeseeeees B 1 How to Figure Out Required External Volume Capacity cccssseessseeseeeseeeeneeeens B 1 Capacity List f
94. chi Data Systems representatives and Authorized Service Providers who are involved in installing configuring and operating the Hitachi Universal Storage Platform V and Hitachi Universal Storage Platform 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 Hitachi Universal Storage Platform V and Hitachi Universal Storage Platform VM storage systems and has read the Universal Storage Platform V and Universal Storage Platform VM User and Reference Guide e The user is familiar with the Storage Navigator software for the Universal Storage Platform V and Hitachi Universal Storage Platform VM storage systems and has read the Storage Navigator User s Guide Product Version This document revision applies to USP V VM microcode 60 02 4x and higher Document Revision Level Cea l e o a MK 96RD626 P February 2007 Preliminary Release MK 96RD626 00 April 2007 Initial Release supersedes and replaces MK 96RD626 P MK 96RD626 01 May 2007 Revision 1 supersedes and replaces MK 96RD626 00 MP 96RD626 02 July 11 2007 Revision 2 supersedes and replaces MK 96RD626 01 MP 96RD626 03 September 2007 Revision 3 supersedes and replaces MK 96RD626 02 MP 96RD626 04 September 2007 Revision 4 supersedes and replaces MK 96RD626 03 MK 96RD626 05 November 2007 Revision
95. closes the dialog box e Cancel button Cancels the settings and closes the dialog box e Pop up Menu Right click a row in the Configure Cross subsystem Paths dialog box to perform the following operations from the pop up menu Table 5 2 Pop up Menu in the Configure Cross Subsystem Paths dialog box Right clicked Pop up Description Area Menu WWYN in the Add Allows you to add cross subsystem paths Available Paths Selected Paths Delete Allows you to delete the selected cross subsystem path Raise Allows you to raise the priority of the selected cross Priority subsystem path Lower Allows you to lower the priority of the selected cross Priority subsystem path Configuring Cross subsystem Path You can configure the cross subsystem path using the Configure Cross subsystem Paths dialog box This section explains the procedure to adda cross subsystem path to an existing path group To create a new path group and configure cross subsystem paths you need to operate the mapping operation Performing Universal Volume Manager Operations 5 21 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide To add the cross subsystem path to an existing path group 1 2 3 Start Storage Navigator and open the Volume Operation window Make sure that Storage Navigator is in Modify mode Click the path group that you want to add a cross subsystem path in the Volume Operation tree Right click
96. d If you want to delete the external volume mapping individually you first need to execute the Disconnect Volume command and then the Delete Volume command Check Paths amp Restore Volume command The Check Paths amp Restore Volume command checks if the defined information about the mapped external volume and the actual external volume status match If the external volume can be used as the mapped volume as the result of the check the external volume is set to accept the I Os and you can continue using the external volume as a mapped volume The Check Paths amp Restore Volume command can be used to restore the external volume which is set to reject the host I O by the Disconnect Subsystem command or the Disconnect Volume command as the mapped volume The Check Paths amp Restore Volume command can be executed for both the whole storage system and for the individual volume If an error occurs in the path firstly remove the error in the path to make the path restorable and then execute the Check Paths amp Restore Volume command A Note When the Check Paths amp Restore Volume command is executed and the external volume is ready to be restored as the mapped volume the external volume is set to accept the I Os and you can resume using the external volume as a mapped volume However if the external volume is not ready to be restored the external volume status remains blocked Turning On or Off Only the External Sto
97. d CU number to the specified LDEV from the drop down list on the right of the LDEV Mapping Manual dialog box 4 Click the cell of the desired LDEV number in the LDEV map on the right of the LDEV Mapping Manual dialog box The selected cell turns blue and the assigned LDEV number is displayed in the LDKC CU LDEV column 5 Make the settings to all the LDEVs in the LDKC CU LDEV column repeat step 2 through step 4 6 Click OK The specified numbers are assigned to the LDEVs However the Add Volume dialog box displays only the LDEV number assigned for the first LDEV of each external volume Performing Universal Volume Manager Operations 5 17 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Bf LEV Mapping Manual LDKC CU LDEV Sect Limited C Unlimited MI E3 1 00 01 01 p z LDKC 00 012345 678 9 ABCODE F gt FO ox coce Figure 5 8 Example of LDEV Mapping Manual Dialog Box AN Note You can also assign contiguous LDEV numbers to LDEVs using this dialog box To assign contiguous LDEV numbers to LDEVs select multiple LDEVSs at step 2 and specify the starting LDEV number at step 3 and 4 You can set Interval if necessary Setting the Cross subsystem Paths You need to configure the cross subsystem path from the internal volume to the external volume before using the external volume mapped as an internal volume You can configure the cross sub
98. d to the command device in the external storage system to operate the ShadowImage pair or the TrueCopy pair in the external storage system For detailed information about CCI and the command device see the Command Control Interface User and Reference Guide Open system Host Open Fibre Local Storage Syste Connected by Open Fibre Remote Command ETI SE EE l Device Remote Command Device Legend 2 Remote command device J Z Command device Logical device CCI commands Lines showing the concept of mapping Figure 7 1 Outline of Remote Command Device 7 2 Remote Command Devices Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Guidelines for Remote Command Devices Notices on remote command device are as follows e You can map a command device as a remote command device when one of the following storage systems is connected as an external storage system Universal Storage Platform V Universal Storage Platform VM TagmaStore Universal Storage Platform TagmaStore Network Storage Controller TagmaStore Adaptable Modular Storage TagmaStore Workgroup Modular Storage Lightning 9900V series Thunder 9500V series SANRISE Universal Storage Platform SANRISE Network Storage Controller SANRISE Adaptable Modular Storage SANRISE Workgroup Modular Storage SANRISE9900V series SANRISE9500V series H24000 H2000
99. dialog box consists of e List LDKC CU LDEV The LDKC CU LDEV number of the LDEVs created in the external volume Emulation Type The emulation type of the external volume set when it was mapped Capacity Capacity of the external volume is displayed When the emulation type of the mapped external volume is for the open system the capacity is displayed in Blocks When the emulation type of the mapped external volume is for the mainframe system the capacity is displayed in Cylinder e Close button Closes the LDEV Information dialog box e Pop up menu The LDEV Information dialog box does not have a pop up menu that can be displayed Performing Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide 5 27 Mapping Path Information Dialog Box The Mapping Path Information dialog box displays the information on the mapping paths which connect the internal volume and the external volume Mapping Path Information 0111111000000000 0111111000000001 Figure 5 14 Mapping Path Information Dialog Box The Mapping Path Information dialog box consists of e List Priority Priority of the mapping path 1 indicates the mapping path with the highest priority Port The port number in the local storage system connecting to the external storage system WWN Identification number of the port in the external storage system
100. dit the mapping policy 1 Start Storage Navigator and open the Volume Operation window 2 Make sure that Storage Navigator is in Modify mode 3 Right click Subsystem in the Volume Operation tree 4 Click Edit Policy in the pop up menu The Edit Policy dialog box is displayed 5 Click Default Policy in the Pattern 6 Edit the settings in the Policy 7 Click Close to close the Edit Policy dialog box The mapping policy is changed and then the Volume Operation window is displayed Edit Policy Dialog Box The Edit Policy dialog box allows you to edit the mapping policy Bf Exit Poticy Policy Emulation Type OPEN l Except OPEN CLPR Oy SLPR 0 Cache Mode Enable C Disable Inflow Control C Enable Disable Number of LDEVs 2048 x PUO Enua c Enable Figure 5 16 Edit Policy Dialog Box The Edit Policy dialog box consists of e Pattern Mapping policies Default Policy is prepared e Policy The content of the selected mapping policy is displayed Emulation Type The emulation type of the external volume To select an emulation type other than OPEN V select the Except OPEN V check box and select the emulation type from the drop down list 5 44 Performing Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide CLPR CLPR used for accessing to the mapped volume when the cache memory is partitioned using Virtual Partition Manager SLP
101. e Go on to the step 4 4 To perform the host I O operations set the LU path from the Target port to the mapped volume After the LU path is set the host I O operation to the mapped volume becomes available 2 22 About Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Host Set the Target port and set the LU path from the Target port for the host I O Local Storage System External Storage System Internal volume where the external volume is mapped i External volume Figure 2 10 Storing the New Data in the Mapped External Volume Using Existing Data in the Mapped External Volume To use the existing data in the mapped external volume from the host that is connected to the local storage system 1 2 Store the data from the host that is connected to the external storage system to the volume in the external storage system Map the volume containing data in the external storage system as an internal volume of the local storage system using Universal Volume Manager When you map the external volume set the attributes of the mapped volume as follows Emulation type OPEN V Note You have to set the emulation type to OPEN V to read the existing data in the mapped external volume from the local storage system side Set the LU path from the Target port to the mapped volume to perform the host I O operation
102. e Operation window is displayed normally When an error occurs an error message is displayed Verify the details in the Preview dialog box Performing Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide fi Configure Cross subsystem Paths Port Discovery Product Name Sears i 4 USP CL1 A 0111111000000000 0111111000000001 Selected Paths priory Port G w _k Figure 5 11 Pop up Menu of Configure Cross subsystem Paths Dialog Box Changing the Configured Cross subsystem Path Priority To change the cross subsystem path priority use the Raise Priority command and the Lower Priority command displayed in the Configure Cross subsystem Paths dialog box The following is an example of procedure to make the cross subsystem path to the currently used path by raising the priority of the cross subsystem path 1 2 3 Start Storage Navigator and open the Volume Operation window Make sure that Storage Navigator is in Modify mode Click the path group to which the cross subsystem path belongs in the Volume Operation tree Right click the cross subsystem path in Cross subsystem Paths in the Volume Operation list Click Configure Cross subsystem Paths in the pop up menu The Configure Cross subsystem Paths dialog box is displayed Right click the cross subsystem path that you want to change the priority of in the Selected Paths
103. e external storage system is propagated synchronously Disable or asynchronously Enable Inflow Control displays if the writing operation to the cache memory is stopped Enable or continued Disable when the writing operation to the external volume is impossible Path Mode indicates how the cross subsystem paths work Device product name reported to the host by the external volume Ext VOL Info information about the external volume Capacity blocks capacity of the external volume in Blocks Characteristic2 extended identification number of the external volume e OK button Saves the settings and closes the dialog box e Cancel button Cancels the settings and closes the dialog box e Pop up Menu Right click a row in the Add Volume dialog box to perform the following operations from the pop up menu Table 5 1 Pop up Menu in the Add Volume dialog box Set External Displays the Set External Volume Parameter dialog box This dialog box allows Volume Parameter you to set the parameters LDEV Mapping Displays the LDEV Mapping Auto dialog box This dialog box allows you to Auto specify the LDEV number to the first LDEV in the external volume LDEV Mapping Displays the LDEV Mapping Manual dialog box This dialog box allows you to Manual specify the LDEV number to all the LDEVs in the external volume Delete Allows you to delete the external volume from the Add Volume dialog box Performing U
104. e can be resumed as a mapped volume as a result of the checking processing the volume status is set to be available for the I O operation Performing Universal Volume Manager Operations 5 37 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Caution After you have executed the Check Paths amp Restore Volume command check the current progress status To refresh the displayed information make sure the button name on the upper right of the Storage Navigator main window is Status Enable and click File and Refresh on the menu bar of the Storage Navigator main window Note When the Check Paths amp Restore Volume command is executed and the external volume is ready to be restored as the mapped volume the external volume is set to accept the I Os and you can resume using the external volume as a mapped volume However if the external volume is not ready to be resumed the status of the disconnected volume remains as Blockade Resuming All External Volumes Check Paths amp Restore Volume To resume all the external volumes in the external storage system at once I 2 a Start Storage Navigator and open the Volume Operation window Make sure that Storage Navigator is in Modify mode Right click the product name that you want to resume connection in the Volume Operation tree Click Check Paths amp Restore Volume in the pop up menu The settings are displayed in blue and italics Ver
105. e external storage system to the target port If you cannot restore the path call the Hitachi Data Systems Support Center Unknown port Status The port attribute of the external storage system is unknown Reaction The port of the external storage system is recognized Check the condition of the connection e g cables switches to the external storage system If you cannot restore the path call the Hitachi Data Systems Support Center Cannot detect port Status The path has been removed or the port of the external storage system cannot be found There is a problem with connection to the external storage system The following are possible causes The fibre cable is not physically connected in the proper way The setting of the topology does not match between the external port and the target port Because the security is set on the port the device of the external storage system cannot be recognized from the local storage system If the external storage system is connected through switches the settings for the switches may not be appropriate Reaction Check the condition of the connection to the external storage system If you cannot restore the path call the Hitachi Data Systems Support Center Internal error Status The program error occurred Or there is a logical contradiction Reaction Call the Hitachi Data Systems Support Center Timeout Status The processing was retried because
106. e group Preparing for Universal Volume Manager Operations 3 5 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Guidelines for Universal Volume Manager Operations This section provides guidelines for the Universal Volume Manager operations Mapping Guidelines 3 6 Before mapping external volumes make sure that external volumes are not reserved by a host External volumes that are reserved by a host cannot be mapped as internal volumes If external volumes are reserved by a host cancel the reserve settings and then map the external volumes Once external volumes are mapped do not reserve the external volumes for a host If external volumes are reserved by a host internal volumes to which the external volumes are mapped will be blocked Make sure that an external volume is accessed only from the local storage system side once the external volume is mapped Make sure that the external volume which has been mapped as an internal volume is not accessed from the host that is connected to the external storage system Make sure that the external volume which has been mapped as an internal volume is not manipulated by copy function or some other functions of the external storage system Hosts can access the external storage system volumes that have not been mapped as the internal volumes There is no restriction Do not map multiplatform volumes of external storage systems as int
107. e may have been changed by LUN Security XP Extension Check the access attribute of the volume If the volume is protected by the access attribute release the protection Cannot detect port There is a problem with connection to the external storage system The possible causes are The fibre cable is not physically connected in the proper way The setting of the topology does not match between the external port and the target port If the external storage system is connected through switches the settings for the switches may not be appropriate Make sure that the fibre cable is connected properly and then set the fibre channel port properly using LUN Management The LUN security may have been enabled by LUN Management Check if the LUN security is enabled or not If the LUN security is enabled disable the LUN security A 14 Connecting External Storage Systems Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide EVA Storage System System Parameter Settings for Connecting EVA Storage System When you connect an EVA storage system as an external storage system set the system parameters of the EVA storage system according to the following table For the system parameters that are not in the following table refer to the manuals of the EVA storage system and set the parameters appropriately for the connecting configuration Table A 14 System Parameter Settings for Connecting EVA St
108. ed Journal Check points Operation from TPF Not Supported Not Supported File Operation from Host OK Not Recommended Both of Read and Write File Operation from Host OK OK Mainly Read Backup OK Recommended Archive OK Recommended Preparing for Universal Volume Manager Operations 3 7 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Capacity Guidelines 3 8 When a volume which has the capacity of 4 TB or less in the external storage system external volume is mapped with the setting of OPEN V emulation type the volume is defined as the internal volume that has the same capacity as the mapped external volume External Volume LDEV LU The capacity is 4 TB or less OPEN V emulation type Figure 3 1 Example of External Volume of 4 TB or Less You cannot access the data that is stored in the field over the maximum capacity of the external volume The maximum volume capacity differs depending on the emulation type that you specify at the external volume mapping When an external volume is mapped as internal volume s with the setting of the emulation type other than OPEN V the number of volumes and the volume capacity of the mapped external volume s depend on the capacity of the original external volume and the basic capacity of each emulation type When an external volume is mapped with the setting of emulation type other than OPEN V the data management information area is required to be pro
109. ed storage pool comprised of external storage volumes can be used with storage system based software for data migration and replication as well as any host based application Combined with Hitachi Volume Migration software Universal Volume Manager provides an automated data lifecycle management solution across multiple tiers of storage The key features and benefits of Universal Volume Manager include Universal Volume Manager virtualizes external storage attached to the USP V VM storage system Enables deployment of multi tiered storage Integrates heterogeneous systems Creates pools of storage independent of physical location Creates new opportunities based on enhanced capability of existing business continuity software and management tools to external storage devices Overview of Universal Volume Manager Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Unifying Copy Operations between Different Storage Systems When you copy data between different storage systems the copy operations are usually different depending on the storage system which you use If you install Universal Volume Manager you can perform the following copy operations in the same way as when you copy data between volumes in the USP V VM storage system e To copy data between a volume in the USP V VM storage system and a volume in an external storage system e To copy data between a volume in an external storage system and a vol
110. em Parameter Settings for Connecting IBM DS4000 Series host type When alternate paths are connected to different clusters on the DS4000 series side Linux Non Hitachi Storage Systems Generally when you connect a non Hitachi storage system as the external storage system the non Hitachi storage system port must be configured as a target attached to a Windows host The third party vendor should be contacted as necessary for the technical details to accomplish this Connecting External Storage Systems A 19 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide A 20 Connecting External Storage Systems Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Required Volume Capacity for Each Emulation Type When you map an external volume as an internal volume you need to specify the emulation type for the mapped volume The maximum capacity of an external volume depends on the specified emulation type How to Figure Out Required External Volume Capacity The capacity required for the LDEV to be mapped is the total capacity of the data area for storing the actual user data and the control information area for storing the control information The capacity of the data area called base data area Capacity and the capacity of the control information area called control information area capacity depend on the emulation type The minimum capacity of data area for Custom sized Volume C
111. ements Guidelines for Universal Volume Manager Operations Installing and Uninstalling Universal Volume Manager Starting Universal Volume Manager Preparing for Universal Volume Manager Operations 3 1 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide System Requirements The system requirements for Universal Volume Manager are USP V VM storage system First storage system All the necessary hardware and microcode required for Universal Volume Manager operations must be installed and enabled In this user s guide the first storage system is called local storage system Storage system other than the first storage system A second storage system must be available and operated as an external storage system The kinds of storage systems that can be used as an external storage system include the Lightning 9900V series storage system the Thunder 9500V series storage system the Lightning 9900C series storage system and other similar storage systems USP V VM Storage Navigator computer user supplied computer See the Storage Navigator User s Guide for instructions on installing and using the Storage Navigator computer A Note You must operate the Storage Navigator computer in Modify mode to perform Universal Volume Manager operations Users in View mode can only view Universal Volume Manager information License key for Universal Volume Manager program product You need
112. ent of the LDEV dialog box in a file and view the file For details on the LDEV dialog box see the Storage Navigator User s Guide Using Spreadsheets for Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Column Parameter in Spread sheet Range of Values Number of Characters F Capacity Capacity of the LDEV in blocks When the emulation type is OPEN V specify the value in the range of 96000 and 8589934592 When the emulation type is other than OPEN V specify one of the following If the capacity of the external volume is larger than the base LDEV capacity specify the base data area capacity If the capacity of the external volume is equal or smaller than the base LDEV capacity specify the value that is calculated by subtracting the control information area capacity from the capacity of the external volume In this case one LDEV will be created in the external volume Also make sure that the capacity of the external volume is greater than or equal to the capacity that is the sum of the total capacity of all the LDEVs in the external volume and the control information area capacity For details on the values for each emulation type see Required Volume Capacity for Each Emulation Type 1 to 8589934592 10 decimal digits or less G SSID SSID assigned to the range of the LDEV numbers Specify t
113. epresentation of an external volume LDEVs Logical Devices in an external volume Cross subsystem path Mapping path The following figure illustrates the relations of the Universal Volume Manager components Local Storage System External Storage System uu Setor View oa FNL Bs a s O m Meo p lt External Ry Volume Storage r SVP Navigator Web Server LDEVs in the Computer External Volume Cross subsystem Path pee ee AR 1 rae Mapping Path 6 Volumes installed in the storage system Virtual volumes that do not have physical memory space Lines showing the concept of mapping Figure 2 2 Universal Volume Manager Components This section describes the details of the storage systems cross subsystem paths volumes and mapping paths as shown in the above figure 2 4 About Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Storage Systems and Cross subsystem Paths Before using Universal Volume Manager connect the fibre channel port of the local storage system to the external storage system port with the fibre cable The route between ports which is connected with the cable is called the cross subsystem path The fibre channel port of the local storage system is set to connect to the host by default The fibre channel port can be connected to an external storage system if you change the attribute of the fibre channel port s
114. ept OPEN V check box the emulation types for the open system other than OPEN V are also displayed in the drop down list 5 10 Performing Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide e Number of LDEVs You can select the maximum number of LDEVs which can be created in the external volume when you map the external volume The number of LDEVs that can be created in the external volume is different corresponding to the capacity supported by the emulation type specified in the Emulation Type The number of LDEVs which are actually created in the external volume is displayed in the Number of LDEVs column in the Add Volume dialog box after you set this parameter in the Set External Volume Parameter dialog box e Cache mode Cache mode specifies if the write data from the host is propagated synchronously Disable or asynchronously Enable to the external storage system Data that is not written by the host for example data written by ShadowImage is asynchronously destaged to the external storage system regardless of the Cache Mode setting If you set Disable the bind mode of Cache Residency Manager cannot be set e Inflow Control Inflow Control specifies if the writing operation to the cache memory is stopped Enable or continued Disable when the writing operation to the external volume is impossible e CLPR When the cache memory is partitioned using Virtua
115. erations Universal Volume Manager enables you to execute the following operations Preparing to use external volumes You can map external volumes set port attributes and set cross subsystem paths Preparing to manipulate the power supply of the storage systems You must follow specific procedures if you want to manipulate the power supply of the storage systems when external volumes are used To turn on or off the power supply of the external storage system after starting to use the external volumes you need to execute the commands of Universal Volume Manager Setting up and removing the cross subsystem paths When you set up or remove the path cable connecting the storage systems you need to use the Universal Volume Manager to make settings on the path Referring to the status of external volumes You can refer to the status and the configuration of external volumes Stopping the use of external volumes You can cancel mapping of external volumes Mapping external volumes by using spreadsheets Universal Volume Manager supports the Configuration File Loader spreadsheets Spreadsheets allow you to configure the mapping of multiple external volumes at one time which is efficient when mapping a large number of volumes Setting the remote command device By using the remote command device you can manipulate volumes in the external storage system from the Command Control Interface on host computers About Universal Volume
116. ernal volumes When an external storage system that has an ownership is connected to USP V VM storage system configure the cross subsystem path to the primary controller in the external storage system as primary path Ownership is an exclusive right to control volumes A controller that has an ownership is called a primary controller If a cross subsystem path to a controller without ownership is configured as primary path the ownership will be transferred and it may affect the performance Preparing for Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Recommended Applications according to the HDD Type Table 3 3 and Table 3 4 show the recommended level of the application of mapped external volume according to the HDD type of the external volume Table 3 3 When the Emulation Type of the External Volume is for OPEN Application HDD Type FC SATA Database Not Recommended Not Recommended Online Transaction Processing OLTP File Operation from Host OK Not Recommended Both of Read and Write File Operation from Host OK OK Mainly Read Backup OK Recommended Archive OK Recommended Table 3 4 When the Emulation Type of the External Volume is for Mainframe Application HDD Type FC SATA Database Not Recommended Not Recommended Online Transaction Processing OLTP System Volumes Not Recommended Not Recommend
117. ernal storage system The device information about the command device that is reported to the host by the remote command device includes the followings Serial number Vendor Device name A Note The device name that is reported to the host is same as the one displayed in the Device column of the Volume Operation window For the device name that is reported to the host see Table 7 1 Remote Command Devices Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide e Even if the status of the remote command device is normal an error may occur when the operations or commands are performed on the remote command device If an error occurs even though the status of the remote command device is normal check the status of the command device of the external storage system not the remote command device e There are following restrictions for mapping a command device as a remote command device Table 7 2 Restrictions on Remote Command Device Coo a o O O oO Emulation type OPEN V Number of LDEVSs in an external volume 1 Cache mode Disable Minimum capacity 96 000 Blocks about 47 MB Maximum capacity 4 TB e The remote command device cannot be identified by the Port Discovery or Volume Discovery of Universal Volume Manager e When an external storage system A has a remote command device B that is when a command device in another external storage system C is mapped to t
118. es 4 18 Port Operation WIMGOW 5 sxsccccccsexencdectenncescsecicedeentgocdes ino bicreennaiienxberstiorecperectes 4 19 Port Operation WINS Sis a crcsinctuca ro eciecnsisoesuasscencnteessaenscdeciecsanssdarsseasponraiskesenceanasaanance 4 20 Port Op ration Est tctcctenuscasasancncsdaqaidaemanaaseasitedaaesanauuaacnumncunsmenidsemanasiaadeaacaas 4 21 Performing Universal Volume Manager Operations cccsscesseeeseeeeeeeeaes 5 1 Overview of Setting Operations cccccscecseeeeseeceseeeeeeeseeeeseeeeseeesueessenesseeenaeees 5 2 Setting Port of External Storage SYSteM ccieeeceeeeseeeeeeeeeeeeese eres eeeeaeeesaeeenaeeena eee 5 3 Setting Port Attribute for Local Storage SYStEM cccecseesseeeeseeeseeeeeeeeeaeeesaeeenae ees 5 3 Mapping an External Volume Automatically ccceeceeeeeeeeeeeeeeeeeeeaee sees aeeeesaaeeees 5 4 Mapping an External Volume Manually ccceeeeeeeeeeeeeeeeeeeeeeeeeeeeaaeeeeeaeeeeeaaeeees 5 6 Add Volume Dialog BOX se sscircscceocsacccsenascancndcmcian axsas aanmon tase senciecsataacs asesancadaacmenten 5 8 Set External Volume Parameter Dialog BOX sccecseeeseeeeeeeeseeeseeesaeeesaeeenaeeenees 5 10 LDEV Mapping Auto Dialog BOK gssecaedecetsccenth neler dnnidavaredd ned demasdsieniubaedeentacs 5 11 LDEV Mapping Manual Dialog BOX cica2o2 c605 cceccctatececmecaeotieion rs eectecsaoeedecseee 5 13 SSID Dialog BOX sasccet Sera tecteseebctnaiieien peor soibe dance bonie hereto iaced cee eee g
119. eter Settings for Connecting Sun StorageTek 2540 host type Windows 2K non Clustered DMP Cross Subsystem Paths for Connecting Sun StorageTek V2X2 A 18 When you connect a Sun StorageTek V2X2 as an external storage system make sure that only one cross subsystem path is configured when you map external volumes Do not add any alternate paths after you finish mapping external volumes Connecting External Storage Systems Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide System Parameter Settings for Connecting EMC CLARIION CX600 When you connect an EMC CLARiiON CX600 as an external storage system set the system parameters of the EMC CLARiiON CX600 according to the following table For the system parameters that are not in the following table refer to the documentation of the EMC CLARiiON CX600 and set the parameters appropriately for the connecting configuration Table A 18 System Parameter Settings for Connecting EMC CLARiiON Cx600 Initiator Type CLARiiON Open Failover Mode 2 System Parameter Settings for Connecting IBM DS4000 Series When you connect an IBM DS4000 series as an external storage system set the system parameters of the IBM DS4000 series according to the following table For the system parameters that are not in the following table refer to the documentation of the IBM DS4000 series and set the parameters appropriately for the connecting configuration Table A 19 Syst
120. external volume is online from the mainframe host Stop the host I Os to the volume and perform the Vary Offline operation The external volume includes the LDEVs that are set as the pair of the copy program products Delete the pairs However you can disconnect external volumes without deleting pairs when the ShadowImage pair status is PSUE or when the ShadowImage for IBM z OS pair status is Suspend The external volume includes the LDEVs that are registered to a pool for Copy on Write Snapshot as pool volumes Change the status of the Copy on Write Snapshot pair to PAIR The external volume includes the LDEVs that are registered to a pool for Dynamic Provisioning as pool volumes Perform the following operations on all the Dynamic Provisioning volumes V VOLs that are associated with a pool to which the external volume is registered Stop the use of the Dynamic Provisioning volumes Block the Dynamic Provisioning volumes by using the VLL function for blocking volumes The external volume includes the LDEVs for which the migration processing of Volume Migration is in progress Delete the migration plans Note The copy program products includes ShadowImage ShadowImage for IBM z OS Universal Replicator Universal Replicator for IBM z OS TrueCopy TrueCopy for IBM z OS and Copy on Write Snapshot Performing Universal Volume Manager Operations 5 35 Hitachi Universal Storage
121. form V VM Universal Volume Manager User s Guide Installing Universal Volume Manager ceceeeeseeeeseeeeaeeeeaeeeseeesaeeesaeeenaeeenaeeenees 3 13 Uninstalling Universal Volume Manager ccseeeceeeeeeeeeseeesaeeenaeeenaeesaeeseaeensaeeenes 3 13 Starting Universal Volume Manager ccsecccsscceseesceeeeseeeeseecseseeeeesenessnnensaes 3 14 Using the Universal Volume Manager GUI cssccsseseseseeseeeeesenenees 4 1 Volume Operation WINDOW sicecisans szanccnsondandeatacneimdsdncasneccancanned iamnasnstnannapsdnansamonrcid 4 2 Volume Operation TGCS sincsicc cecsasctndcuneecadsesccaun manesaanexcassdanasssdnnacaciedsedaseaiecaanacad 4 4 Volume Operation List When Subsystem or Product Name is Clicked 4 5 Volume Operation List When Path Group is Clicked ccsseecsseeeneeeeeeeeeaeeesaeeenes 4 6 Preview Dialog BOK ssc tia cccsageeneecteseiteetoncniunridbnietoseceecciedsaiendevneboscedeuntueeteeien on 4 10 Path Operation WINdoOW scccctinnd aneiethocu tabi ace sostcabuebeatesdonsetenseluccanteenndaneneesledancatic 4 12 Path Operation Tree essssensssunsnsnnsnensunenssnnnsanensnsanennunansanensnnensnnunsnennanennenannan 4 14 Path Operation List When Subsystem is Clicked ssssssssssssssssssresrssrresrrerrenrrnns 4 15 Path Operation List When Product Name is Clicked ccccceeeseeeeeeeeeeseeseeeeaees 4 17 Path Operation List When Port or WWN is Clicked ccccceceeeeeeeeeeseeeseeeeeeeae
122. g External Volume Attributes cceceeeeeeeeeeeeee eres eeeeaeeesae essa eeaaeeeneees 2 9 Cross subsystem Paths sssesssssssnssressnsersnnenernonsrnnronsnnaresnenansenennnnennnnnrannonennn 2 11 Contents iii Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Connecting Mainframe V OIIMNGS 2siccesesiedeicel socdaainnciieiar dense ieesdasieeboied Matenncedbies 2 19 Connecting Open Systems VolUMEeS ssasicncenscsecceteiachas secdasebsocentedacbecsceiseesdeeueeneds 2 19 Choosing Mapping Policy s sssssssssssssssssrnsrrrsrrnrrrnrrnsrentrnsrnnnnnnnnnnnnnnnnnnnnrnnnnrenene 2 20 Difference between Automatic Mapping and Manual Mapping csseceseeeenees 2 20 Port Discovery and Volume DiScCovery sssssssssssrssrsnsrrnrrrnrrrnrrnnnnnnnnnrnnnennnenrnnnn 2 20 Using a Mapped External Volume from a Connected Host cccceeeeeeeeseeeeeeees 2 22 Storing New Data in the Mapped External VolUME s sssssssssssssrrsrrrnrrsnrresresrsesens 2 22 Using Existing Data in the Mapped External VolUMEe ssssssssssssssssrrsrrsrrrerresrrerrssns 2 23 Interoperability with other Products and Functions s sssssssnsssrsrrnrrnnrnrenreneenns 2 25 LUN Manager and Configuration File Loader ssssssssssssssrsnrrssrrnsrsnrsernnsrrenrnnrnnnn 2 25 LUN EXPANSION iiisseserads inneni EE EEEa EREE ETIENNE 2 25 Virtual A UN s ecsaceaaesehccaacaadsetedaacaceiaatecaaeute rae a EE Ei ENEE EEEE Eai 2 25 Cache Residency
123. ge the setting of the port of the external storage system in the Path Operation window For changing the setting of the port use the Change WWN Parameter dialog box A Cautions e If the default setting has no problem use the default setting as it is e For the volume used in usual I O set I O TOV within 15 seconds e For changing the setting match the value to the recommended value of the external storage system 5 42 To change the port setting of the external storage system 1 Start Storage Navigator and open the Path Operation window 2 Make sure that Storage Navigator is in Modify mode 3 Select Fibre External Subsystem from the drop down list above the Path Operation tree 4 Click the product name in the Path Operation tree Performing Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide 9 Right click the WWN that you want to change the setting in the Path Operation list Click Change WWN Parameter in the pop up menu The Change WWN Parameter dialog box is displayed Change the set parameter of the selected port on the Change WWN Parameter dialog box Click OK to close the Change WWN Parameter dialog box You are returned to the Path Operation window The selected items are displayed in blue and italics Verify the settings in the Preview dialog box 10 Click Apply in the Path Operation window The settings are a
124. ger can be classified into groups by usage Any group of this type is called an external volume group ExG For instance you can register multiple volumes in one external storage system to one external volume group Or you can register the volumes in one external volume group and manage them in block even though the data you want to manage in a lump is stored in volumes in the different external storage systems You need to assign numbers to external volume groups Configuring External Volume Attributes When you map an external volume as an internal volume you set the attributes of the external volume External volume attributes can be set using the mapping policy or the Set External Volume Parameter dialog box of the Universal Volume Manager The attributes of the external volume are as follows e Emulation type Select an emulation type for the mapped external volume from the drop down list The emulation type OPEN V must be selected if after the mapping you are planning to use the existing data in the external volume from the local storage system For example if you want to migrate the existing data in the external volume to the local storage system volume you have to set the OPEN V emulation type when the external volume is mapped If you select the emulation type other than OPEN V the volume requires a specific area provided for management data Once this area is provided volume capacity after the mapping becomes less th
125. ght click a row in the Path Operation list to perform the operations from the pop up menu Table 4 8 Table 4 7 Status of the Cross subsystem Path Displayed in the Status Displayed Description Item Normal The cross subsystem path is normal The status of the cross subsystem path is not retrieved yet Click Status Disable in the Path Operation window to display the status of the cross subsystem path Unknown The status of the cross subsystem path is unknown Blockade The cross subsystem path is blocked Disconnect Connecting to the external storage system or the external volume is intentionally stopped using the Disconnect Subsystem command or the Disconnect Volume command Warning There are cross subsystem paths whose status is not normal Check the status of the cross subsystem paths Checking The processing of checking the cross subsystem path status is in progress Table 4 8 Pop up Menu in the Path Operation List when Subsystem is clicked Disconnect Allows you to stop the use of the cross subsystem paths which are connected to the Paths selected external port of the local storage system Check Paths Allows you to resume using the cross subsystem paths which are connected to the selected external port of the local storage system 4 16 Using the Universal Volume Manager GUI Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Path Operation List When Produc
126. hange all the current cross subsystem paths to newly added cross subsystem paths with an example Figure 5 12 shows the overview of the operation and the status of the cross subsystem paths When you delete the current cross subsystem paths A and B and add new cross subsystem paths C and D you cannot delete both the current cross subsystem paths A and B in one operation because at least one current path which functions normally has to be configured In this case you need to delete the cross subsystem path A and add the cross subsystem path C and then apply the setting After that you need to delete the cross subsystem path B and add the cross subsystem path D C Execute the Disconnect Paths command External on the cross subsystem path A Volume el C External Volume Si Execute the Disconnect Paths command ee on the cross subsystem path B Volume o Delete the cross subsystem path B External add the cross subsystem path D Volume and then apply the setting Sa External Volume Delete the cross subsystem path A add the cross subsystem path C and then apply the setting Legend EA Py C Internal volume where external volume is mapped Cross subsystem path whose status is Normal Added cross subsystem path Figure 5 12 Overview of Operation to Replace All the Current Cross subsystem Paths with Newly added Cross subsystem Paths Performing Universal Volume Manager Oper
127. he SSID written in the file that you saved by using the SSID tag When you create an LDEV that does not have any SSID specify an SSID that is not written in this file For details on an SSID see the Virtual LVI LUN amp Volume Shredder User s Guide 0004 to FFFE Using Spreadsheets for Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide 4 hexadecim al digits or less 6 9 Example of a Spreadsheet This section shows an example of a spreadsheet that can be used for mapping an external volume in the following configuration e An external volume is configured as follows Map the volume to which 0001 is configured as a LUN that can be discovered through the primary path Use 1 for a path group number Configure E16384 4095 for an external volume group ExG e Two cross subsystem paths are configured as follows The primary path Port number on the local storage system 1A WWN on the external storage system 60060E8004F81370 The alternate path Port number on the local storage system 1B WWN on the external storage system 60060E8004F81371 e Attributes of an external volume are configured as follows Emulation type OPEN V Cache mode Enable Inflow control Disable CLPR 00 e LDEVs are configured as follows Number of LDEVs 3 LDEV number 00 00 00 00 01 00 00 02 00 LDEV capacity 96 000 blocks The example of a spread
128. he Table B 2 For the OPEN L emulation type CVs cannot be created Therefore the base data area capacity and minimum data area capacity for OPEN L emulation type are the same For the OPEN V emulation type the base data area capacity is not listed because there is no concept of the base data area capacity The base LDEV capacity the minimum LDEV capacity the maximum external volume capacity and the number of LDEVs that can be defined for the external volume with maximum capacity are listed in the Table B 3 For the OPEN L emulation type the base LDEV capacity and the minimum LDEV capacity are the same because CVs cannot be created For the OPEN V emulation type the base LDEV capacity is not listed because there is no concept of the base LDEV capacity Table B 2 LDEV Capacity Information for Each Emulation Type Emulation Minimum Data Area Base Data Area Capacity Control Information Area Type Capacity Capacity Blocks Cylinders Blocks Cylinders Blocks Cylinders 3380 3 72 000 50 4 808 160 3 339 10 080 7 3380 3A 72 000 50 4 808 160 3 339 10 080 7 3380 3B 72 000 50 4 808 160 3 339 10 080 7 3380 3C 72 000 50 4 808 160 3 339 10 080 7 3380 K 72 000 50 3 823 200 2 655 10 080 7 3380 KA 72 000 50 3 823 200 2 655 10 080 7 3380 KB 72 000 50 3 823 200 2 655 10 080 7 3380 KC 72 000 50 3 823 200 2 655 10 080 7 3390 3 87 000 50 5 809 860 3 339 10 440 6 3390 3A 87 000 50 5 809 860 3
129. he access attribute release the protection Connecting External Storage Systems A 11 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide path Status Examples of Recovery Procedure Cannot detect There is a problem with connection to the external storage system The possible port causes are The fibre cable is not physically connected in the proper way The setting of the topology does not match between the external port and the target port If the external storage system is connected through switches the settings for the switches may not be appropriate Make sure that the fibre cable is connected properly and then set the fibre channel port properly using LUN Manager The LUN security may have been set by LUN Manager Check if the LUN security is set or not If the LUN security is set remove the setting of the LUN security Lightning 9900 Storage System When you connect a Lightning 9900 storage system as the external storage system you need to set the host mode of the port to PC Server OC Also the port attribute must be the target port or the RCU target port Path Status and Examples of Recovery Procedure 9900 This section describes errors that require recovery operation on the external storage system side when the path status is not normal When the path status is not normal see the following table to recover the path status If you cannot restore the path c
130. he external storage system Even if the status of the primary path becomes this status the primary path is not changed to the alternate path immediately After the error recovery the status becomes Normal Reaction If the status cannot be recovered from the error the path status is changed to another status React to the new path status after the status is changed If you cannot restore the path call the Hitachi Data Systems Support Center The volume in the external storage system cannot be found even after the Port Discovery or the Volume Discovery was performed Remove the error and retry the operation The reason for the error could be as follows Storage Navigator is not in the Modify mode Port of the local storage system and the port of the external storage system are not connected Port security is set on the external storage system The device in the external storage system is not in the Normal status External storage system is not connected to the port set to External of the local storage system The capacity is not enough capacity is less than about 38 MB 77 760 blocks The cable for the switch is not connected appropriately The zoning for the switch is not set appropriately If none of the above corresponds to the actual factor disconnect the cable between the local storage system and the external storage system once and connect it appropriately again After 30 seconds retry the
131. he external volume which is mapped as an internal volume Turn on the power supply of the local storage system A Cautions e When the local storage system is turned off after the Disconnect Subsystem command is executed you cannot access the mapped external volume from the local storage system as you just turn the local storage system on It is necessary to execute the Check Paths amp Restore Volume command to resume using the mapped external volume The Check Paths amp Restore Volume command checks if the defined information and the actual status of the external volume mapped as an internal volume match If the external volume is ready to be used as a mapped volume the volume is set to accept the I Os and you can resume using the volume as a mapped volume e When the Disconnect Subsystem command or the Disconnect Volume command is executed and all the data in the cache memory is written to the external volume the displayed information for Ext VOL Status in the Volume Operation window becomes Disconnect Turning On or Off Both Storage Systems This section explains how to turn on or off the power supply of the local and external storage systems and uses ShadowImage as an example To turn off the power supply of both storage systems 1 Stop the read or write I O to the local storage system All read and write I Os with fibre channel connections should be stopped Split all ShadowImage pairs pairsplit operation
132. he list of the external volumes which can be mapped to the local storage system If you want to map the external volume you need to configure the external volume parameter and the LDEV number The parameter which you have not configured is displayed with To configure such parameter click the external volume having the parameter which you have not configured and open the other dialog boxes from the Add Volume dialog box Delete the external volume if the Add Volume dialog box contains the external volume that you do not want to map If aca volume Characteristic1 E Number of L xG Emulation Type LDEV b gt lolololojojlojojo v 4 ox cma Figure 5 2 Add Volume Dialog Box 5 8 Performing Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide The Add Volume dialog box consists of e List Characteristic1 identification number of the external volume ExG external volume group number and its sequential number Emulation Type emulation type of the external volume LDEV LDKC CU LDEV number which is assigned to the external volume Number of LDEVs number of LDEVs which are actually created in the external volume SLPR CLPR SLPR and CLPR used to access the external volume This is displayed when the cache memory is partitioned using Virtual Partition Manager Cache Mode displays whether the write data from the host to th
133. he remote command device 4 Change the setting of the port block from the Initiator External MIX mode to the Standard mode For procedure to change the setting of the port block see the LUN Manager User s Guide Restrictions on Initiator External MIX Mode The restrictions on the Initiator External MIX mode are as follows The restrictions on the High Speed mode are also restrictions on the Initiator External MIX mode For the restrictions on the High Speed mode see the LUN Manager User s Guide The point to point connection is not available You cannot set the Initiator External MIX mode on the external ports of the Standard mode that have already been used to map the external volumes You cannot set the Standard mode on the port of the Initiator External MIX mode that has already been used to map the remote command device You need to delete the mapping of the external volume and then change the setting of the port mode Using a port of the Initiator External MIX mode the command device of the external storage system can only be recognized by the discovery operation and mapped Other volumes can be neither recognized by the discovery operation nor mapped using the port of the Initiator External MIX mode Remote Command Devices 7 9 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide 7 10 Remote Command Devices Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide
134. his external storage system A make sure that the remote command device B does not have the smallest LUN on the port in the external storage system A e You cannot execute I Os to the remote command device e You cannot set the command device disable on the remote command device e You cannot set the command device security on the remote command device e Do not set the command device security on the external storage system side for the command device that is mapped as a remote command device e You cannot create a LUSE volume using a remote command device e You cannot create CVs using the VLL function in the remote command device e Cache Residency Manager is not available on the remote command device Remote Command Devices 7 5 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Mapping a Command Device as a Remote Command Device The command devices that can be mapped as remote command devices are displayed in the Device column of the Volume Operation window as shown in Table 7 1 To map a command device select a command device that can be mapped and follow the procedure in Mapping an External Volume Automatically Using TrueCopy or Universal Replicator with Remote Command Device When you want to use TrueCopy or Universal Replicator with a remote command device you need two different kinds of ports which are an initiator port for TrueCopy or Universal Replicator and an external port
135. i 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 Hi Track TrueCopy ShadowImage and Universal Star Network 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 Universal Volume Manager User s Guide Contents Pe P E is etna ieee ix Intended Audience ssssssssessrsssnssrssresansersnnaranronsranronensnresnenarsenosnnsennnnnranronenenrenne x PROGUEE VerSlONssn snnnd deenen a iea S a a EE ENEE x Document Revision Level icc stascsecepcnesnnannsantaasinentonesisenensecdvanesedosasecisachaccatsasnausseauen x Source Documents for this Revision c ccecseeeeeeeeseeenseeeeaeeeeeeeeaeeesaeeeaaeeeneeesaeenags xi Changes in this REVISION s ccscccinnsatacicnansncnnddennensnGansimonducotscmsardasaneiaandearnaesnadeancarencen xi Document Oren ZatlONlcninactancmeadananatanasdceanadansansusna oaancanmensncanuad aueasneucnenusauneaadee xi Referenced Documents ssssssssrersrssressnserssnesansenennnrennennrsnronerserosnesarsenenanesnnnan xii Doc ment Convention S sssini a E E EE R xiii Convention for Storage Capacity Values cccsscecsseccsseceeseseesesseeeseesseseeessaness xiv Getting Help i r
136. ify the settings in the Preview dialog box Click Apply in the Volume Operation window The Ext VOL Status in the Volume Operation window changes to Checking When the checking processing of mapping path status is completed and the external storage system can be resumed the Ext VOL Status changes to Normal If the external storage system can not be resumed the Ext VOL Status changes to Blockade Resuming an Individual External Volume Check Paths amp Restore Volume To resume an individual external volume il 5 38 Start Storage Navigator and open the Volume Operation window 2 Make sure that Storage Navigator is in Modify mode 3 4 Right click the external volume that you want to resume connection in the Click the path group in the Volume Operation tree Volume Operation list Click Check Paths amp Restore Volume in the pop up menu Performing Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide The settings are displayed in blue and italics 6 Verify the settings in the Preview dialog box 7 Click Apply in the Volume Operation window The Ext VOL Status in the Volume Operation window changes to Checking When the checking processing of mapping path status is completed and the external volume can be resumed the Ext VOL Status changes to Normal If the external volume can not be resumed the Ext VOL Status changes to Blockade Stopp
137. ing the Use of Paths to the External Volume Disconnect Paths You use the Disconnect Paths command to prepare for stopping the use of the cross subsystem path For example when you want to maintain one of the cross subsystem paths you can stop the specified cross subsystem path while the local storage system is still connected to the external volume To resume the use of the cross subsystem path which is stopped by the Disconnect Paths command use the Check Paths command A Note The Disconnect Paths command is not for the actual disconnection of the cross subsystem path to the external volume You need to confirm that some normal cross subsystem paths to the external volume is set other than the cross subsystem path for which you plan to execute the Disconnect Paths command To stop the use of the paths to the external volume 1 Start Storage Navigator and open the Path Operation window 2 Make sure that Storage Navigator is in Modify mode 3 Select one of the following from the drop down list above the Path Operation tree Fibre Local Subsystem Displays the ports in the local storage system Select Fibre Local Subsystem to stop the use of all the cross subsystem paths connected to the specified port in the local storage system Fibre External Subsystem Displays the WWNs in the external storage system Select Fibre External Subsystem to stop the use of all the cross subsystem paths connected to the specified WW
138. ion Tree The Volume Operation tree is a tree on the left side of the Volume Operation window consisting of a tree and a drop down list which is used to switch the display of the tree The Volume Operation tree consists of e Drop down list A drop down list to switch the items displayed in the Volume Operation tree You can select Fibre from the drop down list as a PCB type e Tree The following items are displayed in tree format The contents displayed in the list right of the window switch corresponding to the items clicked in this tree For details see Table 4 1 Subsystem The root node of the Volume Operation tree which is always displayed Product name of the external volume The product name of the external storage system whose volumes are mapped by Universal Volume Manager is displayed below Subsystem The display format is Vendor name Product name Serial number Path group The path group set in the external storage system is displayed under the product name of the external storage system When multiple path groups are set the registration numbers are added after the Path Group Example Path Group 2 e Pop up menu Right click the item in the Volume Operation tree to perform the following operations from the pop up menu 4 4 Using the Universal Volume Manager GUI Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Table 4 2 Pop up Menu for the Volume Operation Tree
139. ion about the un installation procedure see the Storage Navigator User s Guide Preparing for Universal Volume Manager Operations 3 13 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Starting Universal Volume Manager This section explains how to start Universal Volume Manager To start Universal Volume Manager and display the window 1 Start Storage Navigator and open the Storage Navigator main window For instructions see the Storage Navigator User s Guide 2 Click Go and then Universal Volume Manager on the menu bar of the Storage Navigator main window Names of the windows that you need for Universal Volume Manager operations are available in the submenu 3 Click the name of the window you want to display Universal Volume Manager starts up and the window you selected is displayed 4 Switch to Modify mode if necessary For instructions see the Storage Navigator User s Guide 3 14 Preparing for Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Using the Universal Volume Manager GUI This chapter explains the Universal Volume Manager windows Universal Volume Manager involves the Volume Operation window the Path Operation window and the Port Operation window When you click the tab of the window name the window is switched to the corresponding window O Volume Operation Window O Path Operation Window O
140. ion for Storage Capacity Values logical device logical disk controller logical unit logical unit number megabyte see Convention for Storage Capacity Values main control unit missing interrupt handler original equipment manufacturer online transaction processing petabyte see Convention for Storage Capacity Values personal computer printed circuit board primary volume remote control unit serial ATA service information message Acronyms and Abbreviations Acronyms 1 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide SSID storage subsystem ID SVP service processor SVS Storage Virtualization System S VOL secondary volume TB terabyte see Convention for Storage Capacity Values USP Universal Storage Platform VDEV virtual device VLL Virtual LVI LUN VMA volume management area VOL volume WWN World Wide Name Acronyms 2 Acronyms and Abbreviations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide A Attributes list of emulation type 2 9 B Block management ExG 2 9 C Cache logical partition 2 10 memory 2 10 Channels escon or ficon 2 19 Concept 2 3 D Destaging data 2 10 E Emulation OPEN V 2 20 External Port 2 8 external storage system 2 2 External volume group 2 9 migrate existing data 2 9 External Volume Group 2 9 I Initiator 4 21 M Mainframe volumes 2 19 mapping 2 2 Mode cross subsystem path 2 1
141. irs Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide 2 Check the capacity of the internal volume B where the external volume A is mapped If the capacity of the mapped external volume B is not same as the copy source volume C use the VLL function to create a CV that has the same capacity as the copy source volume C out of the volume B 3 Create a pair Create Pair a External Volume A Mapped External Make CV that has the Copy Source Volume B same capacity as the Volume volume C using the VLL function Figure C 2 Copying Data to External Storage System Setting an External Volume as S VOL Adjusting Volume Capacities for Pairs C 3 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Adjusting Volume Capacities for Pairs Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide AMS ATA CHA CV ESCON ExG FICON GB HDD IBM KB LDEV LDKC LUN MB MCU MIH OEM OLTR PB PCB P VOL RCU SATA SIM Acronyms and Abbreviations adaptable modular storage Advanced Technology Attachment standard channel adapter custom sized volume Enterprise System Connection IBM trademark for optical channels external volume group fibre connection gigabyte see Convention for Storage Capacity Values hard disk drive International Business Machines kilobyte see Convent
142. l Partition Manager you can select CLPR used for accessing to the mapped external volume from the drop down list The number of SLPR to which the selected CLPR belongs is displayed at the right of the drop down list However when the emulation type for the mainframe is selected in Emulation Type you can only select CLPR that belongs to SLPR number 0 e OK button Saves the settings and closes the dialog box e Cancel button Cancels the settings and closes the dialog box LDEV Mapping Auto Dialog Box The LDEV Mapping Auto dialog box allows you to specify the LDEV number only to the first LDEV in the external volume If you specify the LDEV number to the first LDEV the subsequent LDEV numbers are automatically assigned for the rest of LDEVs Performing Universal Volume Manager Operations 5 11 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Bf Lvev mapping Auto Limited C Unlimited iter 012345 6789ABCOE F 00 10 20 30 40 50 60 70 80 90 A0 BO co DO E0 FO ox cow Figure 5 4 LDEV Mapping Auto Dialog Box The LDEV Mapping Auto dialog box consists of SLPR Limited To restrict the CU in the CU drop down list to the CU which belongs to the SLPR select the Limited To display all the CU in the CU drop down list without any restriction select the Unlimited By default the Limited is selected LDKC drop down list You can select the LDKC number of the
143. local storage system to which you want to map the external volume CU drop down list You can select the CU number of the local storage system to which you want to map the external volume When you select Limited in the SLPR Limited the selection range is limited to CU which belongs to the SLPR Interval drop down list You can select the interval of the LDKC CU LDEV number for mapping each volume The LDEV number is set to each LDEV with the interval that you specified in this drop down list Performing Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide e LDEV Map LDEV map allows you to allocate the LDEV number to each LDEV by clicking cells in a table Each cell in the LDEV map represents an internal volume In the LDEV map the horizontal scale indicates tens place digit of the LDEV number and the vertical scale indicates ones place digit of the LDEV number Select a cell for the internal volume on the LDEV map the selected cell turns to blue and the LDEV number which the cell indicates is defined to the LDEV The defined internal volume is grayed out and undefined internal volumes to be mapped are displayed in white e OK button Saves the settings and closes the dialog box e Cancel button Cancels the settings and closes the dialog box e Pop up menu This dialog box does not have a pop up menu that can be displayed LDEV Mapping Manual Dialog Box The
144. log box displays all the external storage system connected to the local storage system even without the mapping configuration To update the dialog box click the Port Discovery button in the upper right of the dialog box i Configure Cross subsystem Paths Available Paths OK Cancel Figure 5 9 Configure Cross subsystem Paths Dialog Box Performing Universal Volume Manager Operations 5 19 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide The Configure Cross subsystem Paths dialog box consists of Available Paths Upper part of the dialog box The following three panes are displayed from the left The left pane displays the external storage systems connected to the local storage system Vendor vendor name Product Name product name Serial Number serial number of the product The middle pane displays external ports of the local storage system which connects to the external storage system that you clicked in the left pane One of the following icons is displayed for each port Port external port of the local storage system One of the following icons is displayed Ports in the Standard mode BB Ports in the Initiator External MIX mode The right pane displays WWN of the external storage system that the port attribute is set to Target The WWN which connects to the port that you clicked in the middle pane is displayed out of the WWN of the external storage
145. logical partition CLPR to access the mapped volume See the Virtual Partition Manager User s Guide for the detailed information on CLPR Cross subsystem Paths A cross subsystem path is a route from a local storage system port to an external storage system port To prepare for possible failures of the cable the switch or the channel processor it is recommended that you create redundant cross subsystem paths This redundancy allows you to continue performing the I O operations to the external volumes when you maintain the cable You can set up to eight paths A group of redundant cross subsystem paths is called a path group Ina path group the cross subsystem path that has the highest priority is called the primary path The cross subsystem paths other than priority path are called alternate paths Path Mode Setting of the path groups A path group is automatically set when you map the external volume You cannot set a new path group by itself Setting of cross subsystem paths Use fibre cables to establish multiple paths between the external storage system and the local storage system At this time connect to the external storage system from the different cluster port of the local storage system If multiple paths are established between the two storage systems the starting points of the paths i e external ports of the local storage system and the ending points ij e WWNs showing the ports of the external storage syste
146. lows 1 2 34 Use Universal Volume Manager to map a volume in the external storage system as an internal volume of the local storage system You can select the emulation type of the mapped volume as you required If you select the emulation type for the open system such as OPEN V go on to the step 2 If you select the emulation type for the mainframe system such as 3390 3 go on to the step 3 If you set the emulation type for the open system when you map the volume the status of the mapped volume automatically becomes Normal However the volume formatting processing is not executed automatically If you need to format the mapped volume format the volume using the VLL function For the volume formatting operation procedure see the Virtual LVI LUN and Volume Shredder User s Guide Go on to the step 4 If you set the emulation type for the mainframe system when you map the volume the status of the mapped volume becomes Blockade Format the volume using the VLL function Or if you have mapped the volume for which the data area has already been zero formatted on the external storage system side perform the Write to Control Blocks operation using the VLL function to restore the volume For the volume formatting operation procedure and the Write to Control Blocks operation procedure see the Virtual LVI LUN and Volume Shredder User s Guide Go on to the step 4 Set the P VOL and S VOL of the ShadowImage pair About Univer
147. m The notes on connecting each storage system as an external storage system are in Connecting External Storage Systems See Connecting External Storage Systems for settings of connection and examples of recovery procedure and then take corrective actions Troubleshooting Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide error O Corrective Action The displayed Unknown Status The status of the path is unknown statuses are as follows Reaction The status of the path cannot be identified Please call the Hitachi Data Systems Support Center Blockade Status The external port is blocked Reaction The external port is blocked because of the microprogram replacement or package replacement or some other factor Check the status of the local storage system If you cannot restore the path call the Hitachi Data Systems Support Center External Status The setting of the external storage system has been device changed For example the path definition was deleted or the setting external storage system itself was replaced by another device changed Reaction The port of the external storage system is recognized Refer to the documents for your external storage system and check if the operation that changes the setting information about the mapped device has not been performed LDEV size Status The setting of the volume capacity of the external storage reduced system has been changed
148. m will be displayed in a dialog box when you map an external volume In this dialog box you can set cross subsystem paths by selecting the starting points and the ending points of the paths according to the actual cable connections Setting of redundant cross subsystem paths You can set redundant cross subsystem paths add alternate paths when you set the cross subsystem paths You can also add an alternate path or change the priority after completing the mapping of the external volume Path mode is either Single mode or Multi mode depending on the connected external storage system About Universal Volume Manager Operations 2 11 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide e In the Single mode only the path with the highest priority primary path is used to execute the I O to the external volume When an error occurs in the primary path the path with the second highest priority is used e Inthe Multi mode all of the set paths are used at the same time The multiple paths are used to execute the I Os to the external volume thus distributing the work load round robin processing For example when a volume in the external storage system with the path mode of the Single mode is mapped as an internal volume using Universal Volume Manager the host I O operations to the external volume are enabled using the primary path set in the mapping operation The path is automatically switched to the alternate p
149. m even if you click Apply on the Universal Volume Manager windows an error message is displayed and the erroneous settings are displayed in blue and italics in the Universal Volume Manager windows To refer to the error detail click Preview to open the Preview dialog box AN Note The identical error codes may be displayed for all the errors listed in the Preview dialog box depending on the type of errors occurred In this case check the status of settings and identify the error source a Preview eo iov Characteristct Device 4 E1 4 00 00 03 0103 OPEN E PIBE 5 00 00 04 0104 OPEN E1 6 00 00 05 0105 OPEN E1 7 00 00 06 0106 OPEN EI 8 00 00 07 0107 OPEN 4 E1 9 00 00 08 0108 OPEN 4 E1 10 00 00 09 0109 OPEN W E1 11 00 00 04 010A OPEN g E1 12 00 00 08 0106 OPEN fa NAANA Operation Add Volume Total Number of Objects in Preview 1005 1 1 Figure 4 4 Preview Dialog Box 4 10 Using the Universal Volume Manager GUI Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide The Preview dialog box consists of e Preview Area The items set in the list of the Universal Volume Manager windows are displayed The contents displayed in the preset area differ depending on the items set in the list of the Universal Volume Manager windows The contents displayed in the preset area are displayed in blue italics in the
150. mapped volume becomes Blockade Format the volume using the VLL function Or if you have mapped the volume for which the data area has already been zero formatted on the external storage system side perform the Write to Control Blocks operation using the VLL function to restore the volume For the volume formatting operation procedure and the Write to Control Blocks operation procedure see the Virtual LVI LUN and Volume Shredder User s Guide Go on to the step 4 Set the P VOL and S VOL of the TrueCopy pair About Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Copying data in the P VOL of the local storage system that is connected as MCU to the S VOL of the local storage system that is set as RCU The S VOL is a mapped external volume Local Storage System External Storage System Initiator RCU Target Port Mapping I i Internal volume where the external volume is mapped J C External volume p Data copy direction Figure 2 13 Example of the TrueCopy Operation About Universal Volume Manager Operations 2 31 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Universal Replicator Operations Figure 2 14 shows the use of an external volume for the Universal Replicator operation The mapped external volume is set as the S VOL of the Universal Replicator pair and the
151. mation about the SATA drive may not be displayed correctly e For Thunder 9530V Thunder 9520V Thunder 9570V version 0658 or later e For Thunder 9580V Thunder 9585V version 1658 or later 3 12 Preparing for Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Installing and Uninstalling Universal Volume Manager This section explains how to install and uninstall Universal Volume Manager Installing Universal Volume Manager You need to install Universal Volume Manager using the license key to perform the Universal Volume Manager operations on the Storage Navigator computer To install the Universal Volume Manager license key 1 Start the Storage Navigator Java applet for the desired storage system 2 Enable the Universal Volume Manager options on the Storage Navigator computer and on each storage system For detailed instructions see the Storage Navigator User s Guide Uninstalling Universal Volume Manager To uninstall Universal Volume Manager you must cancel all the pairs and then delete the external volume mapping To uninstall Universal Volume Manager 1 Start Storage Navigator and open the Storage Navigator main window For instructions see the Storage Navigator User s Guide 2 Delete external volume mapping 3 Disable the Universal Volume Manager option on the Storage Navigator computer and on each storage system For detailed informat
152. n If you want to access the external storage system after you have executed the Disconnect Volume command you need to execute the Check Paths amp Restore Volume command Checking Connection Status and Resuming External Volume Operation You can resume external volume operation by executing the Check Paths amp Restore Volume command in the following cases The Check Paths amp Restore Volume command is required to be executed to resume using the disconnected external volume using the Disconnect Subsystem command or the Disconnect Volume command When the errors occur in all the cross subsystem paths the local storage system makes the status of external volume to Blockade In this case execute the Check Paths amp Restore Volume command If the status of the external volume cannot be restored even though the Check Paths amp Restore Volume command is executed restore the path to the external storage system as described in Troubleshooting Then execute the Check Paths amp Restore Volume command to make the external volume in the Blockade status usable When the Check Paths amp Restore Volume command is executed for the disconnected external volume for which the mapping settings are preserved the defined mapping setting and the current status of the external volume are compared and checked if the settings match the actual status The path status and all other mapping configuration definitions are checked If the external volum
153. n describes errors that require recovery operation on the external storage system side when the path status is not normal When the path status is not normal see the following table to recover the path status If you cannot restore the path call the Hitachi Data Systems Support Center see Calling the Hitachi Data Systems Support Center Table A 13 Path Status and Examples of Recovery Procedure SVS200 PathStatus Examples of Recovery Procedure External device Settings of the LU paths may have been changed by LUN Management Check setting changed the settings of the LU paths If the settings of the LU paths have been changed change the settings back to the ones when the volume is mapped Or use Universal Volume Manager to perform the Delete LU operation and perform the Add LU operation again The access attribute of the volume may have been changed by LUN Security XP Extension Check the access attribute of the volume If the volume is protected by the access attribute release the protection Illegal request or The volume may have been set as a pair volume for data copy Check if the volume is set as a pair volume of Business Copy XP Continuous Access XP Continuous Access XP Journal or some other copy program If the volume is set as a pair volume the volume may be protected because of the pair status When the volume is protected change the pair status or delete the pair Response error The access attribute of the volum
154. n tag Parameter Italic indicates variables that should be changed according to program products or operations The following table shows how you should write these elements Table 6 1 Contents of a Spreadsheet Version number See Available Types and Operation Tags Program product CLI_ExternalStorage Type See Available Types and Operation Tags Operation tag Parameter See Saving Storage System Information and the subsequent sections Available Types and Operation Tags 6 2 Available operation tags differ depending on the types The version number that you write in the spreadsheet declaration depends on the operation tags The following table shows the relationship among types operation tags and version numbers supported by Universal Volume Manager Using Spreadsheets for Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Table 6 2 Relationship Among the Types Operation Tags and Version Number Type Operation Tag Version Template Number SSID 05_02_01 ExternalStorage_Get_def spd ExternalGroup MappedVolume VolumeOperationFibre AddVolumeSetting 05_02_01 ExternalStorage_AddVolumeSetting_def_ spd The above operation tags can be used only for Universal Volume Manager In addition other operation tags that are common for all program products can also be used in a spreadsheet For details on common operation tag
155. n you want to turn off both the local storage system and the external storage system you first need turn off the local storage system and then turn off the external storage system e When you want to turn on both the local storage system and the external storage system you first need to turn on the external storage system and then turn on the local storage system Commands for Turning On or Off Only the External Storage System 5 30 When you turn on or off the power supply of only external storage system while the power supply of the local storage system keeps on you need to execute the following Universal Volume Manager commands The commands used for the procedure are as follows e Disconnect Subsystem command The Disconnect Subsystem command should be executed when the external storage system is maintained or stopped on purpose When the Disconnect Subsystem command is executed the acceptance of the host I O to the external volume that is mapped as the internal volume is stopped Then all the data that should belong to the external volume is written to the external volume from the cache memory of the local storage system all the data is destaged Performing Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Note When you want to perform the same processing of the Disconnect Subsystem command on individual volume you can use the Disconnect Volume comman
156. nager In addition change the port attribute to external if the port attribute is set to other than external Choosing and Mapping External Volumes 2 8 When you connect an external storage system to an external port volumes in the external storage system external volumes become available for mapping as volumes in the local storage system internal volumes Identify the volumes in each external storage system that should be mapped as internal volumes e You cannot access the data that is stored in an external volume beyond the maximum available capacity About Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide For example if an external volume of 100 GB was mapped as an internal volume of 70 GB then 30 GB of the external volume would not be accessible from the local storage system side e You cannot map an external volume whose capacity is smaller than the minimum available capacity For example you cannot map an external volume of 10 GB as an internal volume which requires at least 30 GB The maximum or minimum available capacity of an external volume depends on the emulation type that is set when the volume is mapped Registering a Volume to an External Volume Group ExG When you map an external volume as an internal volume you need to register the external volume to an external volume group External volumes which are set by Universal Volume Mana
157. nal Volume Mapped External LDEVs of Volume Mapped External Volume Cc 2 410 612 640 Blocks 1 610 612 640 Blocks J 1 320 480 Blocks 800 000 000 Blocks EA 4 818 240 Blocks gt 334 LDEVs When the capacity of the external volume is 2 410 612 640 Blocks and this external volume is mapped with OPEN 3 emulation type 800 000 000 Blocks of the volume cannot be used because the maximum volume of the OPEN 3 is 1 610 612 640 Blocks And 1 320 480 Blocks of the mapped external volume becomes the free space because the maximum number of LDEVs of base capacity that can be defined with the OPEN 3 emulation type is 334 The free space can be used if you set it using the VLL function Figure B 2 Example of How to Figure Out the Volume Capacity In the Case of OPEN 3 Required Volume Capacity for each Emulation Type Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide B 3 Capacity List for Each Emulation Type This section explains the LDEV capacity and volume capacity for each emulation type in the units of blocks and cylinders The numbers of cylinders are calculated from the following formulas For 3380 mainframe volumes 1 cylinder 1 440 blocks For 3390 mainframe volumes 1 cylinder 1 740 blocks The minimum data area capacity the base data area capacity and control information area capacity for each emulation type are listed in t
158. nce if you want to sort the list in the order of port numbers click Port on the list The items clicked in the tree and the information displayed in the list are as follows Table 4 6 Path Operation Tree Items selected Items displayed in the Contents displayed in the list Reference in the list tree Clicked items are underlined Fibre Local Subsystem External ports of the local storage Path Operation List Subsystem Port number system When Subsystem is Clicked Subsystem Cross subsystem paths which are set Path Operation List Port number to the selected external ports of the When Port or WWN local storage system is Clicked The same contents are displayed when you click the WWN in the tree Fibre Product name WWNs of the external storage Path Operation List External WWN system When Product Subsystem Name is Clicked Product name Cross subsystem paths which are set Path Operation List WWN to the selected WWN of the external When Port or WWN storage system is Clicked The same contents are displayed when you click the port number in the tree e Operation lower left of the window The name of the performed setting operation is displayed You can check the details in the Preview dialog box by clicking the Preview button e Preview button lower right of the window When you click Preview the Preview dialog box is displayed and you can confirm the contents which w
159. nd add external volumes to the new path group Path group Allows you to add external volumes to the existing path group Click Add Volume Manual in the pop up menu and click the desired mapping policy in the submenu When you click the Subsystem in the Volume Operation tree the Configure Cross subsystem Paths dialog box is displayed Go on to step 5 When you click the path group in the Volume Operation tree the Volume Discovery is executed and the Add Volume dialog box is displayed Go on to the step 7 Configure cross subsystem paths in the Configure Cross subsystem Paths dialog box Configure at least two cross subsystem paths and change the priority if necessary Click OK to close the Configure Cross subsystem Paths dialog box The Volume Discovery is executed and all the external volumes found by the Volume Discovery are displayed in the Add Volume dialog box The Add Volume dialog box displays a list of all the external volumes which can be mapped to the local storage system To map these volumes set the external volume parameter or the LDEV number as explained in the following steps Performing Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide In the Add Volume dialog box right click the external volume that you want to map Note You can select multiple external volumes to make the same settings to them at a time When you map LDEV
160. ne LDEV or you need to adjust the capacity of the external volume to be mapped beforehand e If multiple LDEVs exist in one external volume and if a lot of I Os are made to these LDEVs the read write commands may become timeout When the commands become timeout the SIM 21D2xx is reported Preparing for Universal Volume Manager Operations 3 9 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide When you use the mapped external volume from the mainframe OS set the MIH Missing Interrupt Handler timer to 45 seconds which is the recommended value Volume Attribute Guidelines The external volume attributes for all the LDEVs created in an external volume become the same The attributes are taken over when the LDEVs are reconfigured using the VLL function The Cache Mode becomes the same for all the LDEVs in one external volume The attributes that are set for the external volume originally on the external storage system side such as the port security the LUN security the Volume Retention Manager attributes and so on are not kept when the external volume is mapped as an internal volume If the original attributes are required to be set set the attributes on the mapped external volume from the local storage system side For the external volume for which the Cache Mode is set to Disable the bind mode for the Cache Residency Manager operation is not available If you use the mapped external volume
161. ng the VLL function before you use the external volume For the formatting operation procedure and the Write to Control Blocks operation procedure see the Virtual LVI LUN and Volume Shredder User s Guide About Universal Volume Manager Operations 2 25 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide e If you create LDEVs in an external volume using the VLL function the cache mode of the created LDEVs become the same as those of the source external volume Cache Residency Manager Consider the following for Cache Residency Manager e The bind mode of the Cache Residency Manager operation cannot be specified for the external volume if the Cache Mode is set to Disable e If you use the mapped external volume for the Cache Residency Manager operation and set the bind mode a cache of twice as much capacity as the user data is required for the Cache Residency Manager operation Performance Manager Consider the following for Performance Manager e Performance Monitor can be used to display the monitoring information about the external volumes e Mapped volumes can be used for Volume Migration For a configuration example of Volume Migration see Volume Migration Operations TrueCopy and TrueCopy for IBM z OS Mapped volumes can be used for TrueCopy and for TrueCopy for IBM z OS For a configuration example of TrueCopy see TrueCopy Operations Universal Replicator and Universal Replicator for I
162. niversal Volume Manager Operations 5 9 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Set External Volume Parameter Dialog Box The Set External Volume Parameter dialog box allows you to set the external volume parameter The Set External Volume Parameter dialog box is displayed when you right click the external volume in the Add Volume dialog box and click the Set External Volume Parameter in the pop up menu fi Set External Volume Parameter Ce PU ree orev i Except open an or TIN cee one o le Figure 5 3 Set External Volume Parameter Dialog Box The Set External Volume Parameter dialog box consists of e ExG 1 16384 Group number of the connected external volume You need to specify the number using decimal numbers from 1 to 16384 E displayed outside of the text box is the capital letter of the external volume group e Emulation Type You can select the emulation type of the mapped external volume from the drop down list If you want to map the external volume as an open system volume you need to first decide the emulation type for the mapped volume OPEN V or other than OPEN V If you want to map the external volume as an open system volume with the emulation type other than OPEN V select the Except OPEN V check box As you clear the Except OPEN V check box OPEN V and available mainframe emulation types are displayed in the drop down list As you select the Exc
163. not delete data in the external volume You cannot delete data in the internal volume either Check the following before deleting the external volume mapping Whether the execution of any application for example Command Control Interface that is using the command device is in progress or not If the execution of any application that is using the command device is in progress stop the application Whether the Disconnect Subsystem command or the Disconnect Volume command is executed Performing Universal Volume Manager Operations 5 45 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide All the data in the cache memory must be written into the mapped external volume using the Disconnect Subsystem command or the Disconnect Volume command e Whether the volume is set as a volume which configures a LUSE volume When it is set as a volume which configures a LUSE volume you cannot delete the external volume mapping e Whether an LU path is set When an LU path is set to the mapped volume you cannot delete the external volume mapping e Whether the volume is set to configure the TrueCopy pair Universal Replicator pair ShadowImage pair or Copy on Write Snapshot pair When the volume is set to configure the TrueCopy pair Universal Replicator pair ShadowImage pair or Copy on Write Snapshot pair you cannot delete the external volume mapping e Whether the volume is set as a reserved volume for Sh
164. nt of I Os from the program products to the external volume exceeds the maximum amount of I Os that the external storage system can accept the commands from the program products may possibly be timed out and an error may occur As you configure the system using the external volumes consider the capability for the I O amount of the external storage system e When you use an external volume from the host note the Path Blockade Watch time for the external volume If the Path Blockade Watch time is longer than the timeout period of the host command the commands from the host may possibly be timed out when the power supply is off or when an error occurs for the external storage system If the host I O is a significant concern make sure that the Path Blockade Watch time of the external volume is the same as or shorter than the timeout period of the host command RAID Level Considerations In the internal processing the RAID level of the external volume is handled as RAID 1 across the board The bar is displayed on the Storage Navigator windows The RAID level of external volumes is reported as RAID 1 when information about external storage system is reported to the higher level device OS Thunder 9500V Series Guidelines When you use the Thunder 9500V series storage system as an external storage system the following versions are recommended If you use a 9500V storage system whose version is earlier than the following versions the infor
165. o on to step 11 When the SSID setting is not required the Volume Operation window is displayed Go on to step 15 In the SSID dialog box Right click an LDEV for which SSID is not specified and then click SSID in the pop up menu The Set SSID dialog box is displayed In the Set SSID dialog box select a value from the SSID drop down list and click OK The selected value is displayed in the SSID dialog box In the SSID dialog box make the settings to all the LDEVs that you need to set SSID to repeat step 11 and step 12 Performing Universal Volume Manager Operations 5 7 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide 14 Click OK to close the SSID dialog box You are returned to the Volume Operation window The settings are displayed in blue italics 15 Verify the settings in the Preview dialog box 16 Click Apply in the Volume Operation window The settings are applied to the local storage system and the Volume Operation window is displayed normally When an error occurs an error message is displayed Verify the details in the Preview dialog box Add Volume Dialog Box The Add Volume dialog box allows you to view the external volume parameter or LDEV number which are configured to the LDEVs in the external volume The Add Volume dialog box is automatically displayed when you click the Add Volume Manual command in the Volume Operation window The Add Volume dialog box displays t
166. o set the system parameters for the external storage systems 4 Define the LUN to the port that is set Setting Port Attribute for Local Storage System The attribute of the port used for Universal Volume Manager needs to be set to the external port AN Note If the storage system is partitioned by using Virtual Partition Manager the ports that can be set as external ports are only the ports allocated to SLPR 0 To set the port attribute to the external port 1 Start Storage Navigator and open the Port Operation window 2 Make sure that Storage Navigator is in Modify mode 3 Right click the port that you want to set to external port in the Port Operation list Performing Universal Volume Manager Operations 5 3 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Note To set multiple ports to external ports at a time select and right i click all the ports you want to set 4 Click Change to External in the pop up menu In the Port Operation list the attribute of the selected port is changed to External and the row of the selected port is displayed in blue italics 5 Verify the settings in the Preview dialog box 6 Click Apply in the Port Operation window The settings are applied to the local storage system and the Port Operation window is displayed normally When an error occurs an error message is displayed Verify the details in the Preview dialog box 7 Set the
167. o that it is an external port which can be connected to an external storage system The external storage system port can be a target port which can be connected to a host To manipulate Universal Volume Manager you need to install Universal Volume Manager by using the license key Use your Storage Navigator computer to access the local storage system via SVP web server and perform the Universal Volume Manager operations Volumes and Mapping Paths Volumes in the external storage system see C in Figure 2 2 are called external volumes Mapping is necessary to manipulate an external volume from the local storage system The system administrator maps an external volume as an internal volume see B in Figure 2 2 in the local storage system After the mapping you can manipulate the external volume from the local storage system in the same way as manipulating an internal volume AN Note When external volumes in external storage systems are mapped as internal volumes in your USP V VM storage systems the external volumes can be accessed and copied by hosts connecting to your USP V VM storage systems but not by hosts connecting to the external storage systems This document sometimes uses the term an external volume or a mapped external volume to mention an internal volume where an external volume is mapped see B in Figure 2 2 because this internal volume is a virtual representation of an external volume When you perform map
168. ocated to each LDEV are displayed If SSID is not set is displayed OK button Saves the settings and closes the dialog box Cancel button Cancels the settings and closes the dialog box Pop up Menu Right click a row in the SSID column to execute the Set SSID command in the pop up menu The Set SSID command allows you to set the SSID to the selected LDEV When you click the Set SSID the following dialog box is displayed Performing Universal Volume Manager Operations 5 15 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Ij set sso SSID 0004 FFFE fooos x ox ene Figure 5 7 Set SSID Dialog Box SSID 0004 FFFE Select the SSID from the SSID drop down list You can select the value for an SSID from 0x0004 to OxFFFE If you have selected the SLPR Limited check box on the SSID dialog box only the SSIDs that can be used in SLPR selected on the SSID dialog box are displayed in the drop down list If you have not selected the SLPR Limited check box on the SSID dialog box all of the unused SSIDs are displayed in the drop down list regardless of the selected SLPR Example How to Map LDEVs Automatically For instance you map two external volumes which have the same emulation type and create two LDEVs in each external volume To assign the number starting with 00 01 01 with 255 intervals to total four LDEVs that you created 1 Select the two external volumes and right click
169. ode and the procedure to stop using the Initiator External MIX mode To use the Initiator External MIX mode 1 Prepare the initiator ports of the Standard mode and external ports of the Standard mode in one port block For procedure to set the port attribute to initiator see the TrueCopy User s Guide or the Universal Replicator User s Guide 2 Set the Initiator External MIX mode to the port block consisting of the initiator ports of the Standard mode and external ports of the Standard mode 7 8 Remote Command Devices Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide For procedure to set the Initiator External MIX mode see the LUN Manager User s Guide Connect the cable to the port and connect a storage system to be used as an MCU and local storage system and a storage system to be used as an RCU and external storage system Map the command device as the remote command device Note Only the command device can be recognized when the discovery operation is performed using the external port of the Initiator External MIX mode Start the operation of TrueCopy or Universal Replicator and operation of the remote command device using the port of the Initiator External MIX mode To stop using the Initiator External MIX mode 1 Stop the copy processing and operation of TrueCopy and Universal Replicator 2 Stop accessing the remote command device Delete the mapping of t
170. olume cannot be mapped as an internal volume of the local storage system Remove the error and retry the operation The reason for the error could be as follows The number of mapped volumes exceeds the maximum number 63 232 available for the local storage system There are not enough LDKC CU LDEV numbers available for external volume mapping The path to the external volume is blocked 1 The factors listed in the first row of Table 8 1 Error The Storage Navigator computer cannot access to the external volume could also be the factor of this error Check the factors of the first row remove the error and retry the operation When the error still remains try step 2 2 Try the following procedures If the following procedures do not work and the path is not restored call the Hitachi Data Systems Support Center Confirm that the cable between the local storage system and the external storage system is connected properly When the cable between the local storage system and the external storage system is connected properly disconnect it once and connect it appropriately again After 30 seconds check the path status from Storage Navigator The path status that requires the reaction is displayed in the Mapping Path Information dialog box The following show the description on the path statuses that are displayed in the Status column in the Mapping Path Information dialog box and the reactions for the
171. olume is not set as a volume which constitutes a part of a LUSE volume When it is set as a volume which constitutes a part of a LUSE volume the cache mode setting should be same among all volumes which constitutes a LUSE volume Whether the bind mode of Cache Residency Manager is not set When the bind mode is set you cannot change the cache mode from Enable to Disable To change the cache mode to Disable cancel the setting for Cache Residency Manager or change the cache residency mode to the priority mode Whether the volume is not registered to a pool When a volume is registered to a pool as a pool volume the cache mode setting should be the same among all the pool volumes in the pool Whether the volume is not a remote command device When the volume is a remote command device you cannot change the cache mode from Disable to Enable To change the cache mode of the external volume oe i Start Storage Navigator and open the Volume Operation window Make sure that Storage Navigator is in Modify mode Click the path group in the Volume Operation tree Right click the external volume that you want to change in the Volume Operation list Click Change Cache Mode in the pop up menu and click Enable or Disable in the submenu The settings are displayed in blue and italics Verify the settings in the Preview dialog box Click Apply in the Volume Operation window The settings are applied to the local storage system
172. operation using the VLL function to restore the volume For the volume formatting operation procedure and the Write to Control Blocks operation procedure see the Virtual LVI LUN and Volume Shredder User s Guide Go on to the step 4 Set the P VOL and S VOL of the Universal Replicator pair About Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Copying data in the P VOL of the local storage system that is connected as MCU to the S VOL of the local storage system that is set as RCU The S VOL is a mapped external volume Local Initiator Local RCU Target External Storage Port Storage Storage System System System MCU RCU A Universal Universal Mapping Replicator Replicator Internal volume where the external volume is mapped ape C External volume Data copy direction Figure 2 14 Example of the Universal Replicator Operation About Universal Volume Manager Operations 2 33 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide ShadowImage Operations Figure 2 15 shows the use of an external volume for the ShadowImage operation The mapped external volume is set as the S VOL of the ShadowImage pair and the local storage system internal volume is set as the P VOL of the ShadowImage pair For details on ShadowImage see the ShadowImage User s Guide The procedure for the operation is as fol
173. or Each Emulation Type vcscichecscacainwaorceccniedactencacdehesieedeaasieeraceantboae B 4 Adjusting Volume Capacities for PairS cccsccssccseccsecesesseeseeeesenseeeeesans C 1 Acronyms and Abbreviations Index Contents vii Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide viii Contents Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Preface This document describes and provides instructions for using the Universal Volume Manager software to configure and perform Hitachi Universal Volume Manager Operations on the Hitachi Universal Storage Platform V and Hitachi Universal Storage Platform VM storage system 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 Changes in this Revision Document Organization Referenced Documents Document Conventions Convention for Storage Capacity Values Getting Help Comments 00000000000 Notice The use of Universal Volume Manager and all other Hitachi Data Systems products is governed by the terms of your agreement s with Hitachi Data Systems Preface ix Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Intended Audience This document is intended for system administrators Hita
174. or Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide The following table shows the parameters that can be set for the AddVolumeSetting tag Table 6 7 AddVolumeSetting Tag Parameters Parameter Range of Number of Values Characters The first layer Information about external volumes and the primary path A PathGroup Path group number 0 to 63231 5 decimal digits or less B Port Port number of the primary path 1A to GR 2 digits or less C WWN WWN of the primary path 00000000 16 00000000 hexadecim to FFFFFFFF al digits FFFFFFFF D LUN LU number set to the external volume 0000 to 4 OFFF hexadecim al digits or less E ExG External volume group number and its GrP 1 to GrP 5 sequential number The format should be 16384 decimal EGrp VPG for example E16384 4096 VPG 1 to digits or 4096 less VPG 4 decimal digits or less F Attribute Normal Maps an external volume Normal N A R CMD Maps a command device R CMD G CLPR CLPR that is used to access the external 0 to 31 2 decimal volume digits or less H Emulation Emulation type of the external volume N A 16 Write the same characters as the emulation characters type shown in Table B 2 or less in ASCII format I CacheMod Enable Sets cache mode to Enable Enable N A Disable Sets cache mode to Disable Disable J InflowCon
175. orage System Add a Host Host OS Windows Identifying Logical Volume of EVA Storage System Using Characteristic 2 When the connected external storage system is an EVA storage system LUNs are displayed as Characteristic 1 in the Universal Volume Manager windows If you search for the logical volumes specifying the WWN indicating the EVA Port A in the configuration such as Figure A 1 the logical volumes named LUN 1 and LUN 2 are found for each of HostGroup 1 and HostGroup 2 In this case two different logical volumes that have the same name such as LUN 1 and LUN 2 are found as the logical volumes that can be connected from EVA Port A but you cannot tell which LUN 1 and LUN 2 belong to HostGroup 1 or HostGroup 2 only by Characteristic 1 In the configuration such as Figure A 1 you can identify the logical volumes referring to Characteristic 2 in the Universal Volume Manager windows The first 32 characters of Characteristic 2 indicate the World Wide LUN Name that can be found on the EVA storage system side You can identify the logical volume of the EVA storage system by this World Wide LUN Name Connecting External Storage Systems A 15 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide HostGroup 1 Local Storage System f World Wide LUN Name 600508b4 001028cb 00005000 011d0000 Switch External World Wide LUN Name Port 1 600508b4 001028cb 00005000 01200000 External Por
176. orage Platform V VM Universal Volume Manager User s Guide TrueCopy Operations Figure 2 13 shows the use of an external volume for the TrueCopy operation The mapped external volume is set as the S VOL of the TrueCopy pair and the volume in the local storage system that is connected as the multipoint control unit MCU is set as the P VOL of the TrueCopy pair For details on TrueCopy see the TrueCopy User s Guide The procedure for the operation is as follows 1 2 30 Use Universal Volume Manager to map a volume in the external storage system as an internal volume of the local storage system which is used as remote control unit RCU for the TrueCopy operation You can select the emulation type of the mapped volume as you required If you select the emulation type for the open system such as OPEN V go on to the step 2 If you select the emulation type for the mainframe system such as 3390 3 go on to the step 3 If you set the emulation type for the open system when you map the volume the status of the mapped volume automatically becomes Normal However the volume formatting processing is not executed automatically If you need to format the mapped volume format the volume using the VLL function For the volume formatting operation procedure see the Virtual LVI LUN and Volume Shredder User s Guide Go on to the step 4 If you set the emulation type for the mainframe system when you map the volume the status of the
177. orage system is displayed in the list be PuTov FLLTOV Status 10 10 10 O n oO nfn n on on on on on nin 10 10 10 10 10 10 10 o jololojolojlolojo Figure 4 6 Path Operation List when Subsystem is Clicked The Path Operation list consists of e Port The following items are displayed Port The external port of the local storage system One of the following icons is displayed Ports in the Standard mode Ports in the Initiator External MIX mode PLI_TOV The wait time in seconds of PLOGI to the external storage system when the switch is not connected This value is automatically set by Universal Volume Manager You cannot change the value FLI_TOV The wait time in seconds from the switch to FLOGI when the switch is connected This value is automatically set by Universal Volume Manager You cannot change the value Using the Universal Volume Manager GUI 4 15 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Margin The additional wait time in seconds to FLI_TOV FLOGI wait time or PLI_TOV PLOGI wait time This value is automatically set by Universal Volume Manager You cannot change the value As a result the sum of FLI_TOV time and the margin time or the sum of PLI_TOV time and the margin time is set as a total wait time Status Status of the cross subsystem path Table 4 7 shows the displayed statuses e Pop up menu Ri
178. ou can either specify this parameter or omit specifying this parameter Connecting External Storage Systems A 5 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide LIP Reset Mode You can either specify this parameter or omit specifying this parameter Controller Option RS232C Error Information You can either specify this parameter or Outflow Mode omit specifying this parameter Write and verify mode Set this parameter to ON Host Connection Host Connection Mode 1 Set this parameter to Standard Mode Mode Host Connection Mode 2 Specify HISUP Mode Note Do not specify any other parameters Note When you use the Thunder 9500V storage system as an external i storage system the following versions are recommended If you use a 9500V storage system whose version is earlier than the following versions the information about the SATA drive may not be displayed correctly e For Thunder 9530V Thunder 9520V Thunder 9570V version 0658 or later e For Thunder 9580V Thunder 9585V version 1658 or later Relationship between Serial Number and 9500V Model When the external storage system is Thunder 9500V storage system you can identify the storage system model from the serial number displayed in the Serial Number column in the Volume Operation window The following table describes the relationship between the serial number displayed in the Serial Number column and the storage sys
179. our demand However the LDEVs as they are mapped are used for the OPEN L emulation type because the VLL function is not applicable to the OPEN L emulation type When the capacity of the mapped external volume is more than the maximum capacity of the specified emulation type a certain part of external volume cannot be used Table B 1 shows the maximum usable capacity of the external volume of each emulation type For detailed information about the volume capacity for each emulation type see Table B 3 Table B 1 Maximum Usable Capacity of External Volume Emulation Type Maximum Usable Capacity of External Volume OPEN V 4TB 8 589 934 592 blocks OPEN emulation type other than 767 99GB 1 610 612 640 blocks OPEN V 3380 mainframe emulation type 767 99GB 1 610 612 640 blocks 3390 mainframe emulation type 927 99GB 1 946 156 940 blocks Figure B 1 shows the relationship of the minimum LDEV capacity base LDEV capacity minimum data area capacity base data area capacity and control information area capacity Figure B 2 shows how to figure out the volume capacity using the example of the OPEN 3 case Required Volume Capacity for each Emulation Type Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Control Information Area Capacity Minimum LDEV Minimum Data Base Data Area Base LDEV Capacity Area Capacity Capacity Capacity Figure B 1 Idea of LDEV Capacity Exter
180. p Tool 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 Troubleshooting Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Connecting External Storage Systems TagmaStore AMS WMS Storage System System Parameters for Connecting TagmaStore AMS WMS Storage System The table below explains whether to specify system parameters when making settings on ports on the TagmaStore AMS and WMS storage systems Note When you connect a TagmaStore AMS or WMS storage system use LUN 1 Manager to set the data transfer speed of the external port which you use to a fixed value other than the Auto Also set the data transfer speed of the target port of the AMS WMS storage system to the fixed value according to the data transfer speed of the external port Table A 1 System Parameter Settings AMS WMS Boot Options Start Attribute Single Mode Specify this parameter when AMS WMS storage system is in the one controller configuration Dual Active Mode Specify this parameter when AMS WMS storage system is in the two controller configuration Delay Planned Shutdown You can either specify this paramete
181. path that is being used for I Os the status of the path in the Standby status is automatically changed to Normal and the I O execution path is switched to that path Note Only when the external storage system is EVA storage system as you restore the path with the highest priority the I O execution path is switched back to the restored highest priority path In this case the status of the path for which the status has been changed to Normal when the error has occurred is changed back to Standby Local Storage System External Storage System Path Priority 1 Status Normal Path Priority 2 External Status Standby Volume Internal Volume Path Priority 3 Status Normal External Storage System Path Priority 1 gt Err Status Blockade Port Path Priority 2 Status Standby Internal Volume External Volume Path Priority 3 Status Normal Legend E Internal volume where the external volume is mapped VO Figure 2 8 Single Mode with Alternate Paths in Normal and Standby About Universal Volume Manager Operations 2 17 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Local Storage System External External Port B Internal Volume External Port C Local Storage System External PortA External Port C Internal Volume Legend External Storage
182. ping a path is automatically created between an internal volume and an external volume This path is called a mapping path which connects one volume with another volume A cross subsystem path is a part of a mapping path About Universal Volume Manager Operations 2 5 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide 2 6 To use the external volumes which you mapped as an internal volume see B in Figure 2 2 from the host or other program products the system administrator needs to create LDEVs in the external volume see A in Figure 2 2 To create LDEVs use Universal Volume Manager at the time of mapping or use VLL function to an internal volume where an external volume is mapped after mapping The LDEVs created by these methods are called LDEVs in the external volume in this document These LDEVs are usually called external volumes in other documents An external volume corresponds to a VLL VDEV Virtual Device An LDEV in the external volume corresponds to a VLL LDEV Therefore you can use VLL function to create custom sized volumes in an external volume after mapping in the same way as creating custom sized volumes in the normal internal volumes For details on VDEVs and LDEVs see the Virtual LVI LUN and Volume Shredder User s Guide About Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Universal Volume Manager Op
183. pplied to the local storage system and the Path Operation window is displayed normally When an error occurs an error message is displayed Verify the details in the Preview dialog box Change WWN Parameter Dialog Box f Change WWN Parameter 1s gt tee Cancel Figure 5 15 Change WWN Parameter Dialog Box The Change WWN Parameter dialog box consists of QDepth 2 128 The number of Read Write commands which can be issued queued to the external volume at a time The value that can be set are from 2 to 128 The default value is 8 I O TOV 5 240 Value specified as the time over of the I O to the external volume The value that can be set are 5 to 240 in second The default value is 15 Path Blockade Watch 5 180 The time from when the connection of all the paths to the external volume have been down to when the external volume is blocked The commands from the host are accepted until the time set for this parameter has passed After the time set for this parameter has passed the path status becomes Blockade The value that can be set are from 5 to 180 seconds The default value is 10 Performing Universal Volume Manager Operations 5 43 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Editing Mapping Policy You choose mapping policy when you map an external volume as an internal volume using the Add Volume commands This section explains how to edit the default mapping policy To e
184. preadsheet Using Spreadsheets for Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Table 6 5 The first layer Information Saved when the MappedVolume Tag is Written Column in Content Spreadsheet Information about the external storage system A Vendor Name of the vendor Product Name of the storage system C SerialNumber Serial number of the storage system The second layer Information about the external volume A Identifier B PathGroup Path group number C ExG External volume group number and its sequential number D Characteristicl Identification number of the external volume E Device Name of the storage system that is reported to the host by the external volume F Attribute Normal This volume is an external volume R CMD This volume is a remote command device G CacheMode Enable Cache mode is set to Enable Disable Cache mode is set to Disable H InflowControl Enable Inflow control is set to Enable Disable Inflow control is set to Disable I PathMode Single The cross subsystem paths work in the single mode Multi The cross subsystem paths work in the multi mode J Capacity Capacity of the external volume This capacity is expressed in blocks K Characteristic2 Extended identification number of the external volume The third layer Information about
185. r User s Guide About Universal Volume Manager Operations 2 19 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide OPEN V emulation is recommended because in most cases OPEN V emulation provides the most efficient use of storage and the best performance Also emulation types other than OPEN V may not retain existing data after being mapped Choosing Mapping Policy Policy is a list of settings of the necessary information for mapping the external volume By setting the mapping policy in advance the setting at the time of mapping will be easier One policy is prepared in advance The user can change the default value of the policy Difference between Automatic Mapping and Manual Mapping When you map the external volume you need to configure e cross subsystem paths e external volume parameters e LDEV number to LDEVs in the external volume e SSID storage subsystem ID When you perform automatic mapping users configure only cross subsystem paths and all the other settings above are automatically made by Universal Volume Manager according to the mapping policy When you perform manual mapping users configure all the settings Automatic mapping maps all the external volume found by the Volume Discovery to the internal volumes Automatic mapping requires less settings but you are not allowed to set different parameters to each external volume or to specify LDEV number to each LDEV You can set the p
186. r or omit specifying this parameter Drive blocking mode You can either specify this parameter or omit specifying this parameter Vendor ID Keep this parameter as HITACHI default and do not change Product ID Keep this parameter as DF600F default and do not change ROM Microprogram Version You can either specify this parameter or omit specifying this parameter Connecting External Storage Systems A 1 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide RAM Microprogram Version You can either specify this parameter or omit specifying this parameter System Option You can either specify this parameter or omit Parameter specifying this parameter Operation if the processor failure occurs Specify this parameter to Reset of occurred WEB Title You can either specify this parameter or omit specifying this parameter Write and verify mode Set this parameter to ON Port Options Port Option You can either specify this parameter or omit specifying this parameter Host Connection Host Connection Mode 1 Mode Set this parameter to Standard Mode Host Connection Mode 2 Do not specify any parameters Note Do not specify HISUP OFF mode either A Note You can either specify or omit any other parameters Relationship between Serial Number and AMS WMS Model When the external storage system is TagmaStore AMS or
187. rage System To turn off the power supply of the external storage system to turn off on purpose 1 Stop the read or write I O to the external volume that is mapped as a local storage system internal volume and is contained in the external storage system that you want to turn off Execute the Disconnect Subsystem command for the external storage system that you want to turn off The additional I O to the external volume is stopped and all the data in the local cache memory is written in the external volume all the data is destaged Perform other operations that are required before turning off the local storage system if there is some Turn off the power supply of the external storage system Performing Universal Volume Manager Operations 5 31 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Cautions e After you have executed the Disconnect Subsystem command but you need to use the mapped external volume again execute the Check Paths amp Restore Volume command e To turn on the power supply of the external storage system to restart from the turned off status Turn on the external storage system that contains the external volume which is mapped as an internal volume Execute the Check Paths amp Restore Volume command of the Universal Volume Manager e When the external storage system is turned off after the Disconnect Subsystem command is executed you cannot
188. rameters of the Sun StorEdge 6120 6320 according to the following table For the system parameters that are not in the following table refer to the documentation of the Sun StorEdge 6120 6320 and set the parameters appropriately for the connecting configuration Table A 15 System Parameter Settings for Connecting Sun StorEdge 6120 6320 Connecting External Storage Systems A 17 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide System Parameter Settings for Connecting Sun StorageTek FlexLine 380 When you connect a Sun StorageTek FlexLine 380 as an external storage system set the system parameters of the Sun StorageTek FlexLine 380 according to the following table For the system parameters that are not in the following table refer to the documentation of the Sun StorageTek FlexLine 380 and set the parameters appropriately for the connecting configuration Table A 16 System Parameter Settings for Connecting Sun StorageTek FlexLine 380 host type Windows Non clustered DMP Support System Parameter Settings for Connecting Sun StorageTek 2540 When you connect a Sun StorageTek 2540 as an external storage system set the system parameters of the Sun StorageTek 2540 according to the following table For the system parameters that are not in the following table refer to the documentation of the Sun StorageTek 2540 and set the parameters appropriately for the connecting configuration Table A 17 System Param
189. re USP NSC This section describes errors that require recovery operation on the external storage system side when the path status is not normal When the path status is not normal see the following table to recover the path status If you cannot restore the path call the Hitachi Data Systems Support Center see Calling the Hitachi Data Systems Support Center Table A 10 Path Status and Examples of Recovery Procedure USP NSC Path Status Examples of Recovery Procedure External device Settings of the LU paths may have been changed by LUN Manager Check the setting changed settings of the LU paths If the settings of the LU paths have been changed change the settings back to the ones when the volume is mapped Or use Universal Volume Manager to perform the Delete LU operation and perform the Add LU operation again The access attribute of the volume may have been changed by Data Retention Utility Check the access attribute of the volume If the volume is protected by the access attribute release the protection Illegal request or The volume may have been set as a pair volume for data copy Check if the volume is set as a pair volume of ShadowImage TrueCopy Universal Replicator or some other copy program If the volume is set as a pair volume the volume may be protected because of the pair status When the volume is protected change the pair status or delete the pair Response error The access attribute of the volume ma
190. rnal storage system Before you delete the external volume mapping make sure that the volume has no LU paths and that the volume is not a component of any pairs such as TrueCopy pairs Performance and Status Guidelines The performance and status of the external storage system affect the Read and Write performance of the mapped external volume If there is a heavy load on the external storage system the processing speed of the Read and Write operation becomes slow In this case the I Os from the mainframe host may become MIH error If the host connected to the local storage system issues too many I Os to be processed by the external storage system the commands from the host may possibly be timed out Preparing for Universal Volume Manager Operations 3 11 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide When the amount of I Os from the host to the external volume exceeds the maximum amount of I Os that the external storage system can accept the commands from the host to the local storage system may possibly be timed out As you configure the system using the external volumes consider the capability for the I O amount of the external storage system e When you execute the commands of the USP V VM program products to the mapped external volume and thus too many I Os are issued to be processed by the external storage system the commands may possibly be timed out and an error may occur When the amou
191. ross subsystem paths will be Single SANRISE 2000 series SANRISE 2800 is displayed by Universal Volume Manager as 0400 SANRISE 2200 is displayed by Universal Volume Manager as 0401 Path Mode of the cross subsystem paths will be Multi H24000 Displayed by Universal Volume Manager as 24000 Path Mode of the cross subsystem paths will be Multi H20000 Displayed by Universal Volume Manager as 20000 Path Mode of the cross subsystem paths will be Multi SANRISE H12000 Displayed by Universal Volume Manager as 12000 Path Mode of the cross subsystem paths will be Multi SANRISE H10000 Displayed by Universal Volume Manager as 10000 Path Mode of the cross subsystem paths will be Multi SANRISE H1024 H128 Displayed by Universal Volume Manager as 1024 and 128 Path Mode of the cross subsystem paths will be Multi SANRISE H512 H48 Preparing for Universal Volume Manager Operations Displayed by Universal Volume Manager as 512 and 48 Path Mode of the cross subsystem paths will be Multi 3 3 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide 3 4 SANRISE H256 Displayed by Universal Volume Manager as 256 Path Mode of the cross subsystem paths will be Multi XP24000 Displayed by Universal Volume Manager as 24000 Path Mode of the cross subsystem paths will be Multi X
192. rt Center Busy Status The external storage system is in the BUSY status Reaction The port of the external storage system is recognized Check the setting of the external storage system and the load on the external storage system e g check if the configuration gives too much load on the external storage system or not If you cannot restore the path call the Hitachi Data Systems Support Center LDEV Status The external storage system is in the Reserve status You reserved are not allowed to access the device of the external storage system from the local storage system Reaction Remove the Reserve status on the device of the external storage system Troubleshooting 8 3 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide 8 4 error Corrective Action Response error Status The external storage system is in the blocked status caused by the abnormal reply Response You may not be able to access the device of the external storage system Or data protection may be set on the device of the external storage system Reaction The port of the external storage system is recognized Check the setting and status of the external storage system If you cannot restore the path call the Hitachi Data Systems Support Center Initiator port Status The port attribute of the external storage system has been changed to the initiator port Reaction Set the port attribute of th
193. rtens the operation time compared to when using the GUI You can import the spreadsheets directly to the storage system using the Storage Navigator command line interface CLI The following figure describes the work flow when you use spreadsheets To configure the system Prepare for using Storage Navigator CLI Write spreadsheets Verify the spreadsheets Has any error occurred No Save the configurations Apply th fi t PEI MS eee in spreadsheets Figure 6 1 Work Flow for Using Spreadsheets To save the configurations Using Spreadsheets for Universal Volume Manager Operations 6 1 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide This chapter describes the operation that is surrounded by the thick lines For detailed information about the other operations see the Storage Navigator User s Guide O Before Using Spreadsheets Available Types and Operation Tags Saving Storage System Information Mapping External Volumes AddVolumeSetting Ta Example of a Spreadsheet OoOd do Before Using Spreadsheets Storage Navigator is required to use spreadsheets In addition you must use Storage Navigator CLI not the Configuration File Loader window when you perform operations on spreadsheets Spreadsheets must be written in the format below Multiple operation tags and parameters can be written in a spreadsheet Version Version number Program product Type Operatio
194. s see the Storage Navigator User s Guide For detailed information about the parameters for each operation tag see the following sections You can quickly write a spreadsheet if you make a copy of the provided templates and then modify the copy For information about the location of the templates see the Storage Navigator User s Guide Saving Storage System Information You can save the storage system information in files by specifying a spreadsheet when you execute the CFLGET command using the Storage Navigator CLI The storage system information will be saved in different files for each operation tag The file named Input file name_Result spd lists all the operation tags and the names of the files SSID Tag When you write the SSID tag in a spreadsheet and execute the CFLGET command the SSID information will be saved in files Specify the GET_ALL parameter for the SSID tag as shown below By specifying this parameter the information about all the SSIDs that the local storage system has will be saved in files SSID GET ALL The following table shows the information that will be saved in a file when the SSID tag is written in a spreadsheet Using Spreadsheets for Universal Volume Manager Operations 6 3 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Table 6 3 Information Saved when the SSID tag is Written Column in Spreadsheet A LDKC CU LDEV LDEV The range of LD
195. s you can select the multiple external volumes which have the same emulation type Click each command in the pop up menu and make the settings in the resulting dialog box Execute the operations in the following order a and then b a The Set External Volume Parameter command Allows you to configure the external volume parameters After you configure parameters click OK to close the dialog box b Configure the LDKC CU LDEV number to the LDEVs in the external volume After you configure the number click OK to close the dialog box The LDEV Mapping Auto command Allows you to specify the LDEV number to the first LDEV in the external volume The rest of LDEVs are automatically allocated to the subsequent LDEV number The LDEV Mapping Manual command Allows you to specify the LDEV number to all the LDEVs in the external volume Both commands allow you to specify the interval between LDEV numbers When you close the dialog box the Add Volume dialog box is displayed In the Add Volume dialog box make the settings to all the volumes you want to map repeat step_7 and step 8 Note Delete the external volume that you do not want to map in the Add Volume dialog box To delete the external volume right click the external volume and click Delete in the pop up menu 10 11 12 13 Click OK to close the Add Volume dialog box When the SSID setting is required the SSID dialog box is displayed G
196. s parameter when Thunder 9500V storage system is in the one controller configuration Dual Active Mode Specify this parameter when Thunder 9500V storage system is in the two controller configuration Note Be sure to specify that Data Share Mode will be used Hot Stand By Mode Do not specify this parameter Common 1 Delay Planned Shutdown You can either specify this parameter or omit specifying this parameter OPTION 1 SCSI Fibre Channel Common You can either specify this parameter or Options omit specifying this parameter OPTION 2 SCSI Fibre Channel Common You can either specify this parameter or omit specifying this parameter Data Striping Operation if the processor failure occurs Specify this parameter to Reset of occurred Inquiry Setting Command Queuing Mode Specify this parameter ON Vendor ID Keep this parameter as HITACHI default and do not change Product ID Keep this parameter as DF600F default and do not change ROM Microprogram Version You can either specify this parameter or omit specifying this parameter RAM Microprogram Version You can either specify this parameter or omit specifying this parameter WEB Title You can either specify this parameter or omit specifying this parameter Port Type Reset LIP Mode Reset LIP Mode Signal You can either specify this parameter or omit specifying this parameter Reset LIP Mode Process Y
197. sal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Local Storage System External Storage System Shadowlmage P VOL 7 Copying data in the P VOL that is an internal volume of the local storage system to the S VOL that is a mapped external volume Legend Internal volume gza ane Internal volume where the external volume is mapped C External volume Data copy direction Figure 2 15 Example of the ShadowImage Operation About Universal Volume Manager Operations 2 35 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Copy on Write Snapshot Operations Figure 2 16 shows the use of an external volume for the Copy on Write Snapshot operation The mapped external volume is set as a pool VOL of the Copy on Write Snapshot pair For details on Copy on Write Snapshot see the Copy on Write Snapshot User s Guide The procedure for the operation is as follows 1 Use Universal Volume Manager to map a volume in the external storage system as an internal volume of the local storage system Caution Set the emulation type of the volume to OPEN V when you map the volume because the volume with the OPEN V emulation type can only be set as a pool VOL of Copy on Write Snapshot 2 36 The status of the mapped volume automatically becomes Normal However the volume formatting processing is not exec
198. sheet is as follows Version 05_02_01 CLI_ExternalStorage VolumeOperationFibre SerialNumber 65536 AddVolumeSetting 1 1A 60060E8004F81370 0001 E16384 4095 Normal 00 OPEN V Enable Disable 1B 60060E8004F81371 00 00 00 96000 0004 00 01 00 96000 0005 00 02 00 96000 0006 6 10 Using Spreadsheets for Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Remote Command Devices This chapter describes remote command devices O Overview of Remote Command Devices O Guidelines for Remote Command Devices O Mapping a Command Device as a Remote Command Device O Using TrueCopy or Universal Replicator with Remote Command Device Remote Command Devices 7 1 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Overview of Remote Command Devices A remote command device is a device in the local storage system to which a command device in the external storage system is mapped As you send the CCI commands to the remote command device you can enter these CCI commands to the command device of the external storage system to operate the CCI in the external storage system Figure 7 1 shows an example The OPEN host that is connected to the local storage system sends the CCI commands of ShadowImage or TrueCopy to the remote command device and this means that the commands are entere
199. ship between Serial Number and AMS WMS Model cccscceseeeeeeees A 2 Relationship between WWN of Port and Controller AMS WMS sssceseeee A 3 Path Status and Examples of Recovery Procedure AMS WMS ccsseceseeee A 4 Thunder 9500V Storage SYSteCM cccccsseesseesseeeseecsesceeeeseeeeseeesseeecseseeessaeess A 5 System Parameters for Connecting Thunder 9500V ccssccsseeeseeeeeeeeeeeeeaes A 5 vi Contents Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Relationship between Serial Number and 9500V Model ccccseeseeeeeeeeeeeees A 6 Relationship between WWN of Port and Controller Q500V scesseeeseeeees A 6 Path Status and Examples of Recovery Procedure Q500V cssseesseeeeeeeees A 8 USP V VM Storage SYSteMiscidiccsncscisecanacesiciatassibencenunacsash hand saacdediaetesauteesianeeaseeds A 9 Path Status and Examples of Recovery Procedure USP V VM scence A 9 TagmaStore USP NSC Storage System ccceeeeseeeeeeeeeeeeeeeesaeeeeae sess eeeaeeesaeensaeed A 10 Setting the Host Mode Option When a Volume of More Than 2 TB Is Used CUS ING Cy e E E A 10 Path Status and Examples of Recovery Procedure USP NSC seseeeeseeees A 10 Lightning 9900V Storage System cccsccesseesssecceeeesseeesseesesesceseesanesseeesseeesaeees A 11 Path Status and Examples of Recovery Procedure Q900V ccecseeeeeeeeseeees A 11 Lightning 9900 Storage System
200. sing the copy program products of Storage Navigator such as TrueCopy and ShadowImage the emulation type of the mapped external volume also has to be OPEN V 2 Prepare the local internal volume that has the same capacity as the mapped external volume Adjust the capacity of the internal volume as it is required using the LUSE function and VLL function For the LUSE function see the LUN Expansion User s Guide For the VLL function see the Virtual LVI LUN and Volume Shredder User s Guide About Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide AN Note The emulation type of the prepared internal volume must be OPEN V 3 Set the mapped external volume as the source volume and local storage system internal volume as the target volume 4 Migrate the existing data in the mapped external volume to the local storage system internal volume manually using Volume Migration Local Storage System External Storage System w 7 Migrating data in the mapped external volume source volume to the internal volume target volume manually using Volume Migration Legend E Internal volume Internal volume where the external volume is mapped _ C External volume Data migration direction Figure 2 12 Example of the Volume Migration Operation About Universal Volume Manager Operations 2 29 Hitachi Universal St
201. sing External Volumes with Other Products For the following USP V VM program products the examples of using external volumes are described in the following subsections e Volume Migration Operations e TrueCopy Operations e Universal Replicator Operations e ShadowImage Operations e Copy on Write Snapshot Operations Volume Migration Operations Figure 2 12 shows the use of an external volume for the Volume Migration operation The mapped external volume is set as the source volume and the local internal volume is set as the target volume Existing data in the external volume is migrated manually to the local storage system internal volume using Volume Migration For detailed information on the Volume Migration operation see the Performance Manager User s Guide The procedure for the operation is as follows 1 Use Universal Volume Manager to map a volume in the external storage system as an internal volume of the local storage system For the case such as Figure 2 12 set the attributes of the mapped volume as follows Emulation type OPEN V AN Note To migrate the existing data in the mapped external volume to the local storage system volume using Volume Migration set the emulation type to OPEN V as you map the volume The emulation type must be OPEN V to read out the existing data in the external volume from the local storage system side A Caution To copy the existing data in the mapped external volume u
202. sp n a E E A R XV COUTTS ananira actin ches a i a A Oaa aa iain iaaa aa A XV Overview of Universal Volume ManaGel cccccseccseeseeeeeeseeeeeseeeeeeeaeees i Hitachi Universal Volume MA NaGEl cceceeeeeeseeeeeeeeeeeeeseeeseeeesae essa eesaeeesaeeesaeenaes 1 2 Unifying Copy Operations between Different Storage SySteMs cccccceeeeeeeeeeeees 1 3 Unifying Connections from a Host to Different Storage Systems s es 1 4 About Universal Volume Operations ManaQef s ccssccsseeseeseeeseeseeeneeeaes 2 1 Connecting External Storage SYSt M cccceeesseeesseesceeeceeeeseeeeseeeseeessaeessenesaeees 2 2 Universal Volume Manager COMPONeNMS cceeeeeeseeeeseeeeeeeeeeeeeaeeesaaeesaeeeaaeeeaeees 2 4 Storage Systems and Cross Subsystem Paths cccccccceeeeeeeeeseeeeeeseeeseesseesneeeaees 2 5 Volumes and Mapping Paths ccscccseeeceeeesseecnsesceseeseeeeeeeesseeecusesceeseneessneeeas 2 5 Universal Volume Manager Operations ccsseccsseccsseseeeesseeeeseesenseeesseeesaeees 2 7 Configuring Universal Volume Manager c cceccseeeeeeeeeeeeeeeesaeeeaaeeenaeeeaeeeeaeeenaees 2 8 Choosing External POME sciccc cee conics seceehasccdon red ediewasirece stata ceetecemebostendedendocecieranocece 2 8 Choosing and Mapping External VOIUMES ccceeeeseeeeeeeee eres sees aeeesaeeeaaeeeaeeeeneees 2 8 Registering a Volume to an External Volume Group EXG ccsseeeseeeeeeeeeseeeaeeeenes 2 9 Configurin
203. splayed Vendor Name of the vendor Product Name Name of the storage system Serial Number Serial number of the storage system Using the Universal Volume Manager GUI 4 5 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Ext VOL Status Status of the operation executed to the external volume or status of the connection of the mapping path The displayed items are shown in the following table To check status of each LDEV in the external volume you need to view the VLL window Table 4 3 Status of the External Volume Displayed in the Ext VOL Status Normal The path is normal The status of the mapping path is not retrieved yet Click Status Disable in the Volume Operation window to display the status of the mapping path Unknown The status of the mapping path is unknown Blockade The mapping path is blocked Warning There are mapping paths whose status is not normal Check the status of the mapping paths in the Mapping Path Information dialog box Checking The processing of checking the mapping path status is in progress Cache Destage The writing processing of all the data in cache memory to the volume is in progress Disconnect e Information Information Total Number of Ext Subsystems the number of external storage Connecting to the external storage system or the external volume is intentionally stopped using the Disconnect Subsystem command or
204. splayed in tree format The contents displayed in the list right of the window change corresponding to the items clicked in this tree For details see Table 4 1 When you select Fibre Local Subsystem from the drop down list the following items are displayed in the tree Subsystem The root node of the Path Operation tree which is always displayed Port number The port number of the local storage system which the port attribute is set to External is displayed below Subsystem One of the following icons is displayed Ports in the Standard mode Ports in the Initiator External MIX mode 4 14 Using the Universal Volume Manager GUI Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide When you select Fibre External Subsystem from the drop down list the following items are displayed in the tree Product name of the external volume The product name of the external storage system which is connected by Universal Volume Manager is displayed as a root node The display format is Vendor name Product name Serial number WWN The WWNs of the external storage system is displayed below the product name of the external storage system e Pop up menu The Path Operation tree does not have a pop up menu that can be displayed Path Operation List When Subsystem is Clicked When you click Subsystem in the Path Operation tree the external port information which is set to the local st
205. switches may not be appropriate Make sure that the fibre cable is connected properly and then set the fibre channel port properly using LUN Manager The LUN security may have been set by LUN Manager Check if the LUN security is set or not If the LUN security is set remove the setting of the LUN security SVS200 Storage System When you connect a SVS200 storage system as the external storage system you need to set the port to the host group for the Windows hosts host mode OC Windows host mode 2C Windows Extension Also the port attribute must be the target port or the RCU target port A Note If you are using the microcode that does not support the SVS200 storage system the SVS200 storage system is recognized as the XP12000 storage system If you need the connected external storage system to be recognized as the SVS200 storage system use the microcode of the version that supports the SVS200 storage system which is the microcode version 50 07 0X XX XX or higher If you have used an earlier microcode version that does not support the SVS200 storage system to map the volumes of the SVS storage system delete the setting of mapping and then change the microcode version to the one that supports the SVS200 storage system Connecting External Storage Systems A 13 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Path Status and Examples of Recovery Procedure SVS200 This sectio
206. system path when you map the external volume as the internal volume You can also add or change the cross subsystem paths after the mapping operation is completed To configure the cross subsystem paths use the Configure Cross subsystem Paths dialog box 5 18 Performing Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide A Caution You cannot delete all the current cross subsystem paths to substitute newly added cross subsystem paths for them in one operation To replace all the current cross subsystem paths with newly added cross subsystem paths you need to perform more than two operations and leave at least one current cross subsystem path setting when you perform the first operation Configure Cross subsystem Paths Dialog Box The Configure Cross subsystem Paths dialog box allows you to configure cross subsystem paths This dialog box is automatically displayed when you add a volume to a new path group using the Add Volume Auto command or the Add Volume Manual command You can also open this dialog box by clicking the Configure Cross subsystem Paths command in the Volume Operation window You can change the priority add and delete the cross subsystem path in the Configure Cross subsystem Paths dialog box The Volume Operation window displays only the external storage system which you have configured the mapping However the Configure Cross subsystem Paths dia
207. t 2 World Wide LUN Name 600508b4 001028cb 00005000 01230000 World Wide LUN Name 600508b4 001028cb 00005000 012c0000 Figure A 1 Configuration Example for which Logical Volumes Cannot be Identified only by Characteristic A 16 Connecting External Storage Systems Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Note on Behavior of Alternate Path when EVA Storage System is Connected When an EVA storage system is connected the behavior of the alternate path differs depending on the microprogram version of the EVA storage system If the storage system type is EVA3000 5000 the behavior of the alternate path differs between the EVA storage systems of the microprogram version 4 000 or later and the EVA storage systems of the earlier microprogram versions If you want to replace the microprogram of the EVA storage system check whether the behavior of the alternate path changes as a result of changing the microprogram version If the behavior of the alternate path changes perform the Delete Volume operation of Universal Volume Manager to release the setting of mapping the EVA storage system volume before you actually replace the microprogram Refer to the EVA storage system documentation for how the behavior of the alternate path changes System Parameter Settings for Connecting Sun StorEdge 6120 6320 When you connect a Sun StorEdge 6120 6320 as an external storage system set the system pa
208. t Name is Clicked When you click a product name in the Path Operation tree WWN which indicate the port in the external storage system is displayed in the list QDepth KO TOV Path Watch 0111111 000000000 8 15 s 0111111000000001 se E 3 Figure 4 7 Path Operation List when Product Name is Clicked The Path Operation list consists of e WWN The following items are displayed WWN WWYN indicating the port in the external storage system that the connection setting is completed QDepth The number of Read Write commands which can be issued queued to the external volume at a time I O TOV Value specified as the time over of the I O to the external volume Path Watch The time from when the connection of all the cross subsystem paths to the external volume have been down to when the external volume is blocked Status Status of the cross subsystem path For the displayed statuses see Table 4 7 e Pop up menu Right click a row in the Path Operation list to perform the following operations from the pop up menu Table 4 9 Pop up Menu in the Path Operation List when Product Name is clicked Disconnect Paths Allows you to stop the use of the cross subsystem paths which are connected to the selected external port of the local storage system Check Paths Allows you to restart the use of the cross subsystem paths which are connected to the selected external port of the local storage
209. t connecting the external storage system to External in the Port Operation window of Universal Volume Manager 4 Map the external volume to the internal volume You can map external volumes automatically or manually in the Volume Operation window 5 2 Performing Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide 5 Perform the following operation according to the emulation type that you set for mapping If you select the emulation type of mainframe you need to format the volume or perform the Write to Control Blocks operation using Virtual LVI LUN VLL For the procedure to format the volume and perform the Write to Control Blocks operation see the Virtual LVI LUN and Volume Shredder User s Guide If you select the emulation type of open system you need to define LU paths to a host using LUN Manager For the procedure of defining LU paths see the LUN Manager User s Guide Setting Port of External Storage System This section describes the procedure of setting port of the external storage system For detailed information refer to the documents for the external storage system you use To set the port of the external storage system 1 Set the topology information according to the configuration of the connection 2 According to the configuration set the data transfer speed 3 Set the system parameters See Connecting External Storage Systems t
210. tem model Table A 6 Relationship between Serial Number and 9500V Model D600XXXX 9570V 9520V D60JXXXX 9530V D60HXXXX 9580V 9585V Note In serial numbers X is an arbitrary number or character Relationship between WWN of Port and Controller 9500V When the external storage system is Thunder 9500V storage system you can identify the controller controller O or controller 1 from the WWN of the port A 6 Connecting External Storage Systems Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide The following table describes the relationship between WWN of port and controller Table A 7 Relationship between WWN of Port and Controller 9500V 9570V Controller 0 XXXXXXXXXXXXXXX0 9530V XXXXXXXXXXXXXXX 9520V Controller 1 XXXXXXXXXXXXXXX2 XXXXXXXXXXXXXXX3 9580V Controller 0 XXXXXXXXXXXXXXX0 9585V XXXXXXXXXXXXXXX1 XXXXXXXXXXXXXXX2 XXXXXXXXXXXXXXX3 Controller 1 XXXXXXXXXXXXXXX4 XXXXXXXXXXXXXXX5 XXXXXXXXXXXXXXKE XXXXXXXXXXXXXXXT Note In WWNs X is an arbitrary number or character The ports in the same apparatus has the identical value Connecting External Storage Systems Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Path Status and Examples of Recovery Procedure 9500V This section describes errors that require recovery operation on the external storage system side when the path status is not normal When the path
211. ternal storage system side when the path status is not normal When the path status is not normal see the following table to recover the path status If you cannot restore the path call the Hitachi Data Systems Support Center see Calling the Hitachi Data Systems Support Center Table A 11 Path Status and Examples of Recovery Procedure 9900V path Status Examples of Recovery Procedure External device Settings of the LU paths may have been changed by LUN Manager Check the setting changed settings of the LU paths If the settings of the LU paths have been changed change the settings back to the ones when the volume is mapped Or use Universal Volume Manager to perform the Delete LU operation and perform the Add LU operation again The access attribute of the volume may have been changed by Open LDEV Guard Check the access attribute of the volume If the volume is protected by the access attribute release the protection Illegal request or The volume may have been set as a pair volume for data copy Check if the volume is set as a pair volume of ShadowImage TrueCopy or some other copy program If the volume is set as a pair volume the volume may be protected because of the pair status When the volume is protected change the pair status or delete the pair Response error The access attribute of the volume may have been changed by Open LDEV Guard Check the access attribute of the volume If the volume is protected by t
212. terval is set mapping is performed in intervals of that number e Pop up menu This dialog box does not have a pop up menu that can be displayed Other items are same as the LDEV Mapping Auto dialog box SSID Dialog Box The SSID dialog box allows you to set the SSID to the LDEVs in the external volume The USP V VM storage system assigns a SSID which identifies each group of LDEV number If the LDEVs that you created do not have SSID you need to assign one using the SSID dialog box The SSID dialog box is displayed during the mapping operation when the SSID setting is required 5 14 Performing Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide f sso M SLPR Limitea LDEVBoundary ssid 00 01 00 FF fd Cancel Figure 5 6 SSID Dialog Box The SSID dialog box consists of SLPR drop down list When the storage system is partitioned using Virtual Partition Manager use the SLPR drop down list If you select the SLPR Limited check box and select the SLPR number in the SLPR drop down list only the SSIDs that can be used for the selected SLPR can be set in the Set SSID dialog box If you do not select the SLPR Limited check box you can set the SSID from all the unused SSIDs regardless of the selected SLPR number List LDEV Boundary The range of LDEVs in the selected external volume is displayed SSID The SSIDs all
213. th group to which the cross subsystem path belongs in the Volume Operation tree Right click the cross subsystem path in Cross subsystem Paths in the Volume Operation list Click Configure Cross subsystem Paths in the pop up menu In the Configure Cross subsystem Paths dialog box right click the cross subsystem path that you want to cancel the configuration in the Selected Paths Click Delete in the pop up menu The configuration of the selected cross subsystem path is canceled and the cross subsystem path is deleted from the Cross subsystem Paths Click OK to close the Configure Cross subsystem Paths dialog box You are returned to the Volume Operation window The settings are displayed in blue and italics Verify the settings in the Preview dialog box Click Apply in the Volume Operation window The settings are applied to the local storage system and the Volume Operation window is displayed normally When an error occurs an error message is displayed Verify the details in the Preview dialog box Performing Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Changing the Cross subsystem Path To change the cross subsystem path cancel the current cross subsystem path and configure another cross subsystem path as a new cross subsystem path Replacing All the Cross subsystem Paths with Newly added Cross subsystem Paths This section explains how to c
214. the External Volume Mapping OOOKdADAAAAAAAAAH ADA Performing Universal Volume Manager Operations 5 1 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Overview of Setting Operations The following figure illustrates the flow chart of the setting operations which make external volumes usable from a host by using Universal Volume Manager Prepare a volume in the external storage system Setting on the external storage system site Set the port of the external storage system Setting on the external storage system site Set the port of the local storage system Port Operation window Map the external volume Volume Operation window Which type of the emulation type is set for the mapped volume for the Open system or the Mainframe system For Mainframe Perform one of the following operation using Virtual LVI LUN VLL For Open Define LU paths to a host Format the volume using LUN Manager Perform the Write to Control Blocks operation Figure 5 1 Operations of Making External Volumes Usable from a Host The outlined procedure of the making the external volumes usable from a host is as follows 1 Prepare a volume in the external storage system 2 Set the port and system parameters for the external storage system For the procedure refer to the documents for your external storage system 3 Start Storage Navigator and set the attribute of the por
215. the abnormal reply Response was returned however the processing has been stopped by timeout Reaction The port of the external storage system is recognized Check the condition of the connection e g cables switches to the external storage system If you cannot restore the path call the Hitachi Data Systems Support Center Target error Status An error such as the blockade of the controller has been found in the port of the external storage system Reaction Check the status of the ports of the external storage system If you cannot restore the path call the Hitachi Data Systems Support Center Troubleshooting Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide p Error Corrective Action Unavailabl Status The reply of the external storage system was Unavailable e The external storage system demands to change the connected port Once the status becomes Unavailable the primary path is changed to the alternate path that is in the Standby status When the primary path has been changed the status of the path becomes Normal Reaction If the path is not changed over properly check the status of the external storage system If you cannot restore the path call the Hitachi Data Systems Support Center Backoff Status The reply of the external storage system was Backoff The status of the path is waiting for recovery because a temporary error has occurred in the volume of t
216. the cross subsystem paths A Identifier B C Port Port number of the local storage system D WWN WWN of the external storage system E LUN LU number of the external volume Using Spreadsheets for Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Mapping External Volumes AddVolumeSetting Tag You can map external volumes to the local storage system by specifying a spreadsheet that includes the AddVolumeSetting tag when you execute the CFLSET command using the Storage Navigator CLI Write parameters required for mapping external volumes in the AddVolumeSetting tag Parameters must be written in a hierarchical structure by using the identifier The following table shows the structure and identifier of the parameters that can be set for the AddVolumeSetting tag Table 6 6 Structure and Identifier of AddVolumeSetting Tag Parameters Cee eea l e O a The first None Information about This layer is required layer external volumes and the primary path The second Information about Specifies one row for each alternate path Up to seven layer alternate paths rows can be specified It is recommended that you specify at least one alternate path The third Information about Specifies one row for each LDEV Up to 2 048 rows layer LDEVs can be specified If you do not specify the third layer no LDEVs will be created Using Spreadsheets f
217. the external storage system regardless of the Cache Mode setting e If you set the emulation type for a mainframe system such as 3390 x data that is written by a host using a command such as Format Write is asynchronously destaged to the external storage system regardless of the Cache Mode setting Data that is written by a host using a command such as Update Write is destaged to the external storage system as configured in the Cache Mode setting e Inflow Control Enable or Disable Inflow control specifies whether the writing operation to the cache memory is stopped Enable or continued Disable when the writing operation to the external volume is impossible By default inflow control is set to Disable If you select Enable the writing operation to cache is stopped and the I O from the host is not accepted when the writing operation to the external volume is impossible If you select Disable the I O from the host during the retry operation is written to the cache memory even after the writing operation to the external volume is impossible Once the writing operation to the external volume becomes normal all the data in the cache memory is written to the external volume all the data is destaged 2 10 About Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide CLPR When the cache memory is partitioned using Virtual Partition Manager configure a cache
218. the switch In this case two ports of different clusters are specified in the local storage system Therefore the setting of the alternate path is enabled Local Storage System External Storage System External CL1 A Internal External Volume Volume External CL2 A Legend 5 Internal volume where the external volume is mapped Figure 2 4 Example of Available Alternate Path Setting About Universal Volume Manager Operations 2 13 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide In Figure 2 5 two paths are also set between the internal volume and the external volume However one port is specified in the local storage system and two ports are specified in the external storage systems over the switch This configuration is not recommended because two ports of different clusters need to be set in the local storage system for alternate path settings in Universal Volume Manager Local Storage System External Storage System Switch Internal External External Volume CL1 A Volume Legend ie Internal volume where the external volume is mapped Figure 2 5 Example of Unavailable Alternate Path Setting Examples of Switching I O Execution Paths to Alternate Paths This section describes the case examples of the performance when the I O execution path is switched to the alternate path for each path mode as follows When the path mode is Multi mode When the path mode is Single mode
219. them in the Add Volume dialog box and then click the LDEV Mapping Auto in the pop up menu The LDEV Mapping Auto dialog box is displayed 2 Configure the starting LDEV number and interval as follows LDKC 00 CU 01 Interval 255 LDEV map Select the cell in the row 1 and column OO 3 Click OK LDEV numbers are automatically assigned as follows the first LDEV 00 01 01 the second LDEV 00 02 01 the third LDEV 00 03 01 the fourth LDEV 00 04 01 However the Add Volume dialog box displays only the LDEV number assigned for the first LDEV of each external volume In this case 00 01 01 and 00 03 01 are displayed in the Add Volume dialog box 5 16 Performing Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Example How to Map LDEVs Manually This example shows how to map two external volumes that have the same emulation type and create two LDEVs in each external volume To assign the desired number to total four LDEVs that you created 1 Select the two external volumes and right click them in the Add Volume dialog box and then click the LDEV Mapping Manual in the pop up menu The LDEV Mapping Manual dialog box is displayed 2 Click the LDEV to which you want to assign an LDEV number in the LDKC CU LDEV column on the left of the LDEV Mapping Manual dialog box 3 Select the desired LDKC number and the desire
220. tions Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Universal Volume Manager Requirements The following table describes the Universal Volume Manager requirements Table 3 2 Universal Volume Manager Requirements Oo o a o o O Maximum number of ports in the 1 024 per port connected external storage system WWN is used as a port identification number Maximum number of external volumes 63 232 volumes can be connected which can be connected 4 096 volumes can be connected per port Note If you use Copy on Write Snapshot or Dynamic Provisioning the number of external volumes which can be connected is as follows Number of external volumes Number of virtual volumes lt 63 232 Maximum number of mapping paths 8 can be set for one external volume Maximum capacity of an external 4 TB per external volume 8 589 934 592 blocks volume If you specify an external volume which is more than 4 TB you can access the data stored in the field up to 4 TB You cannot access the data that is stored in the field over 4 TB Minimum capacity of an external 77 760 blocks about 38 MB per external volume volume However when the emulation type of the volume is OPEN V the minimum capacity becomes 96 000 blocks about 47 MB per external volume Maximum number of external volume 16 384 groups Maximum number of external volumes 4 096 which can be registered in one external volum
221. topology information according to the configuration of the connection When the switch is connected set the Fabric to Enable When the switch is not connected set the Fabric to Disable and set FC AL Set the Connection according to the configuration of the actual connection For detailed information on setting the topology information see the LUN Manager User s Guide 8 According to the configuration set the data transfer speed For the data transfer speed select Auto Negotiation setting AN Note When you connect a TagmaStore AMS WMS storage system use LUN Manager to set the data transfer speed of the external port which you use to a fixed value other than the Auto Also set the data transfer speed of the target port of the TagmaStore AMS WMS storage system to the fixed value according to the data transfer speed of the external port Mapping an External Volume Automatically After setting the attribute of the port used for Universal Volume Manager to the external port you are enabled to map the external volume as an internal volume External volumes can be mapped either automatically or manually This section explains the automatic mapping 5 4 Performing Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Caution Do not specify 01 for the LDKC number when you map a volume of which the emulation type is 3380 series except for 3380 3 3380 3A 3380 3B
222. ume in another external storage system Storage USP V VM Storage System External Storage System Navigator Computer Storage USP V VM Storage System External Storage System Navigator Computer Volumes installed in the storage system les Virtual volumes that do not have physical memory space Copy operation Lines showing the concept of virtualization Figure 1 1 Unifying Copy Operations between Different Storage Systems Overview of Universal Volume Manager 1 3 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Unifying Connections from a Host to Different Storage Systems When a system has multiple storage systems a host usually needs to connect all storage systems When a system administrator configures the connections from a host to volumes they need to follow the different instructions depending on the storage systems If you install Universal Volume Manager a system administrator only needs to configure the connection from a host to the USP V VM storage system After the configuration is completed a host can manipulate volumes in the external storage system in the same way as volumes in the USP V VM storage system Host USP V VM Storage Syste External Storage System Legend Volumes installed in the storage system pad Virtual volumes that do not have physical memory space gt Access 1 Lines showing the concept of virtualization
223. us 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 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 vertical bar 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 a b indicates that you must choose either a or b underline Indicates the default value Example a b Preface xiii Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide This document uses the following icons to draw attention to information me e SE Note Calls attention to important and or additional information Tip Provides helpful information guidelines or suggestions for performing
224. used to execute the I O to the external volume When an error occurred in the primary path the path with the second highest priority is used Multi For the Multi mode all of the cross subsystem paths that you configured are used at the same time The multiple paths are used to execute the I Os to the external volume distributing the work load Ext VOL Info information about the external volume When the external volume is an SATA drive of the TagmaStore AMS WMS storage system or the Thunder 9500V series storage system is displayed For the operation of the SATA drive follow the method of the TagmaStore AMS WMS or Thunder 9500V storage system Ext VOL Status status of the operation executed to the external volume or status of the connection of the mapping path For the displayed status descriptions see Table 4 3 To check status of each LDEV in the external volume you need to view the VLL window Progress displays when the Status is Cache Destage The progress status of destaging processing is displayed in 1 to 99 Characteristic2 extended identification number of the external volume This information is used for identifying volumes in the EVA storage system e Cross subsystem Paths The following items are displayed Priority Priority of the cross subsystem paths 1 indicates the cross subsystem path with the highest priority Port The port number in the local storage system connecting
225. uted automatically If you need to format the mapped volume format the volume using the VLL function For the volume formatting operation procedure see the Virtual LVI LUN and Volume Shredder User s Guide Create a pool and add the mapped external volume to that pool as a pool VOL Set the P VOL and S VOL of the Copy on Write Snapshot pair with specifying the pool you have created at the step 3 As you create a Copy on Write Snapshot pair the data of the internal volume in the local storage system that is set as a P VOL is copied to the external volume that is set as a pool VOL Local Storage System External Storage System sere eH Kan naa E eee i Copy on Write Copy on Write Mapping i Snapshot i Snapshot Pool VOL Siete i SR ee Snapshot P VOL Creating a Copy on Write Snapshot pair Legend O Internal volume F7 Virtual volume S VOL of the Copy on Write Snapshot pair c 1 Internal volume where the external volume is mapped a el External volume p Data copy direction Figure 2 16 Example of the Copy on Write Snapshot Operation About Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Preparing for Universal Volume Manager Operations This chapter describes the requirements and preparations for Universal Volume Manager operations O O O O System Requir
226. vided in the mapped volume This means that the capacity that can be used after the mapping becomes smaller than the actual external volume capacity The available capacity decreases as much capacity as the data management information area Figure 3 2 shows an example of the case that the original capacity of the external volume is bigger than the basic capacity of the emulation type The emulation type is OPEN 3 Figure 3 3 shows an example of the case that the original capacity of the external volume is smaller than the basic capacity of the emulation type Preparing for Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide External Volume VDEV LDEV LU Area provided to store data Free Space management information The area less than the basic capacity of emulation type remains as free space Figure 3 2 When the External Volume Capacity is Bigger than the Basic Capacity of Specified Emulation Type Example of the OPEN 3 emulation type External Volume VDEV LDEV LU Area provided to store data management information Figure 3 3 When the External Volume Capacity is Smaller than the Basic Capacity of Specified Emulation Type Guidelines for Mainframe Volumes e If you plan to use the mapped external volume from the mainframe OS e g the volume is mapped with the setting of 3390 x mainframe emulation type you need to select the external volume that consists of o
227. volume in the local storage system that is connected as the MCU is set as the P VOL of the Universal Replicator pair For details on Universal Replicator see the Universal Replicator User s Guide The procedure for the operation is as follows 1 2 32 Use Universal Volume Manager to map the volume in the external storage system as an internal volume of the local storage system which is used as RCU for the Universal Replicator operation You can select the emulation type of the mapped volume as you required If you select the emulation type for the open system such as OPEN V go on to the step 2 If you select the emulation type for the mainframe system such as 3390 3 go on to the step 3 If you set the emulation type for the open system when you map the volume the status of the mapped volume automatically becomes Normal However the volume formatting processing is not executed automatically If you need to format the mapped volume format the volume using the VLL function For the volume formatting operation procedure see the Virtual LVI LUN and Volume Shredder User s Guide Go on to the step 4 If you set the emulation type for the mainframe system when you map the volume the status of the mapped volume becomes Blockade Format the volume using the VLL function Or if you have mapped the volume for which the data area has already been zero formatted on the external storage system side perform the Write to Control Blocks
228. when the external volumes are mapped LDEV LDKC CU LDEV number which is assigned to the external volume When multiple LDEVs are created in the external volume the top LDEV number is displayed and is displayed at the end of the number LDKC Logical Disk Controller CU Control Unit Characteristic1 identification number of the external volume Device name of the storage system that is reported to the host by the external volume The displayed items differs depending on the vendor of the storage system Using the Universal Volume Manager GUI 4 7 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Capacity blocks capacity of the external volume in Blocks Cache Mode displays whether the write data from the host to the external storage system is propagated synchronously Disable or asynchronously Enable Data that is not written by the host for example data written by ShadowImage is asynchronously destaged to the external storage system regardless of the Cache Mode setting Inflow Control displays whether the writing operation to the cache memory is stopped Enable or continued Disable when the writing operation to the external volume is impossible Path Mode Indicates how the cross subsystem paths work The displayed modes of the cross subsystem path are as follows Single For the Single mode the only cross subsystem path with the highest priority primary path is
229. y have been changed by Data Retention Utility Check the access attribute of the volume If the volume is protected by the access attribute release the protection A 10 Connecting External Storage Systems Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide path Status Examples of Recovery Procedure Cannot detect There is a problem with connection to the external storage system The possible port causes are The fibre cable is not physically connected in the proper way The setting of the topology does not match between the external port and the target port If the external storage system is connected through switches the settings for the switches may not be appropriate Make sure that the fibre cable is connected properly and then set the fibre channel port properly using LUN Manager The LUN security may have been enabled by LUN Manager Check if the LUN security is enabled or not If the LUN security is enabled disable the LUN security Lightning 9900V Storage System When you connect a Lightning 9900V storage system as the external storage system you need to set the port to the host group for the Windows hosts host mode OC Windows host mode 2C Windows Extension Also the port attribute must be the target port or the RCU target port Path Status and Examples of Recovery Procedure 9900V This section describes errors that require recovery operation on the ex
230. y switched to the restored path that has the highest priority About Universal Volume Manager Operations 2 15 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide Local Storage System External Storage System Path Priority 1 Internal Path Volume Priority 2 External Path Port C Priority 3 Local Storage System External PortA Lee External Path Port C Priority 3 External Storage System Port Priority 1 Path Priority 2 Internal Volume External Volume Legend gt Internal volume where the external volume is mapped gt 0 Figure 2 7 When the Path Mode is Single Mode e When the path mode is Single mode and there is at least one alternate path in the Standby status Figure 2 8 shows an example of the case when the path mode is Single mode and there are the alternate paths in the Normal status and the Standby status Figure 2 9 shows another example of the case when the path mode is Single mode In the case of Figure 2 9 there are alternate paths in the Standby status only 2 16 About Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide When an error occurs in the path that is being used for I Os the I O execution path is switched to the path with the second highest priority in the Normal status If there is no path in the Normal status other than the
231. you need to configure system options before performing the port discovery or volume discovery operation to validate the VMA information Please call the Hitachi Data Systems Support Center to find out about how to configure system options see Calling the Hitachi Data Systems Support Center If you have previously mapped a TagmaStore USP volume and set the VMA of Data Retention Utility in that volume the VMA setting is inherited when you map the volume again Maintenance Guidelines for an External Storage System Before you change settings of the external storage system you must delete the external volume mapping After you change settings of the external storage system you must remap the external volume If you do not remap the volume the external volume cannot be used in the local storage system The examples of external storage system settings which require the re mapping of external volume are as follows Changing WWNs of target ports which connect to the local storage system Changing the serial number of the external storage system Changing LUNs of volumes of the external storage system Reducing the volume capacity of the external storage system so that the volume capacity is smaller than when volume mapping was performed Besides re mapping is required for Universal Volume Manager after you change external storage system settings that require modification on the host side when hosts are connected directly to a exte

Hitachi MK-96RD626-07 User's Manual

Contents

Download Pdf Manuals

Related Search

Related Contents