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Hitachi Universal Storage Platform V User's Manual

1. Private LAN Web Browser Download Web Client Java Applet Configuration information Web Client Java Applet program is Data communication running d Information acquisition Web Client J VM Web Server J VM Figure 3 5 Storage Navigator and SVP Configuration Functional and Operational Characteristics 3 9 Hitachi Universal Storage Platform V VM User and Reference Guide System Option Modes Host Modes and Host Mode Options System Option Modes Table 3 1 To provide greater flexibility and enable the Universal Storage Platform V VM to be tailored to unique customer operating requirements additional operational parameters or system option modes are available At installation the modes are set to their default values specified in below Be sure to discuss these settings with your Hitachi Data Systems team The system option modes can only be changed by a Hitachi Data Systems representative Table 3 1 lists the system option mode information for Universal Storage Platform V VM microcode 60 02 48 00 00 Table 3 2 specifies the relationship between modes 503 and 269 for Storage Navigator operations Table 3 3 specifies the relationship between modes 503 and 269 for SVP operations The system option mode information may change in future microcode releases Contact your Hitachi Data Systems representative for the latest information on the USP V VM system op
2. ampere array control processor another name for back end director American Society for Testing and Materials Advanced Technology Attachment standard average business continuity back end director basic power supply bus adapter British thermal unit degrees Celsius cache Concurrent Copy Command Control Interface compact disk Canadian Electroacoustic Community cache fast write channel channel adapter client host interface processor another name for front end director channel channel processor MPs on the FED features or channel path channel path identifier common internet file system count key data cluster command line interface cache logical partition cache memory adapter central processing unit Canadian Standards Association cache switch cache switch card control unit custom volume Acronyms and Abbreviations Acronyms 1 Hitachi Universal Storage Platform V VM User and Reference Guide CVS DASD dB A DFDSS DFSMS DFW DKA DKC DKP DKU DLM DNS dr DRAM DSF DTDS ECKD EOF EMI EPO EREP ESA ESCON ESS ExSA FAL FBA FC FC AL FCC FCP FCU FDR FED FICON F M FWD FX g Gb GB Gbps Gb s GLM GLPR GUI HACMP HBA HCD HDLM Acronyms 2 Custom Volume Size another name for Virtual LVI LUN direct access storage device decibel A weighted Data Facility Dataset Services Data Facility System Managed Storage DASD fast write disk adapter disk contro
3. HITACHI Inspire the Next Hitachi Universal Storage Platform V Hitachi Universal Storage Platform VM User and Reference Guide Document Organization Product Version Getting Hel Contents Hitachi Data Systems MK 96RD635 04 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 the Hitachi logo and Hitachi D
4. Because of this back end performance must be checked to make sure it is sufficient If back end performance is insufficient a timeout may occur due to a bottleneck in the back end When a bottleneck occurs in the back end the performance may be worse than when mode 498 is OFF Functional and Operational Characteristics Hitachi Universal Storage Platform V VM User and Reference Guide OFF 3 15 os 503 Common For the Install CV Make Volume and Volume Initialize functions of Virtual LVI LUN after LDEVs are installed LDEV format is suppressed and a blocked LDEV is created Also VLL operations and the UVM Add LU and Delete LU operations are available even when an LDEV is blocked or being formatted Mode 503 ON VLL operations with LDEV format suppressed are available and VLL operations can be performed when an LDEV is blocked Mode 503 OFF After LDEV installation using VLL LDEV format is performed and VLL operations cannot be performed when an LDEV is blocked Notes When mode 503 is ON LDEV format processing is prevented so the High Speed Format function for VLL operations mode 269 is not available For details about the relationship between mode 503 and mode 269 see Table 3 2 and Table 3 3 below When a PDEV is blocked or a correction copy is in progress VLL operations cannot be performed OFF MCU RCU 505 VPM Speed up changing CLPR cache assignment and reduce
5. J CL MPLF ms msec MVS NBU NEC NFS NIS NTP NVS Hitachi Data Systems hard disk unit HiCommand Global Link Availability Manager Hierarchical Star Network Hierarchical Star Network high water mark Hertz A DSF command used to perform media maintenance access method services a component of Data Facility Product initial microprogram load inch es input output operation or device input output configuration program job control language kilobyte see Convention for Storage Capacity Values kilocalorie kilogram kilometer kilovolt ampere kilowatt local area network pound logical device logical device light emitting diode logical partition link control processor local control port least recently used logical unit logical unit number logical unit logical volume image logical volume manager Logical Volume Manager long wavelength meter megabyte see Convention for Storage Capacity Values missing interrupt handler millimeter microprocessor Multi Path Locking Facility magnetoresistive millisecond Multiple Virtual Storage including MVS ESA MVS XA NetBackup a VERITAS software product National Electrical Code network file system network information service network time protocol nonvolatile storage Acronyms and Abbreviations Acronyms 3 Hitachi Universal Storage Platform V VM User and Reference Guide UCB Acronyms 4 Object Data Manager original equipment manufact
6. 2D 2D Layout RAI D 5 A RAID 5 array group consists of four 3D 1P or eight 7D 1P disk drives The data is written across the four or eight disk drives in a stripe that has three or seven data chunks and one parity chunk Each chunk contains either eight logical tracks mainframe or 768 logical blocks open The enhanced RAID 5 implementation in the USP V minimizes the write penalty incurred by standard RAID 5 implementations by keeping write data in cache until an entire stripe can be built and then writing the entire data stripe to the disk drives The 7D 1P RAID 5 increases usable capacity and improves performance Figure 3 2 illustrates RAID 5 data stripes mapped over four physical drives Data and parity are striped across each of the disk drives in the array group hence the term parity group The logical devices LDEVs are evenly dispersed in the array group so that the performance of each LDEV within the array group is the same Figure 3 2 also shows the parity chunks that are the Exclusive OR EOR of the data chunks The parity and data chunks rotate after each stripe The total data in each stripe is either 24 logical tracks eight tracks per chunk for mainframe data or 2304 blocks 768 blocks per chunk for open systems data Each of these array groups can be configured as either 3390 x or OPEN x logical devices All LDEVs in the array group must be the same format 3390 x or OPEN x For open systems each LDE
7. FICON port 2105 emulation 65 536 1024 host paths x 64 CUs 2107 emulation 261 120 1024 host paths x 255 CUs Logical paths per ExSA ESCON port 512 32 host paths x 16 CUs Max FICON logical paths per system 2105 emulation 131 072 2107 emulation 522 240 Max ExSA ESCON logical paths per system 8 192 Maximum LUs per fibre channel port 2048 Maximum LDEVs per storage system USP V 130 560 256 LDEVs x 510 CUs USP VM 65 280 Note When the number of devices per CHL image is limited to a maximum of 1024 16 CU images can be assigned per CHL image If one CU includes 256 devices the maximum number of CUs per CHL image is limited to 4 Architecture and Components Hitachi Universal Storage Platform V VM User and Reference Guide Back End Directors and Array Domains The back end director BED features control the transfer of data between the disk drives and cache The BEDs are installed in pairs for redundancy and performance The USP V can be configured with up to eight BED pairs providing up to 64 concurrent data transfers to and from the disk drives The USP VM is configured with one BED pair which provides eight concurrent data transfers to and from the disk drives The disk drives are connected to the BED pairs by fibre cables using an arbitrated loop FC AL topology Each BED pair has eight independent fibre back end paths controlled by eight back end microprocessors Each
8. LDEV and LUN Expansion enables users to concatenate multiple LUs into large volumes For further information on Virtual LVI LUN and LUN Expansion please refer to the Virtual LVI LUN User s Guide MK 96RD630 and LUN Expansion User s Guide MK 96RD616 Functional and Operational Characteristics Hitachi Universal Storage Platform V VM User and Reference Guide Storage Navigator The Hitachi Storage Navigator software communicates directly with the the Universal Storage Platform V and VM storage systems via a local area network LAN to obtain storage system configuration and status information and send user requested commands to the storage systems Storage Navigator displays detailed storage system information and allows users to configure and perform operations on the Universal Storage Platform V VM Storage Navigator is provided as a Java applet program that can be executed on any machine that supports a Java Virtual Machine JVM A PC hosting the Storage Navigator software is called a remote console Each time a remote console accesses and logs into the SVP of the desired storage system the Storage Navigator applet is downloaded from the SVP to the remote console Figure 3 5 illustrates remote console and SVP configuration for Storage Navigator For further information on Storage Navigator refer to the Storage Navigator User s Guide MK 96RD621 Storage Navigator Universal Storage Platform V Private LAN Yj Uy pe
9. RAI D level intermix all RAID types is allowed within an array domain under a BED pair but not within an array group RAID group 7D 1P 4D 4D Meer Fibre Port Number Pesce Fibre Port O J lt Fibre Loop E spiele BED Pair Hedy eH ee RAID group 3D 1P 2D 2D Max 64 HDDs per FCAL 1 A RAID group 3D 1P 2D 2D consists of fibre port number 0 2 4 and 6 or 1 3 5 and 7 Figure 2 3 Conceptual Array Domain 2 10 Architecture and Components Hitachi Universal Storage Platform V VM User and Reference Guide Hard Disk Drives The Universal Storage Platform V VM uses disk drives with fixed block architecture FBA format Table 2 3 lists and describes the currently available hard disk drives 72 GB 146 GB 300 GB 400 GB and 750 GB Table 2 3 Disk Drive Specifications Disk Drive Formatted Revolution Interface Interface Data Transfer Rate Size Capacity Speed maximum 72 GB 71 50 GB 15 000 rpm 400 MB s 146 GB 143 76 GB 15 000 rpm FC 400 MB s 300 GB 288 20 GB 10 000 rpm FC 200 MB s 300 GB 288 20 GB 15 000 rpm FC 400 MB s 400 GB 393 85 GB 10 000 rpm FC 400 MB s 750 GB 738 62 GB 7 200 rpm SATA 300 MB s The storage capacity values for the disk drives raw capacity are calculated based on the following values 1 KB 1 000 bytes 1 MB 1 000 bytes 1 GB 1 000 byt
10. Red Hat Linux for IBM S 390 and zSeries Open Systems Sun Solaris HP UX IBM AIX Microsoft Windows Novell NetWare Red Hat and SuSE Linux VMWare ESX HP Tru64 SGI IRIX HP OpenVMS Product Overview Hitachi Universal Storage Platform V VM User and Reference Guide 1 5 Specifications for the Universal Storage Platform VM Table 1 2 provides a brief overview of the USP VM specifications Table 1 2 Specifications Universal Storage Platform VM Controller Optional second rack up to two disk chassis Single rack configuration controller and up to two disk chassis Universal Star Network Crossbar Switch Number of switches 2 Aggregate bandwidth 13 3 GB sec Aggregate OPS 1 2 million Cache Memory Boards 8 Board capacity 4 or 8 GB Maximum 64 GB Shared Memory Boards 4 Board capacity 4 GB Maximum 16 GB Front End Directors Connectivity Boards 3 Fibre channel host ports per feature 8 or 16 Fibre channel port performance 4 Gb sec Maximum number of fibre channel host ports 48 Virtual host ports 1 024 per physical port Maximum FICON host ports 24 Maximum ESCON host ports 24 Logical Devices LDEVs Maximum Supported Open systems 65 536 Mainframe 65 536 Hard Disk Drives Capacity and fibre channel 73 GB 146 GB 300 GB 400 GB 750 GB Number minimum maximum 0 240 Spare
11. Storage Platform V USP V and Hitachi Universal Storage Platform VM USP VM storage systems and provides general instructions for operating the USP V and USP VM 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 Safety and Environmental Notices Intended Audience Product Version Document Revision Level Source Document s for this Revision Changes in this Revision Document Organization Referenced Documents Document Conventions Convention for Storage Capacity Values Getting Help Comments pumuuumumuurirmzit Notice The use of the Hitachi Universal Storage Platform V and VM storage systems and all other Hitachi Data Systems products is governed by the terms of your agreement s with Hitachi Data Systems Preface vii Hitachi Universal Storage Platform V VM User and Reference Guide Safety and Environmental Notices viii Federal Communications Commission FCC Statement This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with t
12. Systems Operations Open Systems Compatibility and Functionality 3 24 The Universal Storage Platform V VM supports and offers many features and functions for the open systems environment including e Multi initiator I O configurations in which multiple host systems are attached to the same fibre channel interface e Fibre channel arbitrated loop FC AL and fabric topologies e Command tag queuing e Industry standard failover and logical volume management software e SNMP remote storage system management The Universal Storage Platform V VM s global cache enables any fibre channel port to have access to any LU in the storage system In the USP V VM each LU can be assigned to multiple fibre channel ports to provide I O path failover and or load balancing with the appropriate middleware support such as HGLAM without sacrificing cache coherency The user should plan for path failover alternate pathing to ensure the highest data availability The LUs can be mapped for access from multiple ports and or multiple target IDs The number of connected hosts is limited only by the number of FC ports installed and the requirement for alternate pathing within each host If possible the primary path and alternate path s should be attached to different channel cards Functional and Operational Characteristics Hitachi Universal Storage Platform V VM User and Reference Guide Open Systems Host Platform Support Table 3 5 lists the open sys
13. failed storage path If so toggle the RESTART switch displayed on the and retry the operation If the fence message is displayed again call the console Hitachi Data Systems Support Center for assistance READY LED does not Call the Hitachi Data Systems Support Center for assistance go on or there is no WARNI NG Do not open the Universal Storage Platform V control frame or power supplied touch any of the controls Emergency fire Pull the emergency power off EPO switch You must call the Hitachi Data earthquake flood Systems Support Center to have the EPO switch reset etc ALARM LED is on If there is a temperature problem in the area power down the storage system lower the room temperature to the specified operating range and power on the storage system Call the Hitachi Data Systems Support Center for assistance with power off on operations If the area temperature is not the cause of the alarm call the Hitachi Data Systems Support Center for assistance 4 2 Troubleshooting Hitachi Universal Storage Platform V VM User and Reference Guide Service I nformation Messages The Universal Storage Platform V and VM generate service information messages SIMs to identify normal operations for example TrueCopy pair status change as well as service requirements and errors or failures For assistance with SIMs please call the Hitachi Data Systems Support Center SIMs can be generated by the front e
14. fibre channel FED features are available in shortwave multimode and longwave single mode versions When configured with shortwave features the USP V VM can be located up to 500 meters 2750 feet from the host When configured with longwave features the USP V VM can be located up to ten kilometers from the host s e FICON The FICON features provide data transfer speeds of up to 4 Gbps and have 8 ports per feature pair of boards Note FICON data transmission rates vary according to configuration S 390 Parallel Enterprise Servers Generation 5 G5 and Generation 6 G6 only support FICON at 1 Gbps z800 and z900 series hosts have the following possible configurations FICON channel will operate at 1 Gbps ONLY FICON EXPRESS channel transmission rates will vary according to microcode release If microcode is 3G or later the channel will auto negotiate to set a 1 Gbps or 2 Gbps transmission rate If microcode is previous to 3G the channel will operate at 1 Gbps ONLY For further information on FICON connectivity refer to the Mainframe Host Attachment and Operations Guide MK 96RD645 or contact your Hitachi Data Systems representative e ESCON The ExSA features provide data transfer speeds of up to 17 MB sec and have 8 ports per feature pair of boards Each ExSA channel can be directly connected to a CHPID or a serial channel director Shared serial channels can be used for dynamic path switching The USP V VM also s
15. supports up to 32 GB 12 GB for TagmaStore USP The USP VM supports up to 16 GB 6 GB for TagmaStore NSC Total storage capacity internal and external storage The USP V supports up to 247 PB 32 PB for TagmaStore USP The USP VM supports up to 96 PB 16 PB for TagmaStore NSC Aggregate bandwidth The USP V provides an aggregate bandwidth of up to 106 GB sec 81 GB sec for TagmaStore USP Fibre channel ports The USP V supports up to 224 FC ports 192 for TagmaStore USP FICON ports The USP V supports up to 112 FICON ports 96 for TagmaStore USP The USP VM supports up to 24 FICON ports 16 for TagmaStore NSC ESCON ports The USP V supports up to 112 ESCON ports 96 for TagmaStore USP Open system logical devices The USP VM supports up to 65 536 LDEVs 16 384 for TagmaStore NSC Product Overview 1 3 Hitachi Universal Storage Platform V VM User and Reference Guide Specifications at a Glance Specifications for the Universal Storage Platform V Table 1 1 provides a brief overview of the USP V specifications Table 1 1 Specifications Universal Storage Platform V Controller Basic platform packaging unit Integrated control array frame and 1 to 4 optional array frames Universal Star Network Crossbar Switch Number of switches 8 Aggregate bandwidth 106 GB sec Aggregate OPS 4 5 million Cache Memory Boards 32 Board capacity 4 GB or 8 GB Maximum 256 GB S
16. the processing time to a maximum of one minute per 1 GB Mode 505 ON Speed up changing CLPR cache assignment max 1 minute per 1 GB Mode 505 OFF Speed of changing CLPR cache assignment is normal max 5 minutes per 1 GB OFF 530 Universal Replicator for z OS When a UR for z OS pair is in the duplex state this option switches the display of Consistency Time C T between the values at JNL restore completion and at JNL copy completion Mode 530 ON C T displays the value of when J NL copy is completed Mode 530 OFF C T displays the value of when JNL restore is completed Note At the time of Purge suspend or RCU failure suspend the C T of UR for z OS displayed by Business Continuity Manager or Storage Navigator may show earlier time than the time shown when the pair was in the duplex state OFF RCU 531 OPEN and mainframe When PIN data is generated the SIM currently stored in SVP is reported to the host Mode 531 ON The SIM for PIN data generation is stored in SVP and reported to the host Mode 531 OFF The SIM for PIN data generation is stored in SVP only not reported to the host the same as the current specification OFF MCU RCU 545 3 16 Mainframe Hitachi Universal Storage Platform V VM User and Reference Guide When creating the record 0 field this option is used to allow the record 0 format with the WRFTK x95 command in the case the CCHH of Cou
17. 200 or 400 MB sec so certain restrictions apply For example when an array group consisting of HDDs with 200 MB sec transfer rate is intermingled with an array group consisting of HDDs with 400 MB sec transfer rate both array groups operate at 200 MB sec Device Emulation I ntermix Figure 2 9 illustrates an intermix of device emulation types The Universal Storage Platform V supports an intermix of all device emulations on the same BED pair with the restriction that the devices in each array group have the same type of track geometry or format The Virtual LVI LUN function enables different logical volume types to coexist When Virtual LVI LUN is not being used an array group can be configured with only one device type for example 3390 3 or 3390 9 not 3390 3 and 3390 9 When Virtual LVI LUN is being used you can intermix 3390 device types and you can intermix OPEN x device types but you cannot intermix 3390 and OPEN device types Note For the latest information on supported LU types and intermix requirements please contact your Hitachi Data Systems account team USPV Array Frame Array Frame Controller Frame Array Frame Array Frame 4th 2nd BED BED Pair Pair 3rd BED BED Pair Pair 3390 9 OPEN 3 3390 3 3390 9 OPEN V OPEN V Figure 2 9 Sample Device Emulation I ntermix Architecture and Components 2 17 Hitachi Unive
18. 491 3 14 Shadowl mage Shadowl mage for z OS FlashCopy V1 Hitachi Universal Storage Platform V VM User and Reference Guide Improve the performance of Shadowl mage Shadowl mage for z OS and FlashCopy version 1 Mode 491 ON The option Reserve 05 of SI SIz is available When this option is set to ON copy operations SI SIz FCv1 are increased from 64 processes to 128 processes for improved performance Mode 491 OFF The option Reserve 05 of SI SIz is not available The copy operations SI Slz FCv1 are performed with 64 processes Notes Mode 491 requires at least three BED features If there are less than three BED features mode 491 is not effective Enable mode 491 when the performance of Shadowl mage Shadowl mage for z OS and or is considered to be important Do not enable mode 491 when host I O performance is considered to be important When mode 491 is ON set mode 467 to OFF If mode 467 is ON the performance may not improve Functional and Operational Characteristics OFF ee 493 Mainframe The CUIR function requires that the SA ID reported to the host is unique The SA ID value cannot be changed during online operations To change the SA ID value from normal to unique set mode 493 to ON and then perform a power cycle Setting mode 493 to ON without performing a power cycle does not enable the function Power cycle includes PS OFF ON volatile non
19. 8006096 Meters m Square feet ft 0 09290341 Square meters m Cubic feet per minute ft min 0 028317016 Cubic meters per minute m min Pound Ib 0 4535924277 Kilogram kg Kilocalories kcal 3 96832 British thermal units BTU Kilocalories kcal 1 16279 x 10 Kilowatts KW Kilowatts KW 3412 08 British thermal units BTU Kilowatts kW 859 828 Kilocalories kcal Millimeters mm 0 03937 Inches in Centimeters cm 0 3937 Inches in Meters m 39 369996 Inches in Meters m 3 280833 Feet ft Square meters m 10 76387 Square feet ft Cubic meters per minute m min 35 314445 Cubic feet per minute ft min Kilograms kg 2 2046 Pounds Ib Ton refrigerated 12 000 BTUs per hour BTU hr Degrees Fahrenheit F First subtract 32 then multiply C F 32 x 0 555556 Degrees Celsius C Degrees Celsius C First multiply then add 32 F C x 1 8 32 Degrees Fahrenheit F Degrees Fahrenheit per hour F hour 0 555555 Degrees Celsius per hour C hour Degrees Celsius per hour C hour 1 8 Units and Unit Conversions Degrees Fahrenheit per hour F hour A 1 Hitachi Universal Storage Platform V VM User and Reference Guide A 2 Units and Unit Conversions Hitachi Universal Storage Platform V VM User and Reference Guide ACP ASTM AVE Acronyms and Abbreviations
20. ACHE SIM FE DEVICE SIM FF MEDIA SIM Indicates SIM Figure 4 1 Typical SI M Showing Reference Code and SI M Type Troubleshooting 4 3 Hitachi Universal Storage Platform V VM User and Reference Guide Calling 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 error code s displayed on the Storage Navigator e The service information messages SIMs displayed on the Storage Navigator and the reference codes and severity levels of the recent SIMs The Hitachi Data Systems customer support staff is available 24 hours day seven days a week If you need technical support please call e United States 800 446 0744 e Outside the United States 858 547 4526 4 4 Troubleshooting Hitachi Universal Storage Platform V VM User and Reference Guide Units and Unit Conversions Table A 1 provides conversions for standard U S and metric units of measure associated with the Universal Storage Platform V VM storage systems Table A 1 Conversions for Standard U S and Metric Units of Measure British thermal units BTU 0 251996 Kilocalories kcal British thermal units BTU 0 000293018 Kilowatts kW Inches in 2 54000508 Centimeters cm Feet ft 0 304
21. Cache PCB blockade Mode 685 OFF Cache module group blockade is treated as Cache PCB blockade when the blocked part reaches 7596 of the Cache capacity Notes This mode must not be set to ON in the device containing only two Cache PCBs because the performance greatly degrades with the device where only two Cache PCBs are mounted since only one side of the cluster can be used due to the Cache PCB blockade Since the failure of a cache module group is treated as the failure of a cache PCB the unavailable cache capacity is the capacity of the entire PCB instead of that of the failed module group 689 TrueCopy and This option is used to prevent the initial copy operation when OFF MCU RCU TrueCopy for z OS the Write Pending rate on RCU exceeds 6096 Mode 689 ON The initial copy operation is prevented when the Write Pending rate on RCU exceeds 60 Mode 689 OFF The initial copy operation is not prevented when the Write Pending rate on RCU exceeds 6096 the same as before Notes This mode can be set online The micro programs on both MCU and RCU must support this mode This mode should be set per customer s requests fthe Write Pending status long keeps 6096 or more on RCU it takes extra time for the initial copy to be completed by making up for the prevented copy operation Functional and Operational Characteristics 3 17 Hitachi Universal Storage Platform V VM User and Reference Guide og 690 Universal Replicator
22. Copy processing requested is registered into a newly created queue so that the processing is scheduled with lower priority than host 1 0 Mode 704 OFF Copy processing requested is not registered into a newly created queue Only the existing queue is used Note If the PDEV is highly loaded the priority of Read Write processing made by SI VM CoW Shapshot Flash Copy or Resync may become lower As a consequence the copy speed may be slower Functional and Operational Characteristics OFF MCU RCU 3 19 Hitachi Universal Storage Platform V VM User and Reference Guide Table 3 2 Modes 503 and 269 Storage Navigator Operations Mode 269 Mode 503 Operation Target of Operation ON OFF ON Virtual LVI LUN CVS All LDEVs in a PG No format No format Virtual LVI LUN CVS Some LDEVs in a PG No format No format Format PG is specified No operation No operation Format All LDEVs in a PG Low speed Low speed Format Some LDEVs in a PG Low speed Low speed OFF Virtual LVI LUN CVS All LDEVs in a PG High speed Low speed Virtual LVI LUN CVS Some LDEVs in a PG Low speed Low speed Format PG is specified No operation No operation Format All LDEVs in a PG Low speed Low speed Format Some LDEVs in a PG Low speed Low speed Table 3 3 Modes 503 and 269 SVP Operations Mode 269 Mode 503 Operation Target of Operation ON OFF ON PDEV Addition High speed High sp
23. M storage system by concatenating multiple LUs to form individual large LUs Functional and Operational Characteristics Hitachi Universal Storage Platform V VM User and Reference Guide Battery Backup Operations Figure 3 6 illustrates the two types of backup operations backup mode and destage mode Backup Mode USP V and VM When backup mode is chosen and a power failure occurs storage system operations will continue normally for 200 milliseconds If the power failure exceeds 200 ms the storage system uses power from the batteries to back up the cache memory and shared memory for 36 hours or 48 hours depending on the amount of cache memory Destage Mode USP V only When destage mode is chosen and a power failure occurs storage system operations will continue normally for 1 minute If the power failure exceeds 1 minute the storage system uses power from the batteries to destage the data from cache memory onto the disk drives and back up the cache memory and shared memory for 18 hours or 24 hours depending on the amount of cache memory Destage mode requires the 56V battery option DKC F610l ABX Note Destage mode is not supported in the following cases When external storage is connected When Cache Residency Manager BIND mode is applied Battery Charge If the battery is not fully charged when a power failure occurs the backup processes are affected as follows Backup mode The backup time becomes short less
24. OTE LOCAL switch is set to LOCAL Applies to both storage clusters EMERGENCY LED This LED shows status of EPO switch on the rear door Red OFF Indicates that the EPO switch is off ON Indicates that the EPO switch is on Architecture and Components Hitachi Universal Storage Platform V VM User and Reference Guide Emergency Power Off Switch Figure 2 6 shows the location of the emergency power off EPO switch on the USP V top right corner of the back side of controller frame Figure 2 7 shows the location of the EPO switch on the USP VM next to the control panel on the primary rack Use the EPO switch only in case of an emergency To power off the USP V VM storage system in case of an emergency pull the EPO switch up and then out towards you as illustrated on the switch The EPO switch must be reset by service personnel before the storage system can be powered on again REAR VIEW OF CONTROLLER FRAME EMERGENCY UNIT EMERGENCY POWER OFF Figure 2 6 Location of EPO Switch on the USP V FRONT VIEW OF PRIMARY RACK EMERGENCY UNIT EMERGENCY POWER OFF Figure 2 7 Location of EPO Switch on the USP VM Architecture and Components 2 15 Hitachi Universal Storage Platform V VM User and Reference Guide Intermix Configurations RAI D Level I ntermix RAID technology provides full fault tolerance capability for the disk drives of the Universal Storage Platform V VM The ca
25. STEM LED When lit indicates that low DC voltage high DC current abnormally ALARM Red high temperature or a failure has occurred Applies to both storage clusters SUBSYSTEM LED On Indicates that a SIM Message was generated from either of the MESSAGE Amber clusters Applied to both storage clusters Blinking Indicates that the SVP failure has occurred SUBSYSTEM Switch Used to un fence a fenced drive path and to release the Write Inhibit RESTART command Applies to both storage clusters REMOTE LED When lit indicates that remote maintenance activity is in process If MAINTENANCE Amber remote maintenance is not in use this LED is not lit Applies to both PROCESSING storage clusters REMOTE Switch Used for remote maintenance While executing remote maintenance MAINTENANCE the REMOTE MAINTENANCE PROCESSING LED in item 5 is blinking ENABLE DISABLE when switching from ENABLE to DISABLE remote maintenance is interrupted If the remote maintenance function is not used this switch is ineffective Applies to both storage clusters BS ON LED Indicates input power is available Amber PS ON LED Indicates that storage system is powered on Green Applies to both storage clusters PS SW ENABLE Switch Used to enable the PS ON PS OFF switch To be enabling the PS ON PS OFF switch turn the PS SW ENABLE switch to the ENABLE position PS ON PS OFF Switch Used to power storage system on off This switch is valid when the PS REM
26. V is mapped to a SCSI address so that it has a TID and logical unit number LUN Functional and Operational Characteristics 3 3 Hitachi Universal Storage Platform V VM User and Reference Guide RAID 5 using 3D 1P and 3390 x LDEVs Track 0 Track 8 Track 16 Parity to to to mads Track 7 Track 15 Track 23 Track 32 Track 40 to to Track 39 Track 47 next Parity next next 8 Track 8 8 tracks fac tracks tracks next 8 tracks next next 8 8 tracks tracks Figure 3 2 Sample RAI D 5 3D 1P Layout Data Plus Parity Stripe RAI D 6 A RAID 6 array group consists of eight 6D 2P disk drives The data is written across the eight disk drives in a stripe that has six data chunks and two parity chunks Each chunk contains either eight logical tracks mainframe or 768 logical blocks open In the case of RAID 6 data can be assured when up to two drives in an array group fail Therefore RAID 6 is the most reliable of the RAID levels Sequential Data Striping The Universal Storage Platform V s enhanced RAID 5 implementation attempts to keep write data in cache until parity can be generated without referencing old parity or data This capability to write entire data stripes which is usually achieved only in sequential processing environments minimizes the write penalty incurred by standard RAID 5 implementations The device data and parity tracks are mapped to specific ph
27. VIs or LUs into multiple MK 96RD630 smaller volumes to improve data access performance Hitachi Cache Residency Allows users to lock and unlock data into cache in real time to MK 96RD609 Manager optimize access to your most frequently accessed data Hitachi Compatible PAV Enables the mainframe host to issue multiple O requests in parallel MK 96RD608 to single LDEVs in the USP V VM Compatible PAV provides compatibility with the IBM Workload Manager WLM host software function and supports both static and dynamic PAV functionality Hitachi LUN Security Allows users to restrict host access to data on the USP V VM Open MK 96RD615 Hitachi Volume Security system users can restrict host access to LUs based on the host s world MK 96RD628 wide name WWN Mainframe users can restrict host access to LVIs based on node IDs and logical partition LPAR numbers Hitachi Database Validator Prevents corrupted data environments by identifying and rejecting MK 96RD611 corrupted data blocks before they are written onto the storage disk thus minimizing risk and potential costs in backup restore and recovery operations Hitachi Data Retention Utility Allows users to protect data from I O operations performed by hosts MK 96RD612 Hitachi Volume Retention Users can assign an access attribute to each logical volume to restrict MK 96RD627 Manager read and or write operations preventing unauthorized access to data Hitachi Performance Monitor Performs det
28. able 2 3 e Updated the list of public system option modes Table 3 1 Added the following new modes 545 685 689 690 697 701 704 Modified the description of mode 467 as follows e Changed the d e Added Univers efault from OFF to ON al Volume Manager to the list of affected functions e Added a caution about setting mode 467 ON when using external volumes as secondary copy volumes e Added a note about copy processing time and the prioritization of host I O performance Removed mode 198 Document Organization The following table provides an overview of the contents and organization of this document Click the The first page of each ch Chapter Product Overview chapter title in the left column to go to that chapter apter provides links to the sections in that chapter Description Provides an overview of the Universal Storage Platform V VM including features benefits general function and connectivity descriptions Architecture and Components Describes the Universal Storage Platform V VM architecture and components Functional and Operational Characteristics Discusses the functional and operational capabilities of the Universal Storage Platform V VM Troubleshooting Provides troubleshooting guidelines and customer support contact information for the Universal Storage Platform V VM Units and Unit Conversions Provides conversions for standard U S and metric u
29. age capacities 2 11 Hierarchical Star Network 2 3 l intermix virtual Ivi lun 2 17 J Java applet 3 9 L LDEV mapping scsi address 3 3 LU types 3 8 M mainframe Ivi supported types 3 7 multiple LUs concatenate 3 8 P parity data 3 2 groups 3 2 paths data and command 2 3 power supply 2 12 R RAI D 5 array group 3 3 RAI D 6 array group 3 4 Red Hat Linux 3 22 I ndex 1 Hitachi Universal Storage Platform V VM User and Reference Guide S scrubbing background 2 11 service processor 2 11 shared memory nonvolatile 2 6 single points of failure 2 4 spare disk drives max qty 2 11 storage clusters 2 4 U USP advanced features and functions 1 8 USP hardware architecture 2 5 WwW write penalty 3 4 Index 2 Index Hitachi Universal Storage Platform V VM User and Reference Guide Hitachi Universal Storage Platform V VM User and Reference 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 n aes ee Be dh en Se MK 96RD635 04
30. ailed monitoring of storage system and volume activity MK 96RD617 Hitachi Volume Migration Performs automatic relocation of volumes to optimize performance MK 96RD617 Hitachi Server Priority Allows open system users to designate prioritized ports for example MK 96RD617 Manager for production servers and non prioritized ports for example for development servers and set thresholds and upper limits for the I O activity of these ports Volume Shredder Enables users to overwrite data on logical volumes with dummy data MK 96RD630 Please contact your Hitachi Data Systems account team for the latest information on the availability of these features 1 10 Product Overview Hitachi Universal Storage Platform V VM User and Reference Guide Table 1 4 Host Server Based Software Oe o a O O INN Hitachi Command Control Interface Enables open system users to perform data replication and data protection operations by issuing commands from the host to the Hitachi storage systems The CCI software supports scripting and provides failover and mutual hot standby functionality in cooperation with host failover products User and Reference Guide MK 90RD011 Hitachi Cross OS File Exchange Hitachi Code Converter Enables users to transfer data between mainframe and open system platforms using the FICON and or ESCON channels for high speed data transfer without requiring network communication links or tape User
31. al partition and cache logical partition MK 96RD629 Manager Storage logical partition allows you to divide the available storage among various users to reduce conflicts over usage Cache logical partition allows you to divide the cache into multiple virtual cache memories to reduce I O contention Hitachi LUN Manager Enables users to configure the fibre channel ports and devices LUs MK 96RD615 for operational environments for example arbitrated loop and fabric topologies host failover support Hitachi SNMP Agent Provides support for SNMP monitoring and management Includes MK 96RD620 Hitachi specific MIBs and enables SNMP based reporting on status and alerts SNMP agent on the SVP gathers usage and error information and transfers the information to the SNMP manager on the host Audit Log Provides detailed records of all operations performed using Storage MK 96RD606 Navigator and the SVP Product Overview 1 9 Hitachi Universal Storage Platform V VM User and Reference Guide Encrypted Communications Allows users to employ SSL encrypted communications with the MK 96RD631 Hitachi Universal Storage Platform V VM Hitachi LUN Expansion Allows open system users to concatenate multiple LUs into single LUs MK 96RD616 to enable open system hosts to access the data on the entire Universal Storage Platform V VM using fewer logical units Hitachi Virtual LVI LUN Enables users to convert single volumes L
32. and Universal Replicator for z OS This option is used to prevent Read J NL or J NL Restore when the Write Pending rate on RCU exceeds 60 as follows When CLPR of J NL Volume exceeds 60 Read J NL is prevented When CLPR of Data secondary Volume exceeds 60 JNL Restore is prevented Mode 690 ON Read JNL or JNL Restore is prevented when the Write Pending rate on RCU exceeds 6096 Mode 690 OFF Read JNL or JNL Restore is not prevented when the Write Pending rate on RCU exceeds 6096 the same as before Notes This mode can be set online This mode should be set per customer s requests fthe Write Pending status long keeps 6096 or more on RCU it takes extra time for the initial copy to be completed by making up for the prevented copy operation fthe Write Pending status long keeps 6096 or more on RCU the pair status may become Suspend due to the JNL Vol being full OFF MCU RCU RCU 697 TrueCopy Async TrueCopy for z OS Async Shadowl mage Shadowl mage for z OS This option prevents the SI Split command execution when the coordinated TCA pair status is Suspend and its Consistency state is not guaranteed Mode 697 ON SI Split is not executed when the coordinated TCA pair status is Suspend and its Consistency state is not guaranteed Mode 697 OFF SI Split is executed regardless of the pair status or Consistency state of the coordinated TCA Note This option should be app
33. and Functionality ccccccccscecsecseeeeeeeeeeeeeeeness 3 22 Mainframe Operating System SUDDOTL sceosvcss vecors acce onec e ei an RR cobi 3 22 Mainframe Configuration cuc eo ota code o eod o ia odo ax DEP DEO ADU REN ox be ao vei aed 3 23 Opern Systems Operations sexecinsvendecen lesser es ene ied pedore P bac acdes ex 3 24 Open Systems Compatibility and Functionality eene 3 24 Open Systems Host Platform SUpport uides porcos caprae ter cu Ee daa re Ebr area ura ndh 3 25 Open 5ystems CO NMG GUO ai ur cua essa aad onera la iets vede erc ies dera edat 3 26 Battery Backup ODeratlolis suce tecceciee park e wr vo test vx x e ark Ys rr Ser DER EO Sada E aV RO p RARE 3 27 TT i NN oeenn quens aed yanldiaa ep Ua aa acqui a dipped E SCC sc 4 1 General TrouDlesliDOLitus uoscsd eon cto esr oae inienn Rota Does PA Va oa ha n Fe noun Pu HORA 4 2 service Information Messages i exyevxin i tesocexida sabe eres oed d oc one eee annie 4 3 Calling the Hitachi Data Systems Support Center sseen 4 4 iv Contents Hitachi Universal Storage Platform V VM User and Reference Guide Units and bp E Y E a RT RT Acronyms and Abbreviations Index Contents Hitachi Universal Storage Platform V VM User and Reference Guide vi Contents Hitachi Universal Storage Platform V VM User and Reference Guide Preface This document describes the physical functional and operational characteristics of the Hitachi Universal
34. ata 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 Shadowl mage TrueCopy 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 User and Reference Guide Contents iO RTT RR NR Ree vii Safety and Environmental MOLCBS arcu quaere ree rr CU ki EIU E tee a acero ic viii Intended Audience RR ix Prod ct Versio c ix Document Revision Level ucesucuuu iof dccus Macc occid Dur anaes Fat eccl ren ix Source Document s for this REVISION Leesee tenaci o rrt eni brew ER or d Cei Fac P ED eon ix Changes Thi this RVISIOTTI sanas brrk ex Di awe da ra d cedar eic neis cec abe p ida X Document Organization ME D D o D DO TO ITE X Referenced DOCHITIBIILS isieincs ic ctceinten Feb ER Ee EXIA ERIS Ue iudadi ten gbwi duis awe D icu VE reet en xi etn x 7 14 e Em xii Convention for Storage Capacity Values eere eet ener rr hene e nena xii ead ur ace stead EAEE VRAE Ea EEA xiii dui xiii Product D 4 c PRORSUS 1 1 Universal Storage Platform V Family isessesveis uxeeke vesv deer vbcecidu
35. attribute issue the OLS 100 ms first and then reset the Chip Mode 292 OFF When switching the port attribute reset the Chip without issuing the OLS MCU RCU 305 Mainframe Pre labeling Pre label is added via SVP as tentative volume OFF serial name into logical device formatting 313 Open OPEN V Geometry OFF For OPEN V and setting Host Mode Option 16 ON or System Option Mode 313 ON the same geometry shared by USP V and USP NSC can be responded to the host When changing Mode 313 or Host Mode Option 16 the connecting server should be powered off Caution Host offline Required 316 Open Auto Negotiation in fixed speed OFF If signal synchronizing has been unmatched for 2 6 seconds during Auto Negotiation the fixed speed can be set as follows Mode 316 ON 1 Gbps Mode 316 OFF 2 Gbps The mode should be set when a fixed speed of Auto Negotiation is needed though the transfer speed may slow down The mode is available for CHT PCB Functional and Operational Characteristics Hitachi Universal Storage Platform V VM User and Reference Guide 3 11 Sg MCU RCU 346 Open If an HBA containing HP WWN being connected the LUN OFF Security function is operational by setting system option mode 346 Mode 346 ON LUN Security is operational without host mode setting restriction Mode 346 OFF LUN Security is operational only when host mode 03 is s
36. che Manager Enables users to perform Cache Residency Manager operations from the mainframe host system Cache Residency Manager allows you to place specific data in cache memory to enable virtually immediate access to this data User s Guide MK 96RD646 Hitachi Dataset Replication for z OS 1 12 Operates together with the Shadowl mage feature Rewrites the OS management information VTOC VVDS and VTOCIX and dataset name and creates a user catalog for a Shadowlmage target volume after a split operation Provides the prepare volume divide volume unify and volume backup functions to enable use of a Shadowl mage target volume Product Overview User s Guide MK 96RD648 Hitachi Universal Storage Platform V VM User and Reference Guide Architecture and Components This chapter describes the architecture and components of the Hitachi Universal Storage Platform V and VM storage systems O Hardware Architecture O Hardware Components O Control Panel and Emergency Power Off Switch O Intermix Configurations Architecture and Components 2 1 Hitachi Universal Storage Platform V VM User and Reference Guide Hardware Architecture Figure 2 1 illustrates the hardware architecture of the Universal Storage Platform V storage system Figure 2 2 illustrates the hardware architecture of the Universal Storage Platform VM storage system As shown the USP V and USP VM share the same hardware architecture differin
37. che management algorithms enable the USP V to stage up to one full RAID stripe of data into cache ahead of the current access to allow subsequent access to be satisfied from cache at host channel transfer speeds The Universal Storage Platform V supports RAI D 1 RAID 5 RAID 6 and intermixed RAID level configurations including intermixed array groups within an array domain Figure 2 8 illustrates an intermix of RAID levels All types of array groups RAID 5 3D 1P 7D 1P RAID 1 2D 2D 4D 4D RAID 6 6D 2P can be intermixed under one BED pair 1st 3rd 5th or 7th BED Pair 2nd 4th 6th or 8th BED Pair Figure 2 8 2 16 RAID group 2D 2D RAID group 3D 1P RAID group 7D 1P 6D 2P pou 46 E 47 NES ENS 4 4 4 4 7 7 tar Va i i AAAA Cs iL 46 47 X ANE NI e a FV lt va 47 RV KV U s Lar RAID group 3D 1P RAID group 4D 4D Sample RAID Level I ntermix Architecture and Components RAID group 4D 4D Hitachi Universal Storage Platform V VM User and Reference Guide Hard Disk Drive I ntermix All hard disk drives HDDs in one array group parity group must be of the same capacity and type Different HDD types can be attached to the same BED pair All HDDs under a single BED pair must operate at the same data transfer rate
38. ckground in data processing and understands RAID storage systems and their basic functions e The user is familiar with the host systems supported by the Hitachi Universal Storage Platform V VM e The user is familiar with the equipment used to connect RAID storage systems to the supported host systems Product Version This document revision applies to USP V VM microcode 60 02 4x and higher Document Revision Level Cea I NN MK 96RD635 P February 2007 Preliminary Release MK 96RD635 00 May 2007 Initial Release supersedes and replaces MK 96RD635 P MK 96RD635 01 June 2007 Revision 1 supersedes and replaces MK 96RD635 00 MK 96RD635 02 September 2007 Revision 2 supersedes and replaces MK 96RD635 01 MK 96RD635 03 November 2007 Revision 3 supersedes and replaces MK 96RD635 02 MK 96RD635 04 April 2008 Revision 4 supersedes and replaces MK 96RD635 03 Source Document s for this Revision e Exhibit M1 DKC610l Disk Subsystem Hardware Specifications revision 13 e Exhibit M1 DKC615I Disk Subsystem Hardware Specifications revision 5 e Public Mode for RAID600 R600 Public Mode 2008 0314 xls Preface ix Hitachi Universal Storage Platform V VM User and Reference Guide Changes in this Revision e Added the 400 GB disk drive Specifications at a Glance Hard Disk Drives e Updated the maximum usable capacity values Specifications at a Glance e Added a table of specifications for the disk drives new T
39. cy Power Off Switch sess nnne nnne nnn nnn nns 2 15 Intermix CORTIQUEGEIOTIS a oer ertet x prid ern urob dein aro rere n rebbre bd nr i pera reb eni 2 16 PANDAS Vel HatGrmlXussuiidcaniec uteris eco di dete neca em drin ce 2 16 Hard Disk Drive REY AUK esos sosasc tiec RAE Op Ru PER dpa CHO eria o bn EP E i 2 17 Device Emulation LabertfilX suoni tors erben deren er ten Na maed 2 17 Functional and Operational Characteristics sene 3 1 RAID Implementation s c ue necerais ario nike conor exar abel eg REN VER n E ra a re 3 2 Array Groups and RAID Levels sesssseee enm 3 2 Sequential Data Striping ec corrirrkidacerkr ote nr zo FC ennt pr rA notre rV Tonic vea veas 3 4 EDEV Striping Across Array Groups i assevceneeecon ionic edens iac bec n verb oce decas 3 5 cU Imag s EVIS and RU m 3 7 e Nol f aea E EE E E E EET T E 3 7 Logical Volume Mas sectionis cistniteadenicwbiteacandaulendlivacibaicaeicanintdnetes 3 7 Wurst cm H 3 8 Storage Navigator ess eo eO Rb eis coron eadcm tr ig eue cede an eua e es RU RARO Fera ERN od 3 9 System Option Modes Host Modes and Host Mode Options ssssssse 3 10 sy cranE8leueiro ccscceeitecsnvaatinedtnoeiecnedeaevebceaectiecel acsancaedianvedetes 3 10 Host Modes and Host Mode Options eseeeeen m 3 21 Mainframe OBS BIDS cote erertr est Cg ctore Fugo d eFe rav Ure rne rege Ea Vo ERE Ede ti rw 3 22 Mainframe Compatibility
40. does not have any common buses thus eliminating the performance degradation and contention that can occur in bus architecture All data stored on the USP V VM is moved into and out of cache over the redundant high speed paths Architecture and Components 2 3 Hitachi Universal Storage Platform V VM User and Reference Guide Storage Clusters 2 4 Each controller consists of two redundant controller halves called storage clusters Each storage cluster contains all physical and logical elements for example power supplies channel adapters disk adapters cache control storage needed to sustain processing within the storage system Both storage clusters should be connected to each host using an alternate path scheme so that if one storage cluster fails the other storage cluster can continue processing for the entire storage system The front end and back end directors are split between clusters to provide full backup Each storage cluster also contains a separate duplicate copy of cache and shared memory contents In addition to the high level redundancy that this type of storage clustering provides many of the individual components within each storage cluster contain redundant circuits paths and or processors to allow the storage cluster to remain operational even with multiple component failures Each storage cluster is powered by its own set of power supplies which can provide power for the entire storage system in the event of po
41. drives per system minimum maximum 1 16 Internal Raw Capacity Minimum 73 GB disks 0 GB 146 GB Maximum 750 GB disks 177 TB Product Overview Hitachi Universal Storage Platform V VM User and Reference Guide Controller Maximum Usable Capacity RAI D 5 Open systems 750 GB disks 144 7 TB Mainframe 400 GB disks 73 3 TB Maximum Usable Capacity RAI D 6 Open systems 750 GB disks 124 TB Mainframe 400 GB disks 62 4 TB Maximum Usable Capacity RAI D 1 4 Open systems 750 GB disks 87 1 TB Mainframe 400 GB disks 42 7 TB External Storage Support Maximum internal and external capacity 96 PB Virtual Storage Machines 8 Standard Back End Director 1 Operating System Support Mainframe IBM 0S 390 MVS ESA MVS XA VM ESA VSE ESA z OS z OS e z VM ZVSE Fujitsu MSP Red Hat Linux for IBM S 390 and zSeries Open Systems Sun Solaris HP UX IBM AIX Microsoft Windows Novell NetWare Red Hat and SuSE Linux VMWare ESX HP Tru64 HP OpenVMS Product Overview Hitachi Universal Storage Platform V VM User and Reference Guide Software Products 1 8 The Universal Storage Platform V and VM provide many advanced features and functions that increase data accessibility and deliver enterprise wide coverage of online data copy relocation data access protection and storage resource management Hitach
42. dual ported fibre channel disk drive is connected through its two ports to each board in a BED pair over separate physical paths for improved performance as well as redundancy Table 2 2 lists the BED specifications Each BED pair contains eight buffers one per fibre path that support data transfer to and from cache Each dual ported disk drive can transfer data over either port Each of the two paths shared by the disk drive is connected to a separate board in the BED pair to provide alternate path capability Each BED pair is capable of eight simultaneous data transfers to or from the HDDs Table 2 2 BED Specifications Number of back end director features USPV 1 8 USP VM 1 Back end paths per BED feature 8 Back end paths per storage system USP V 8 64 USP VM 8 Back end array interface type Fibre channel arbitrated loop FC AL Back end interface transfer rate burst rate 400 MB sec 4 Gbps Maximum concurrent back end operations per BED feature 8 Maximum concurrent back end operations per storage system USP V 64 USP VM 8 Back end data bandwidth USP V 68 GB sec USP VM 8 5 GB sec Architecture and Components 2 9 Hitachi Universal Storage Platform V VM User and Reference Guide Figure 2 3 illustrates a conceptual array domain All functions paths and disk drives controlled by one BED pair are called an array domain An array domain can contain a variety of LVI and or LU configurations
43. eed Virtual LVI LUN CVS All LDEVs in a PG No format No format Virtual LVI LUN CVS Some LDEVs in a PG No format No format Format PG is specified High speed High speed Format All LDEVs in a PG High speed Low speed Format Some LDEVs in a PG Low speed Low speed OFF PDEV Addition High speed High speed Virtual LVI LUN CVS All LDEVs in a PG High speed Low speed Virtual LVI LUN CVS Some LDEVs in a PG Low speed Low speed Format PG is specified High speed High speed Format All LDEVs in a PG High speed Low speed Format Some LDEVs in a PG Low speed Low speed Hitachi Universal Storage Platform V VM User and Reference Guide Functional and Operational Characteristics Host Modes and Host Mode Options The Universal Storage Platform V VM supports connection of multiple server hosts of different platforms to each of its ports When your system is configured the hosts connected to each port are grouped by host group or by target For example if Solaris and Windows hosts are connected to a fibre port a host group is created for the Solaris hosts another host group is created for the Windows hosts and the appropriate host mode and host mode options are assigned to each host group The host modes and host mode options provide enhanced compatibility with supported platforms and environments The host groups host modes and host mode options are configured using the LUN Manager software on Storage Navigator For further info
44. eface Hitachi Universal Storage Platform V VM User and Reference Guide Getting Help 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 message s displayed on the host system s e The exact content of any message s displayed by Storage Navigator 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 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 xiii Hitachi Universal Storage Platform V VM User and Reference Guide xiv Preface Hitachi Universal Storage Platform V VM User and Reference Guide Product Overview This chapter provides an overview of the Univer
45. es 1 TB 1 000 bytes Each disk drive can be replaced non disruptively on site The USP V VM utilizes diagnostic techniques and background dynamic scrubbing that detect and correct disk errors Dynamic sparing is invoked automatically if needed For an array group of any RAID level any spare disk drive can back up any other disk drive of the same rotation speed and the same or lower capacity anywhere in the storage system even if the failed disk and the spare disk are in different array domains attached to different BED pairs The USP V VM can be configured with up to 16 spare disk drives The standard configuration provides one spare drive for each type of drive installed in the storage system The Hi Track monitoring and reporting tool detects disk failures and notifies the Hitachi Data Systems Support Center automatically and a service representative is sent to replace the disk drive Note The spare disk drives are used only as replacements and are not included in the storage capacity ratings of the storage system Service Processor The Universal Storage Platform V VM includes a built in custom PC called the service processor SVP The SVP is integrated into the controller and can only be used by authorized Hitachi Data Systems personnel The SVP enables the Hitachi Data Systems representative to configure maintain service and upgrade the storage system The SVP also provides the Storage Navigator functionality and it collects per
46. et to ON Note For a new storage system system option mode 346 ON can be set as the default setting Caution For a storage system in use you must shut down the server in order to set mode 346 ON in this HBA configuration 1 Shut down the server 2 Set mode 346 to ON 3 Power on the server 4 Check whether any problems exist 448 Universal Mode 448 ON Enabled If the SVP detects a blocked path OFF Replicator the SVP assumes that an error occurred and immediately splits Universal suspends the mirror Replicator for z OS Mode 448 OFF Disabled If the SVP detects a blocked path and the path does not recover within the specified period of time the SVP assumes that an error occurred and splits suspends the mirror Note The mode 448 setting takes effect only when mode 449 is set to OFF 449 Universal Detecting and monitoring path blockade between MCU and RCU OFF Replicator of UR URz Universal Mode 449 ON Detecting and monitoring of path blockade will Replicator for z OS NOT be performed Mode 449 OFF Detecting and monitoring of the path blockade will be performed 454 Virtual Partition When making a destage schedule for CLPRs using the average OFF Manager workload of all the CLPRs or the highest workload of those of the CLPRs can be optional Mode 454 ON The average workload of all the CLPRs is used to make the destage schedule Mode 454 OFF The highest workload of those of the CLPRs is used t
47. formance data for the key components of the USP V VM to enable diagnostic testing and analysis The SVP is connected with a service center for remote maintenance of the storage system Note The SVP does not have access to any user data stored on the Universal Storage Platform V VM Architecture and Components 2 11 Hitachi Universal Storage Platform V VM User and Reference Guide Power Supplies Each storage cluster is powered by its own set of redundant power supplies and each power supply is able to provide power for the entire system if necessary Because of this redundancy the Universal Storage Platform V VM can sustain the loss of multiple power supplies and still continue to operate To make use of this capability the USP V VM should be connected either to dual power sources or to different power panels so if there is a failure on one of the power sources the USP V VM can continue full operations using power from the alternate source The AC power supplied to the USP V VM is converted by the AC DC power supply to supply 56V 12V DC power to all storage system components Each component has its own DC DC converter to generate the necessary voltage from the 56V 12V DC power that is supplied Batteries 2 12 The Universal Storage Platform V VM uses nickel hydrogen batteries to provide backup power for the control and operational components cache memory shared memory FEDs BEDs as well as the hard disk drives The configurati
48. g only in number of features FEDs BEDs etc number of hard disk drives HDDs and power supply Channel Interface Cache Path pen LL ral I AC Box Power H Supply La Battery Box ie Disk Unit Max 1 152 HDDs per storage system Figure 2 1 Universal Storage Platform V Hardware Architecture 2 2 Architecture and Components Hitachi Universal Storage Platform V VM User and Reference Guide Channel Interface Power Supply Controller SM Path SMA Input Power DKA CHA Battery Box Cache Path Input Power Supply DKA Power FC AL 4 Gbps port 4 D PDU maRRERRERRRRERM LI Disk Unit Max 240 HDDs per storage system Figure 2 2 Universal Storage Platform VM Hardware Architecture Multiple Data and Control Paths The Universal Storage Platform V VM employs the proven Hi Star crossbar switch architecture which uses multiple point to point data and command paths to provide redundancy and improve performance Each data and command path is independent The individual paths between the front end or back end directors and cache are steered by high speed cache switch cards CSWs The USP V VM
49. hared Memory Boards 8 Board capacity 4 GB Maximum 32 GB Front End Directors Connectivity Boards 14 Fibre channel host ports per board 8 or 16 Maximum fibre channel host ports 224 Virtual host ports 1 024 per physical port Maximum FICON host ports 112 Maximum ESCON host ports 112 Logical Devices LDEVs Maximum Supported Open systems 65 536 Mainframe 65 536 Hard Disk Drives Type fibre channel 73 GB 146 GB 300 GB 400 GB 750 GB Number of drives minimum maximum 4 1152 Spare drives per system minimum maximum 1 16 Product Overview Hitachi Universal Storage Platform V VM User and Reference Guide Internal Raw Capacity Minimum 73 GB disks 82 TB Maximum 750 GB disks 850 8 TB Maximum Usable Capacity RAI D 5 Open systems 750 GB disks 739 3 TB Mainframe 400 GB disks 374 3 TB Maximum Usable Capacity RAI D 6 Open systems 750 GB disks 633 7 TB Mainframe 400 GB disks 318 5 TB Maximum Usable Capacity RAI D 14 Open systems 750 GB disks 423 9 TB Mainframe 400 GB disks 207 7 TB External Storage Support Maximum internal and external capacity 247 PB Virtual Storage Machines 32 Standard Back End Directors 1 8 Operating System Support Mainframe IBM OS 390 MVS ESA MVS XA VM ESA VSE ESA z OS z OS e z VM ZVSE Fujitsu MSP
50. he instruction manual may cause harmful interference to radio communications Operation of this equipment ina residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense EINE LEICHT ZUGANGLICHE TRENN VORRI CHTUNG MIT EINER KONTAKT OFFNUNGSWEI TE VON MINDESTENS 3mm IST IN DER UNMITTELBAREN NAHE DER VERBRAUCHERANLAGE ANZUORDNEN 4 POLIGE ABSCHALTUNG Maschinenlarminformationsverordnung 3 GSGV 18 01 1991 Der h chste Schalldruckpegel betr gt 70 db A oder weniger gem ISO 7779 CLASS 1 LASER PRODUCT CLASS 1 LASER PRODUCT LASER KLASSE 1 WARNI NG This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures WARNUNG Dies ist ein Produkt der Klasse A In nichtgewerblichen Umgebungen k nnen von dem Gerat Funkst rungen ausgehen zu deren Beseitigung vom Benutzer geeignete Ma nahmen zu ergreifen sind Preface Hitachi Universal Storage Platform V VM User and Reference Guide Intended Audience This document is intended for system administrators Hitachi Data Systems representatives and authorized service providers who are involved in installing configuring and operating the Hitachi Universal Storage Platform V and or Hitachi Universal Storage Platform VM storage systems This document assumes the following e The user has a ba
51. i Data Systems software products and solutions provide a full set of industry leading copy availability resource management and exchange software to support business continuity database backup and restore application testing and data mining Table 1 3 lists and describes the Storage Navigator based software for the Universal Storage Platform V and VM Table 1 4 lists and describes the host server based software for the Universal Storage Platform V and VM NEW Hitachi Dynamic Provisioning Hitachi Dynamic Provisioning is a new and advanced thin provisioning software product for the Universal Storage Platform V VM that provides virtual storage capacity to simplify administration and addition of storage eliminate application service interruptions and reduce costs Dynamic Provisioning allows storage to be allocated to an application without being physically mapped until it is used This just in time provisioning de couples the provisioning of storage to an application from the physical addition of storage capacity to the storage system to achieve overall higher rates of storage utilization Dynamic Provisioning also transparently spreads many individual I O workloads across multiple physical disks This I O workload balancing feature directly reduces performance and capacity management expenses by eliminating I O bottlenecks across multiple applications For further information on Hitachi Dynamic Provisioning please contac
52. i Universal Storage Platform V VM User and Reference Guide Mainframe Configuration After physical installation of the Universal Storage Platform V or VM storage system has been completed the user configures the storage system for mainframe operations with assistance as needed from the Hitachi Data Systems representative Please refer to the following user documents for information and instructions on configuring your USP V VM storage system for mainframe operations The Mainframe Host Attachment and Operations Guide MK 96RD645 describes and provides instructions for configuring the USP V VM for mainframe operations including FICON and ESCON attachment hardware definition cache operations and device operations For detailed information on FICON connectivity FICON Open intermix configurations and supported HBAs switches and directors for the USP V and VM please contact your Hitachi Data Systems account team The Storage Navigator User s Guide MK 96RD621 provides instructions for installing configuring and using Storage Navigator to perform resource and data management operations on the USP V VM storage system s The Virtual LVI LUN and Volume Shredder User s Guide MK 96RD630 provides instructions for converting single volumes LVIs into multiple smaller volumes to improve data access performance Functional and Operational Characteristics 3 23 Hitachi Universal Storage Platform V VM User and Reference Guide Open
53. istics Hitachi Universal Storage Platform V VM User and Reference Guide Troubleshooting This chapter provides basic troubleshooting information for the Universal Storage Platform V VM and instructions for calling technical support O General Troubleshooting O Service Information Messages O Calling the Hitachi Data Systems Support Center Troubleshooting 4 1 Hitachi Universal Storage Platform V VM User and Reference Guide General Troubleshooting The Hitachi Universal Storage Platform V and VM storage systems are not expected to fail in any way that would prevent access to user data The READY LED on the control panel must be ON when the storage system is operating online Table 4 1 lists potential error conditions and provides recommended actions for resolving each condition If you are unable to resolve an error condition contact your Hitachi Data Systems representative or call the Hitachi Data Systems Support Center for assistance Table 4 1 Troubleshooting Error message Determine the type of error refer to the SIM codes section If possible displayed remove the cause of the error If you cannot correct the error condition call the Hitachi Data Systems Support Center for assistance General power failure Call the Hitachi Data Systems Support Center for assistance WARNING Do not open the Universal Storage Platform V control frame or touch any of the controls Fence message is Determine if there is a
54. ity groups 3D 1P of the raw capacity is available to store user data and of the raw capacity is used for parity data RAI D 1 Figure 3 1 illustrates a sample RAID 1 2D 2D layout A RAID 1 2D 2D array group consists of two pair of disk drives in a mirrored configuration regardless of disk drive capacity A RAID 1 4D 4D group combines two RAID 1 2D 2D groups Data is striped to two drives and mirrored to the other two drives The stripe consists of two data chunks The primary and secondary stripes are toggled back and forth across the physical disk drives for high performance Each data chunk consists of either eight logical tracks mainframe or 768 logical blocks open systems A failure in a drive causes the corresponding mirrored drive to take over for the failed drive Although the RAID 5 implementation is appropriate for many applications the RAID 1 option on the USP V is ideal for workloads with low cache hit ratios Note for RAID 1 4D 4D It is recommended that both RAID 1 groups within a RAID 1 4D 4D group be configured under the same BED pair 3 2 Functional and Operational Characteristics Hitachi Universal Storage Platform V VM User and Reference Guide RAID 1 using 2D 2D and 3390 x LDEVs Track 8 to Track 15 Track 0 to Track 7 Track 16 Track 24 to to Track 23 Track 31 Track 40 to Track 47 Track 32 to Track 39 Track 48 Track 56 to to Track 55 Track 63 Figure 3 1 Sample RAI D 1
55. ks Pra Egan E e Pec tes 1 2 New and Improved Capabilities uacricckrie erre rep ES eH RX En ek En Ee QC rH HR REFEER VE EEK ernennen 1 3 Specifications at a Glance coii eod eset Pie ida es d rcbaa socis icit an AVI CHRUO Val e eS RR 1 4 Specifications for the Universal Storage Platform V sseeeeee 1 4 Specifications for the Universal Storage Platform VM seen 1 6 Software d q91 Uo cT rm 1 8 Architecture and COompaiglile cusa tuos duce na uan E RE n ip peg du a oerte a bae EhER 2 1 Hardware ATIS UTR esre rk P COP X EERUY NRSS D ENS XE CIR ERI da Kd Celi aU rig 2 2 Multiple Data and Control PatTis ease kkek Rape Fer PE E er pe EF rea rares 2 3 Storage CUS Galo PN 2 4 Hardware Combolefila cse eebeue cnr Gern PUER ET Cete OPERS RA EUREN E ER uH Dvp Eod GR on dace eed 2 5 Sliared MBITIGEV i aee iete eg iiaeia E E SUDORE REO IQ br daa aude pega uq e A RE Ta oin VAN 2 6 Ea Aui T 2 6 Front End Directors and Host Channels see 2 7 Contents iii Hitachi Universal Storage Platform V VM User and Reference Guide Back End Directors and Array DOMAINS irent terrena terrena 2 9 Hard Disk PU MERE ORO HOODIE m ait 2 11 DEVICE PIOCESSON gc w 2 11 Power Supplies isc T 2 12 icm P E 2 12 Control Panel and Emergency Power Off Switch ssseee 2 13 Control Panel 2 13 Emergen
56. lied only to prevent SI Split when the following conditions 1 and 2 or 1 and 3 are met 1 TCA S VOL and SI P VOL coexist for either mainframe or open 2 The TCA that is coordinated with SI has not been in Suspend 3 The TCA that is coordinated with SI is in Suspend and its Consistency is not in the latest state OFF MCU RCU 701 3 18 Universal Volume Manager Hitachi Universal Storage Platform V VM User and Reference Guide This option is used to issue the Read command at the LU discovery operation using UVM Mode 701 ON The Read command is issued at the LU discovery operation Mode 701 OFF The Read command is not issued at the LU discovery operation Notes When the Open LDEV Guard attribute VMA is defined on an external device set the system option to ON When this option is set to ON it takes longer time to complete the LU discovery The amount of time depends on external storages With this system option OFF if searching for external devices with VMA set the VMA information cannot be read Functional and Operational Characteristics OFF Eg 704 OPEN and mainframe To reduce the chance of MIH this option can reduce the priority of SI VM CoW Shapshot Flash Copy or Resync copy internal IO requests so that host IO has a higher priority This mode creates new work queues where these jobs can be assigned with a lower priority Mode 704 ON
57. ller DKC610 USP V DKC615 USP VM disk processor microprocessors on the BED features disk unit data lifecycle management domain name system drive dynamic random access memory Device Support Facilities Disaster Tolerant Storage System Plus Extended Count Key Data end of field electromagnetic interference emergency power off Error Reporting Enterprise Systems Architecture Enterprise System Connection IBM trademark for optical channels Enterprise Storage Server Extended Serial Adapter File Access Library part of the Cross OS File Exchange software fixed block architecture fibre channel fibre channel arbitrated loop Federal Communications Commission fibre channel protocol File Conversion Utility part of the Cross OS File Exchange software Fast Dump Restore front end director Fiber Connection format message fast wide differential Hitachi Cross OS File Exchange acceleration of gravity 9 8 m s unit used for vibration and shock gigabit gigabyte see Convention for Storage Capacity Values gigabit per second gigabyte link module global logical partition graphical user interface High Availability Cluster Multi Processing host bus adapter hardware configuration definition HiCommand Dynamic Link Manager Acronyms and Abbreviations Hitachi Universal Storage Platform V VM User and Reference Guide HDS HDU HGLAM Hi Star HSN HWM Hz ICKDSF IDCAMS IML in 10 I O IOCP
58. maintenance personnel OFF MCU RCU 474 Universal Replicator for z OS Reduce UR for z OS initial copy time for better performance by using the TC for z OS initial copy operation Mode 474 ON For a suspended URz pair a dedicated script can be used to create a TC z pair on the same P VOL and S VOL as the URz pair to shorten the initial copy time Mode 474 OFF For a suspended URz pair a dedicated script cannot be used to create a TC for z OS pair on the same P VOL and S VOL of the UR for z OS pair to shorten the UR for z OS initial copy time OFF MCU RCU 481 OPEN Display the detail of Identifier Type 1 of Inquiry P83 for Windows Vista Mode 481 ON Not display the detail of Identifier Type 1 of Inquiry Page 83 Mode 481 OFF Display the detail of Identifier Type 1 of Inquiry Page 83 Note System option mode 312 must be OFF to use this mode OFF 484 TrueCopy for z OS Display the information of PPRC path QUERY in FC interface format Previously the PPRC path QUERY information was only displayed in ESCON interface format even when the path was FC link When IBM host functions e g PPRC GDPS are being used mode 484 can be enabled to display the PPRC path QUERY information in FC interface format Mode 484 ON Display information of PPRC path QUERY in FC interface format Mode 484 OFF Display information of PPRC path QUERY in ESCON interface format OFF MCU RCU
59. ment features of the USP V VM may have restrictions on CU image compatibility For further information on CU image support refer to the Mainframe Host Attachment and Operations Guide MK 96RD645 or contact your Hitachi Data Systems account team Logical Volume I mages The Universal Storage Platform V VM supports the 3390 and 3380 mainframe LVI types e 3390 3 3R 9 L and M Note The 3390 3 and 3390 3R LVIs cannot be intermixed in the same storage system e 3380 3 F K Note The use of 3380 device emulation is restricted to Fujitsu environments The LVI configuration of the USP V VM storage system depends on the RAID implementation and physical disk drive capacities The LDEVs are accessed using a combination of logical disk controller number 00 01 CU number 00 FE and device number 00 FF All control unit images can support an installed LVI range of 00 to FF Functional and Operational Characteristics 3 7 Hitachi Universal Storage Platform V VM User and Reference Guide Logical Units 3 8 The Universal Storage Platform V VM is configured with OPEN V LU types The OPEN V LU can vary in size from 48 1 MB to 4 TB For information on other LU types OPEN 3 OPEN 9 contact your Hitachi Data Systems representative For maximum flexibility in LU configuration the USP V provides the Virtual LVI LUN VLL and LUN Expansion LUSE features Virtual LVI LUN allows users to configure multiple LUs under a single
60. nd and back end directors and by the SVP All SIMs generated by the USP V VM are stored on the SVP for use by Hitachi Data Systems personnel logged in the SYS1 LOGREC dataset of the mainframe host system displayed by the Storage Navigator software and reported over SNMP to the open system host The SIM display on Storage Navigator enables users to remotely view the SIMs reported by the attached storage systems Each time a SIM is generated the amber Message LED on the control panel turns on The Hi Track remote maintenance tool also reports all SIMs to the Hitachi Data Systems Support Center SIMs are classified according to severity service moderate serious or acute The service and moderate SIMs lowest severity do not require immediate attention and are addressed during routine maintenance The serious and acute SIMs highest severity are reported to the mainframe host s once every eight hours Note If a serious or acute level SIM is reported call the Hitachi Data Systems Support Center immediately to ensure that the problem is being addressed Figure 4 1 illustrates a typical 32 byte SIM from the USP V VM SIMs are displayed by reference code RC and severity The six digit RC which is composed of bytes 22 23 and 13 identifies the possible error and determines the severity The SIM type located in byte 28 indicates which component experienced the error SSB13 SSB22 23 SIM type gt Fl DKC SIM RC 307080 F2 C
61. nits of measure associated with the Universal Storage Platform V VM Acronyms and Abbreviations Defines the acronyms and abbreviations used in this document Index Lists the topics in this document in alphabetical order Preface Hitachi Universal Storage Platform V VM User and Reference Guide Referenced Documents Hitachi Universal Storage Platform V VM documentation Table 1 3 lists the user documents for Storage Navigator based software Table 1 4 lists the user documents for host and server based software Table 3 5 lists the configuration guides for host attachment Other referenced USP V VM documents USP V Installation Planning Guide MK 97RD6668 USP VM Installation Planning Guide MK 97RD6679 IBM documentation Planning for IBM Remote Copy SG24 2595 DFSMSdfp Storage Administrator Reference SC28 4920 DFSMS MVS V1 Remote Copy Guide and Reference SC35 0169 OS 390 Advanced Copy Services SC35 0395 Storage Subsystem Library 3990 Transaction Processing Facility Support RPQs GA32 0134 3990 Operations and Recovery Guide GA32 0253 Storage Subsystem Library 3990 Storage Control Reference for Model 6 GA32 0274 Preface Hitachi Universal Storage Platform V VM User and Reference Guide xi Document Conventions The terms Universal Storage Platform V and Universal Storage Platform VM refer to all models of the Hitachi Universal Storage Platform V and VM storage system
62. nt part transferred from the host differs from the CCHH of the currently accessed track address Mode 545 ON The record 0 format is allowed Mode 545 OFF The record 0 format is not allowed Note Use this mode when CU type 2107 is used or INVALID TRACK FORMAT ERROR occurs on VM MINIDISK Functional and Operational Characteristics OFF MCU pape Uu MCU RCU 676 Audit Log Store an audit log on the system disk as specified by the user OFF Mode 676 ON Store an audit log onto the system disk Mode 676 OFF Do not store an audit log onto the system disk 677 OPEN and This option is used not to perform SM backup for saving battery OFF MCU RCU mainframe consumption after planned PS Off Mode 677 ON Mode 677 is available only when Mode 460 is ON When planned PS Off ends normally and the SM information is successfully saved in SVP the following operations are performed according to the model USP V USP VM model Battery is not used for SM backup NSC model BASE PCB is powered off Mode 677 OFF Although planned PS Off ends normally battery is used for SM backup Note This option is recommended when PS Off that exceeds the backup time is performed or where NSC model is used 685 OPEN and This option treats the blocakde of cache module group as that OFF MCU RCU mainframe of cache PCB to prevent performance degradation Mode 685 ON Cache module group blockade is treated as
63. o make the destage schedule Note The priority of the destage processing for a specific CLPR in the overloaded status decreases and the overloaded status is not released so that TOV MIH may occur 459 Shadowl mage for When the secondary volume of an SI SIz pair is an external OFF z OS volume the transaction to change the status from SP PEND to Shadowl mage SPLIT is as follows 1 Mode 459 ON when creating an SI SIz pair The copy data is created in cache memory When the write processing on the external storage completes and the data is fixed the pair status will change to SPLIT 2 Mode 459 OFF when creating an SI SIz pair Once the copy data has been created in cache memory the pair status will change to SPLIT The external storage data is not fixed current spec 3 12 Functional and Operational Characteristics Hitachi Universal Storage Platform V VM User and Reference Guide 460 SM SVP When turning off PS the control information of the following OFF software stored in shared memory will be backed up in SVP After that when performing volatile PS ON the control information will be restored into shared memory from SVP TrueCopy TrueCopy for z OS Shadowl mage Shadow mage for z OS Volume Migration FlashCopy Universal Replicator Universal Replicator for z OS COW Snapshot Setting Mode 460 to ON is required to enable the function Note This support only applies to the case of volatile PS ON after PS OFF As usual
64. oftware function which performs server based data replication for mainframe data Hitachi Universal Replicator Provides a RAID storage based hardware solution for disaster MK 96RD624 Hitachi Universal Replicator recovery which enables fast and accurate system recovery MK 96RD625 for IBM z OS particularly for large amounts of data which span multiple volumes Using UR you can configure and manage highly reliable data replication systems using journal volumes to reduce chances of suspension of copy operations Hitachi Compatible Provides compatibility with the IBM Extended Remote Copy XRC MK 96RD610 Replication for IBM XRC mainframe host software function which performs server based asynchronous remote copy operations for mainframe LVIs Hitachi Copy on Write Provides Shadowl mage functionality using less capacity of the storage MK 96RD607 Snapshot system and less time for processing than Shadowl mage by using virtual secondary volumes COW Snapshot is useful for copying and managing data in a short time with reduced cost Shadowl mage provides higher data integrity Hitachi Universal Volume Realizes the virtualization of the storage system Users can connect MK 96RD626 Manager other storage systems to the USP V VM and access the data on the external storage system over virtual devices on the USP V VM Functions such as TrueCopy and Cache Residency can be performed on the external data Hitachi Virtual Partition Provides storage logic
65. on of the storage system and the operational conditions determine the number and type of batteries that are required Architecture and Components Hitachi Universal Storage Platform V VM User and Reference Guide Control Panel and Emergency Power Off Switch Control Panel Figure 2 4 shows the location of the control panel on the USP V and Figure 2 5 shows the location of the control panel on the USP VM Table 2 4 describes the items on the USP V VM control panel To open the control panel cover push and release on the point marked PUSH FRONT VIEW Control Panel SUB SYSTEM READY RESTART Remote ENABLE MAINTENANCE ALARML PROCESSING MESSAGE Li DISABLE EMERGENCY ENABLE PS oN HE OFF PS ON Figure 2 4 Location of Control Panel on the USP V FRONT VIEW Control Panel SUB SYSTEM READY RESTART REMOTE ENABLE MAINTENANC ALARM _ PROCESSING Messace DISABLE EMERGE ENABLE PS ON Figure 2 5 Location of Control Panel on the USP VM Architecture and Components 2 13 Hitachi Universal Storage Platform V VM User and Reference Guide 2 14 Table 2 4 Control Panel USP V and USP VM a S SUBSYSTEM LED When lit indicates that input output operation on the channel READY Green interface is possible Applies to both storage clusters SUBSY
66. on the first two shared memory cards which are in clusters 1 and 2 In the event of a power failure shared memory is protected for at least 36 hours by battery backup The Universal Storage Platform V can be configured with up to 32 GB of shared memory and the Universal Storage Platform VM can be configured with up to 16 GB of shared memory The size of the shared memory is determined by several factors including total cache size number of logical devices LDEVs and replication function s in use Any required increase beyond the base size is automatically shipped and configured during the installation or upgrade process Cache Memory The Universal Storage Platform V can be configured with up to 256 GB of cache and the Universal Storage Platform VM can be configured with up to 64 GB of cache memory All cache memory in the USP V VM is nonvolatile and is protected for at least 36 hours by battery backup The Universal Storage Platform V and VM storage systems place all read and write data in cache The amount of fast write data in cache is dynamically managed by the cache control algorithms to provide the optimum amount of read and write cache depending on the workload read and write I O characteristics The cache is divided into two equal areas called cache A and cache B on separate cards Cache A is in cluster 1 and cache B is in cluster 2 The Universal Storage Platform V VM places all read and write data in cache Write data i
67. power outage offline micro program exchange DCI and System Tuning are not supported Note Since PS OFF ON takes up to 25 minutes when using power monitoring devices PCI etc it is required to take enough time for PS OFF ON 464 TrueCopy for z OS SIM Report without Inflow Limit OFF MCU For TrueCopy for z OS the SIM report for the volume without inflow limit is available when mode 464 is set to ON SIM RC 490x yy x CU yy LDEV 466 UR URz For UR URz operations it is strongly recommended that the OFF path between main and remote storage systems have a minimum data transfer speed of 100 Mbps If the data transfer speed falls to 10 Mbps or lower UR operations cannot be properly processed As a result many retries occur and UR pairs may be suspended Mode 466 is provided to ensure proper system operation for data transfer speeds of at least 10 Mbps Mode 466 ON Data transfer speeds of 10 Mbps and higher are supported The J NL read is performed with 4 multiplexed read size of 256 KB Mode 466 OFF For conventional operations Data transfer speeds of 100 Mbps and higher are supported The J NL read is performed with 32 multiplexed read size of 1 MB by default Note The data transfer speed can be changed using the Change J NL Group options 467 SI SIz FlashCopy For the following features the current copy processing slows ON COW Snapshot down when the percentage of dirty data is 60 or higher Vol
68. rmation on host groups host modes and host mode options refer to the LUN Manager User s Guide MK 96RD615 Functional and Operational Characteristics 3 21 Hitachi Universal Storage Platform V VM User and Reference Guide Mainframe Operations Mainframe Compatibility and Functionality In addition to full System Managed Storage SMS compatibility the Universal Storage Platform V and VM provide the following functionalities and support in the mainframe environment e Sequential data striping e Cache fast write CFW and DASD fast write DFW e Enhanced dynamic cache management e Extended count key data ECKD commands e Multiple Allegiance e Concurrent Copy CC e Peer to Peer Remote Copy PPRC e FlashCopy e Parallel Access Volume PAV e Enhanced CCW e Priority I O queuing e Red Hat Linux for IBM S 390 and zSeries Mainframe Operating System Support Table 3 4 lists the mainframe operating systems currently supported by the Universal Storage Platform V and VM storage systems Please contact your Hitachi Data Systems account team for the latest information on mainframe operating system support Table 3 4 Mainframe Operating System Support IBM 05 390 MVS ESA MVS XA Mainframe Host Attachment and Operations Guide MK 96RD645 VM ESA VSE ESA z OS z OS e z VM z VSE Red Hat Linux for IBM S 390 and zSeries Fujitsu MSP 3 22 Functional and Operational Characteristics Hitach
69. rsal Storage Platform V VM User and Reference Guide 2 18 Architecture and Components Hitachi Universal Storage Platform V VM User and Reference Guide Functional and Operational Characteristics This chapter discusses the functional and operational capabilities of the USP V RAID Implementation CU Images LVIs and LUs Storage Navigator System Option Modes Host Modes and Host Mode Options Mainframe Operations Open Systems Operations OOoddagagoao g Battery Backup Operations Functional and Operational Characteristics 3 1 Hitachi Universal Storage Platform V VM User and Reference Guide RAI D Implementation This section provides an overview of the implementation of RAID technology on the Universal Storage Platform V e Array Groups and RAID Levels e Sequential Data Striping e LDEV Striping Across Array Groups Array Groups and RAID Levels The array group also called parity group is the basic unit of storage capacity for the USP V Each array group is attached to both boards of a BED pair over 16 fibre paths which enables all disk drives in the array group to be accessed simultaneously by the BED pair Each array frame has two canister mounts and each canister mount can have up to 128 physical disk drives The USP V supports the following RAID levels RAID 1 RAID 5 RAID 6 and RAID1 0 also known as RAIDA RAID O is not supported on the USP V When configured in four drive RAID 5 par
70. s unless otherwise noted This document uses the following icons to draw attention to information Icon Meaning Description Note Calls attention to important and or additional information Tip Provides helpful information guidelines or suggestions for performing tasks more effectively Caution Warns the user of adverse conditions and or consequences e g disruptive operations WARNING Warns the user of severe conditions and or consequences e g destructive operations DANGER Dangers provide information about how to avoid physical injury to yourself and others ELECTRIC SHOCK Warns the user of electric shock hazard Failure to take appropriate HAZARD precautions e g do not touch could result in serious injury ESD Sensitive Warns the user that the hardware is sensitive to electrostatic discharge ESD Failure to take appropriate precautions e g grounded wrist strap could result in damage to the hardware Convention for Storage Capacity Values xii Physical storage capacity values e g disk drive capacity are calculated based on the following values 1 KB 1 000 bytes 1 000 bytes 1 000 bytes 1 TB 1 000 bytes 1 PB 1 000 bytes 1 MB 1 GB Logical storage capacity values e g logical device capacity are calculated based on the following values 1 KB 1 024 bytes 1 024 bytes 1 024 bytes 1 TB 1 024 bytes 1 PB 1 024 bytes 1 block 512 bytes 1 MB 1 GB Pr
71. s Guide MK 96RD647 Code Converter MK 94RD253 HiCommand Global Link Availability Manager Provides simple integrated single point multipath storage connection management and reporting Improves system reliability and reduces downtime by automated path health checks reporting alerts and error information from hosts and assisting with rapid troubleshooting Administrators can optimize application performance by controlling path bandwidth per host LUN load balancing and keep applications online while performing tasks that require taking a path down by easily switching to and from alternate paths User s Guide MK 95HC106 Installation amp Admin MK 95HC107 Messages MK 95HC108 Hitachi Dynamic Link Manager Provides automatic load balancing path failover and recovery capabilities in the event of a path failure Concepts amp Planning MK 96HC144 For AIX MK 92DLM111 For HP UX MK 92DLM112 For Linux MK 92DLM113 For Solaris MK 92DLM114 For Windows MK 92DLM129 HiCommand Device Manager Enables users to manage the Hitachi storage systems and perform functions e g LUN Manager Shadowl mage from virtually any location via the Device Manager Web Client command line interface CLI and or third party application Web Client MK 91HC001 Server Inst amp Config MK 91HC002 CLI MK 91HC007 Messages MK 92HCO016 Agent MK 92HC019 HiCommand Provisioning Manager Designed to handle a varie
72. s normally written to both cache A and B with one channel write operation so that the data is always duplicated duplexed across logic and power boundaries If one copy of write data is defective or lost the other copy is immediately destaged to disk This duplex cache design ensures full data integrity in the unlikely event of a cache memory or power related failure Note Mainframe hosts can specify special attributes for example cache fast write CFW command to write data typically sort work data without write duplexing This data is not duplexed and is usually given a discard command at the end of the sort so that the data will not be destaged to the disk drives 2 6 Architecture and Components Hitachi Universal Storage Platform V VM User and Reference Guide Front End Directors and Host Channels The Universal Storage Platform V and VM support all mainframe all open system and multiplatform configurations The front end directors FEDs process the channel commands from the hosts and manage host access to cache In the mainframe environment the front end directors perform CKD to FBA and FBA to CKD conversion for the data in cache Each front end director feature pair of boards is composed of one type of host channel interface fibre channel FICON or Extended Serial Adapter ExSA compatible with ESCON protocol The channel interfaces on each board can transfer data simultaneously and independently The FICON and
73. sal Storage Platform V and VM storage systems O Universal Storage Platform V Family O New and Improved Capabilities O Specifications at a Glance O Software Products Product Overview 1 1 Hitachi Universal Storage Platform V VM User and Reference Guide Universal Storage Platform V Family The Hitachi Universal Storage Platform V family the industry s highest performing and most scalable storage solution represents the first implementation of a large scale enterprise class virtualization layer combined with thin provisioning software delivering virtualization of internal and external storage into one pool Users realize the consolidation benefits of external storage virtualization with the efficiencies power and cooling advantages of thin provisioning in one integrated solution The Universal Storage Platform V family which includes the USP V floor models and the rack mounted USP VM offer a wide range of storage and data services including thin provisioning with Hitachi Dynamic Provisioning software application centric storage management and logical partitioning and simplified and unified data replication across heterogeneous storage systems The Universal Storage Platform V family enables users to deploy applications within a new framework leverage and add value to current investments and more closely align IT with business objectives The Universal Storage Platform V family is an integral part of the Services Orien
74. ss will be performed in high speed 2 Make Volume feature enhancement The Make Volume operation recreating new CVs after deleting all volumes in a VDEV is now supported for all device emulation types Mode 269 ON The High Speed format is available when performing VLL operations on Storage Navigator or LDEV format SVP Maintenance for all LDEVs in a array group Mode 269 OFF Only the low speed format is available when performing VLL operations on Storage Navigator and LDEV format operations on SVP Maintenance Note If mode 503 is ON since the format processing is prevented the High Speed Format function for VLL operations mode 269 ON is not available For details on the relationship between modes 503 and 269 see Table 3 2 and Table 3 3 below Note Mode 269 is effective only when using the SVP to format the CVS MCU RCU 278 Open Tru64 Host Mode 07 and OpenVMS Host Mode 05 OFF Caution Host offline Required 292 TrueCopy for z OS Issuing OLS when Switching Port OFF When the mainframe host FICON is connected with the CNT made FC switch e g FC9000 and is using along with the TrueCopy for z OS with Open Fibre connection the occurrence of Link Incident Report for the mainframe host from the FC switch will be deterred when switching the CHT port attribute including automatic switching when executing CESTPATH and CDELPATH in case of mode 114 ON Mode 292 ON When switching the port
75. storage system and disk devices for attachment to the open systems hosts Note The queue depth and other parameters may need to be adjusted for the USP V VM devices Refer to the appropriate Configuration Guide for queue depth and other requirements The Storage Navigator User s Guide MK 96RD621 provides instructions for installing configuring and using Storage Navigator to perform resource and data management operations on the USP V VM storage system s The Hitachi LUN Manager User s Guide MK 96RD645 describes and provides instructions for configuring the USP V VM for host operations including FC port configuration LUN mapping host groups host modes and host mode options and LUN Security Each fibre channel port on the USP V VM provides addressing capabilities for up to 2 048 LUNs across as many as 255 host groups each with its own LUN 0 host mode and host mode options Multiple host groups are supported using LUN Security The Hitachi SNMP Agent User and Reference Guide MK 96RD620 describes the SNMP API interface for the USP V VM storage systems and provides instructions for configuring and performing SNMP operations The Virtual LVI LUN and Volume Shredder User s Guide MK 96RD630 provides instructions for configuring multiple custom volumes LUs under single LDEVs on the USP V VM storage system The LUN Expansion User s Guide MK 96RD616 provides instructions for configuring size expanded LUs on the USP V V
76. t your Hitachi Data Systems account team or visit Hitachi Data Systems online at www hds com Product Overview Hitachi Universal Storage Platform V VM User and Reference Guide Table 1 3 Storage Navigator Based Software ee Hitachi Storage Navigator Obtains system configuration and status information and sends user MK 96RD621 Hitachi Storage Navigator requested commands to the storage systems Serves as the MK 96RD613 Messages integrated user interface for all Resource Manager components NEW Hitachi Dynamic Provides virtual storage capacity to simplify administration and MK 96RD641 Provisioning addition of storage eliminate application service interruptions and reduce costs See Hitachi Dynamic Provisioning Hitachi TrueCopy Enables the user to perform remote copy operations between storage MK 96RD622 Hitachi TrueCopy for systems in different locations TrueCopy provides synchronous and MK 96RD623 IBM z OS asynchronous copy modes for open system and mainframe data Hitachi Shadowl mage Allows the user to create internal copies of volumes for purposes such MK 96RD618 Hitachi Shadow mage for as application testing and offline backup Can be used in conjunction MK 96RD619 IBM z OS with TrueCopy to maintain multiple copies of data at primary and secondary sites Hitachi Compatible Mirroring Provides compatibility with the IBM FlashCopy mainframe host MK 96RD614 for IBM FlashCopy s
77. tachi Universal Storage Platform V USP VM Hitachi Universal Storage Platform VM VA volt ampere VAC volts AC VCS VERITAS Cluster Server VDE Verband Deutscher Elektrotechniker VDEV virtual device VM Virtual Machine an IBM mainframe system control program VOLID volume ID volser volume serial number VSE Virtual Storage Extension an IBM mainframe operating system VTOC volume table of contents W watt WLM Workload Manager an IBM mainframe host software function XA System 370 Extended Architecture XDF Extended Distance Feature for EXSA channels XRC Extended Remote Copy an IBM mainframe host software function Acronyms and Abbreviations Acronyms 5 Hitachi Universal Storage Platform V VM User and Reference Guide Acronyms 6 Acronyms and Abbreviations Hitachi Universal Storage Platform V VM User and Reference Guide A alternate pathing scheme 2 4 arbitrated loop topology 2 9 array domain 2 10 group 3 2 B back end director 2 9 C cache global 3 24 memory battery backup 2 6 switch cards 2 3 canister mount 3 2 commands cache fast write 2 6 write inhibit 2 14 conversion fba to ckd 2 7 copy functions dasd on raid 1 12 D data sequential striping 3 4 striping 3 2 data transmission rates ficon 2 7 DKA pair buffers 2 9 device emulation 2 17 dynamic path switching 2 7 E error conditions 4 2 extended count key data 3 22 Index F fixed block architecture 2 11 H hdd stor
78. ted Storage Solutions architecture from Hitachi Data Systems These storage systems provide the foundation for matching application requirements to different classes of storage and deliver critical services such as e Business continuity services e Content management services search indexing e Non disruptive data migration e Volume management across heterogeneous storage arrays e Thin provisioning e Security services immutability logging auditing data shredding e Data de duplication e O load balancing e Data classification e File management services For further information on storage solutions and the Universal Storage Platform V and VM storage systems please contact your Hitachi Data Systems account team 1 2 Product Overview Hitachi Universal Storage Platform V VM User and Reference Guide New and I mproved Capabilities The Hitachi Universal Storage Platform V and VM storage systems offer the following new and improved capabilities as compared with the TagmaStore Universal Storage Platform and Network Storage Controller NEW Hitachi Dynamic Provisioning Hitachi Dynamic Provisioning is a new and advanced thin provisioning software product that provides virtual storage capacity to simplify administration and addition of storage eliminate application service interruptions and reduce costs Cache capacity The USP V supports up to 256 GB 128 GB for TagmaStore USP Shared memory capacity The USP V
79. tems host platforms supported by the USP V VM and the corresponding Configuration Guide for each host platform The Configuration Guides provide information and instructions on configuring the USP V VM disk devices for open systems operations Table 3 5 Open Systems Platforms and Configuration Guides UNI X Based Platforms Note The AIX ODM updates are included on the Product Documentation Library PDL CDs that come with the Hitachi USP V and VM Functional and Operational Characteristics Hitachi Universal Storage Platform V VM User and Reference Guide IBM AIX MK 96RD636 HP UX MK 96RD638 Sun Solaris MK 96RD632 SGI IRIX MK 96RD651 HP Tru64 UNIX MK 96RD654 HP OpenVMS MK 96RD653 PC Server Platforms Windows MK 96RD639 Novell NetWare MK 96RD652 Linux Platforms Red Hat Linux MK 96RD640 SuSE Linux MK 96RD650 VMware MK 96RD649 3 25 Open Systems Configuration After physical installation of the Universal Storage Platform V VM has been completed the user configures the storage system for open systems operations with assistance as needed from the Hitachi Data Systems representative Please refer to the following user documents for information and instructions on configuring your USP V VM storage system for open systems operations 3 26 The Configuration Guides for Host Attachment listed in Table 3 5 above provide information and instructions on configuring the USP V VM
80. than 36 48 hours Destage mode The destage process may not be possible until the battery charging is complete and the backup time may also become short less than 18 24 hours Functional and Operational Characteristics 3 27 Hitachi Universal Storage Platform V VM User and Reference Guide AC Input Power Failure Occurs 3 of Power Failure Universal Storage Platform V Universal Storage Platform VM 48 hours CM up to 128 GB 36 hours 36 hours CM 132 GB to 256 GB Backup Mode USP V VM Power Fee 1 Storage 4 K a CM and SM are backed up by battery 24 hours CM up to 128 GB 18 hours CM 132 GB to 256 GB 5 minutes e a S 1 minute 8 minutes Destage Mode USP V only Power Failure 2 SS battery option S required torage eee Data destage process fom and SM are backed up by battery Operating Power off process Notes 4 When power is recovered after a failure while backup power is being supplied by battery the storage system operates depending on the status of the Auto Power On JP on the Operator panel ENABLE The storage system is powered on automatically DISABLE The storage system is powered on by operating the Power ON OFF switch or the PCI 5 When power is recovered after a failure during the destage process the destage and power off processes are executed Figure 3 6 Battery Backup Processes for Power Failure 3 28 Functional and Operational Character
81. tion modes System Option Modes a Rem oen MCU RCU RCU 20 TrueCopy for z OS R VOL read only function OFF 36 TrueCopy for z OS Setting default function CRIT Y option for SVP panel TCz OFF MCU 64 TrueCopy for z OS Setting effective range of CGROUP OFF MCU 80 Shadowl mage for Suppression of Shadowlmage and Business Continuity OFF z OS Manager Quick Restore function 87 Shadow mage Shadow mage Quick Resync by CCI OFF 93 TrueCopy for z OS TrueCopy for z OS Async throttling feature OFF MCU Async 104 TrueCopy for z OS Changing default of CGROUP Freeze option OFF MCU 114 TrueCopy for z OS Turning TCz Links Around option OFF MCU RCU 122 Shadowl mage for Suppression of Shadowl mage for z OS and Business OFF z OS Continuity Manager Quick Split and Resync function 161 Open Suppression of high speed micro program exchange for CHT OFF 190 TrueCopy for z OS TCz Allows you to update the VOLSER and VTOC of the R VOL OFF RCU while the pair is suspended if both mode 20 and 190 are ON 3 10 Functional and Operational Characteristics Hitachi Universal Storage Platform V VM User and Reference Guide eg 269 Common High Speed Format for Virtual LVI LUN VLL available for all OFF device emulation types 1 High Speed Format support When redefining all LDEVs in an array group using VLL Volume Initialize or Make Volume operation LDEV format as the last proce
82. toring as well as reporting and forecasting capabilities of storage resources Server Installation MK 95HC109 Getting Started MK 96HC120 Server Administration MK 92HC021 User s Guide MK 92HC022 CLI MK 96HC119 Performance Reporter MK 93HC033 Agent Admin Guide MK 92HC013 Agent Installation MK 96HC110 Hardware Agent MK 96HC111 OS Agent MK 96HC112 Database Agent MK 96HC113 Messages MK 96HC114 HiCommand Protection Manager Systematically controls storage systems backup recovery products databases and other system components to provide efficient and reliable data protection using simple operations without complex procedures or expertise User s Guide MK 94HC070 Console MK 94HC071 Command Reference MK 94HC072 Messages MK 94HC073 HiCommand Tiered Storage Manager Enables users to relocate data non disruptively from one volume to another for purposes of Data Lifecycle Management DLM Helps improve the efficiency of the entire data storage system by enabling quick and easy data migration according to the user s environment and requirements Server MK 94HC089 User s Guide MK 94HC090 CLI MK 94HC091 Messages MK 94HC092 Hitachi Copy Manager for TPF Enables TPF users to control DASD copy functions on Hitachi RAID storage systems from TPF through an interface that is simple to install and use Administrator s Guide MK 92RD129 Messages MK 92RD130 Operations Guide MK 92RD131 Hitachi Ca
83. ty of storage systems to simplify storage management operations and reduce costs Works together with HiCommand Device Manager to provide the functionality to integrate manipulate and manage storage using provisioning plans User s Guide MK 93HC035 Server MK 93HC038 Messages MK 95HC117 Hitachi Business Continuity Manager Enables mainframe users to make Point in Time PiT copies of production data without quiescing the application or causing any disruption to end user operations for such uses as application testing business intelligence and disaster recovery for business continuance Installation MK 95HC104 Reference Guide MK 95HC105 User s Guide MK 94RD247 Messages MK 94RD262 HiCommand Replication Monitor Supports management of storage replication copy pair operations enabling users to view report the configuration change the status and troubleshoot copy pair issues Replication Monitor is particularly effective in environments that include multiple storage systems or multiple physical locations and in environments in which various types of volume replication functionality such as both Shadowl mage and TrueCopy are used Product Overview Install amp Config MK 96HC131 Messages MK 96HC132 User s Guide MK 94HC093 1 11 Hitachi Universal Storage Platform V VM User and Reference Guide HiCommand Tuning Manager Provides intelligent and proactive performance and capacity moni
84. ume Migration and it stops when the percentage is 75 or higher Mode 467 Universal Volume is provided to prevent the percentage from exceeding 60 so Manager that the host performance is not affected Shadowl mage Shadowl mage for z OS FlashCopy Copy on Write SnapShot Volume Migration Universal Volume Manager Mode 467 ON Copy overload prevention Copy processing stops when the percentage of dirty data reaches 60 or higher When the percentage falls below 60 copy processing restarts Mode 467 OFF Normal operation The copy processing slows down if the dirty percentage is 60 or larger and it stops if the dirty percentage is 75 or larger Caution This mode must always be set to ON when using an external volume as the secondary volume of any of the above mentioned replication products Note It takes longer to finish the copy processing because it stops for prioritizing the host I O performance Functional and Operational Characteristics 3 13 Hitachi Universal Storage Platform V VM User and Reference Guide Sg 471 Common SIMs that require action only by the user and not maintenance personnel are displayed on the Information of SVP and Storage Navigator and are not reported to maintenance personnel This mode is provided for sites where it is required to report all SIMs to maintenance personnel Mode 471 ON Report SIMs to maintenance personnel Mode 471 OFF Not report SIMs to
85. upports the ESCON Extended Distance Feature XDF e Fibre Channel The fibre channel features provide data transfer speeds of up to 4 Gbps and can have either 8 or 16 ports per feature pair of boards The USP V VM supports shortwave multimode and longwave single mode versions of fibre channel ports on the same adapter board Note Fiber channel connectivity is also supported for IBM mainframe attachment when host FI CON channel paths are defined to operate in fiber channel protocol FCP mode Architecture and Components 2 7 Hitachi Universal Storage Platform V VM User and Reference Guide 2 8 Table 2 1 lists the specifications and configurations for the front end directors and specifies the number of channel connections for each configuration Table 2 1 Front End Director and Channel Specifications Number of front end director features USP V 1 8 14 when FEDs are installed in BED slots USP VM 1 3 Simultaneous data transfers per FED pair FICON ExSA ESCON Fibre channel Oo CO OO 16 Maximum data transfer rate FICON ExSA ESCON Fibre channel 400 MB sec 4 Gbps 17 MB sec 400 MB sec 4 Gbps Physical interfaces per FED pair FICON 8 ExSA ESCON 8 Fibre channel 8 16 Max physical FICON interfaces per system USP V 112 USP VM 24 Max physical ExSA interfaces per system USP V 112 USP VM 24 Max physical FC interfaces per system USP V 224 USP VM 48 Logical paths per
86. urer open fibre control online read margin operating system Parallel Access Volume petabyte see Convention for Storage Capacity Values personal computer system power control interface PPRC dynamic address switching IBM mainframe software function physical device Product Documentation Library parity group Peer to Peer Remote Copy an IBM mainframe host software function power supply RAID Advisory Board redundant array of independent disks random access memory reference code reduced instruction set computer read write IBM System 390 architecture storage area network serial Advanced Technology Attachment standard small computer system interface state change pending second sequential small form factor pluggable Silicon Graphics Inc Shadowl mage service information message Shadowl mage for z OS storage logical partition shared memory adapter System Managed Storage simple network management protocol storage system identification service processor switch short wavelength terabyte see Convention for Storage Capacity Values Thomas amp Betts TrueCopy TrueCopy for z OS target ID Transaction Processing Facility Time Sharing Option an IBM mainframe operating system option unit control block Acronyms and Abbreviations Hitachi Universal Storage Platform V VM User and Reference Guide UIM unit information module UL Underwriters Laboratories um micron micrometer USP V Hi
87. volatile start up after breaker OFF ON or offline micro program exchange Mode 493 ON When mode 493 is ON and a power cycle is performed a unique SA ID value for each port is reported to the host Mode 493 OFF When mode 493 is OFF and a power cycle is performed and 2107 port is not set normal SA ID values are reported to the host When 2107 emulation is set the SA ID value of mainframe PCB port remains unique even after setting mode 493 to OFF and then performing a power cycle Caution Power cycle is required OFF MCU RCU 494 Mainframe Enables CUIR processing when replacing a FI CON PCB Mode 494 ON CUIR processing is available when replacing a FICON PCB but only when mode 493 is ON and a power cycle is performed to enable the SA ID unique mode Power cycle includes PS OFF ON volatile non volatile start up after breaker OFF ON or offline micro program exchange Mode 494 OFF CUIR processing is not available Caution Power cycle is required OFF 498 OPEN One path performance improvement for the OPEN random read Mode 498 ON One path performance improvement for the OPEN random read is available Mode 498 OFF One path performance improvement for the OPEN random read is not available Notes When mode 498 is ON the maximum performance of CHP is improved which icreases the number of I Os to the back end DKP HDD external initiator MP external storage
88. wer supply failure Because of this redundancy the USP V VM can sustain the loss of multiple power supplies and still continue operation The redundancy and backup features of the USP V VM eliminate all active single points of failure no matter how unlikely to provide an additional level of reliability and data availability Architecture and Components Hitachi Universal Storage Platform V VM User and Reference Guide Hardware Components The USP V VM hardware includes the controller disk unit and power supply components Each component is connected over the cache paths shared memory paths and or disk paths The USP V VM controller is fully redundant and has no active single point of failure All components can be repaired or replaced without interrupting access to user data The main hardware components of the USP V and VM storage systems are e Shared Memory e Cache Memory e Host Channels and Front End Directors e Back End Directors and Array Domains e Hard Disk Drives e Service Processor e Power Supplies e Batteries Architecture and Components 2 5 Hitachi Universal Storage Platform V VM User and Reference Guide Shared Memory The nonvolatile shared memory contains the cache directory and configuration information for the USP V VM storage system The path group arrays for example for dynamic path selection also reside in the shared memory The shared memory is duplexed and each side of the duplex resides
89. ximum number of LDEVs in this configuration is 2000 LDEV A od LDEV B peg Array group 2 7D 1P Array group 1 7D 1P o ee Striping Fx x x x Xr Array group 1 7D 1P Array group 2 7D 1P Figure 3 3 LDEV Striping Across 2 RAI D 5 7D 1P Array Groups Functional and Operational Characteristics Hitachi Universal Storage Platform V VM User and Reference Guide 3 6 7 EV Il Array group 7D 1P Array group 2 7D 1P 3 LDEV C pug LDEV D Array group 3 7D 1P Array group 4 7D 1P i e Striping C 2 Array group 2 7D 1P C OX OX ox x 2 AE SE a pem p ECE UE Tq T DUET SED SE E UV UV UI Array group 3 7D 1P Array group 4 7D 1P Figure 3 4 LDEV Striping Across 4 RAI D 5 7D 1P Array Groups All disk drives and device emulation types are supported for LDEV striping LDEV striping can be used in combination with all USP V data management functions Functional and Operational Characteristics Hitachi Universal Storage Platform V VM User and Reference Guide CU I mages LVIs and LUs CU I mages The Universal Storage Platform V VM is configured with one control unit image for each 256 devices one SSID for each 64 or 256 LDEVs and supports a maximum of 510 CU images 255 in each logical disk controller or LDKC The USP V VM supports the following control unit CU emulation types e 3990 6 3990 6E e 2105 2107 Note The mainframe data manage
90. ysical disk drive locations within each array group Therefore each track of an LDEV occupies the same relative physical location within each array group in the storage system In a RAID 6 dual parity configuration data is striped twice across four rows RAI D 6 uses two parity drives to prevent loss of data in the unlikely event of a second failure during a rebuild of a previous failure 3 4 Functional and Operational Characteristics Hitachi Universal Storage Platform V VM User and Reference Guide LDEV Striping Across Array Groups In addition to the conventional concatenation of RAID 1 array groups 4D 4D the Universal Storage Platform V supports LDEV striping across multiple RAID 5 array groups for improved LU performance in open system environments The advantages of LDEV striping are e Improved performance especially of an individual LU due to an increase in the number of HDDs that constitute an array group e Better workload distribution in the case where the workload of one array group is higher than another array group you can distribute the workload by combining the array groups thereby reducing the total workload concentrated on each specific array group The supported LDEV striping configurations are e LDEV striping across two RAID 5 7D 1P array groups see Figure 3 3 The maximum number of LDEVs in this configuration is 1000 e LDEV striping across four RAID 5 7D 1P array groups see Figure 3 4 The ma

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