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Compaq HSZ80 manual Enclosure Template, 4System Profiles

Models: HSZ80

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A–4System Profiles

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Compaq HSZ80 manual Enclosure Template, 4System Profiles

Contents

HSZ80 Array Controller ACS Version Page Japan USA Page Chapter Creating Storagesets CLI Commands ViiViii Appendix a Page Figures Xii Tables XiiiXiv Getting Help Compaq Website Telephone NumbersPrecautions Electrostatic Discharge PrecautionsComponent Precaution Xvi About This GuideVhdci Cable Precautions Maintenance Port PrecautionsXvii Conventions Typographical ConventionsXviii About This Guide Special Notices XixRequired Tools Xx About This GuideRelated Publications XxiRevision History Xxii About This GuideGeneral Description Typical Installation 2General DescriptionBasic Building Block Basic Building Blocks List 4General DescriptionSummary of HSZ80 Features Summary of Controller Features6General Description HSZ80 Array Controller Bridging the Gap Between the Host and Its Storage Subsystem8General Description HSZ80 Array Controller HSZ80 Array ControllerDescription of Parts 10General DescriptionDescription of Parts Parts of the Optional Maintenance Port Cable 12General DescriptionOperator Control Panel EMU PVAMaintenance Port 14General DescriptionFault Management Utility Utilities and ExercisersVirtual Terminal Display Configuration Utility Disk Inline ExerciserCode Load and Code Patch Utility Clone UtilityField Replacement Utility Change Volume Serial Number UtilityDevice Statistics Utility Cache Module Memory Configurations Cache Module18General Description Location of Cache Module Parts Caching Techniques Read CachingRead-Ahead Caching 20General DescriptionWrite-Through Caching Write-Back CachingFault-Tolerance for Write-Back Caching Nonvolatile MemoryCache Policies Resulting from Cache Module Failures 22General DescriptionCache Policies and Cache Module Status 24General Description Failover to controller BResulting Cache Policies and ECB Status 26General Description Through caching to its units Less than 28General Description External Cache Battery 10 ECB Capacity Based on Memory Size11 Location of Parts 30General DescriptionCharging Diagnostics Battery HysteresisPage Configuring an HSZ80 Array Controller Configuration Rules 2Configuring an HSZ80 Array ControllerIntroduction Configuring an HSZ80 Array Controller Few Tips4Configuring an HSZ80 Array Controller Configuring a Single Controller Location of Parts for a Single Controller Configuration6Configuring an HSZ80 Array Controller SET Thiscontroller HOSTFUNCTION= ID, Mode 8Configuring an HSZ80 Array Controller Connecting a Single Controller to the Host 10Configuring an HSZ80 Array Controller Location of Parts for Transparent Failover 12Configuring an HSZ80 Array Controller SET Failover Copy = ThiscontrollerRestart Othercontroller Restart Thiscontroller 14Configuring an HSZ80 Array Controller Connecting in Transparent Failover Mode to the Host 16Configuring an HSZ80 Array Controller Location of Parts for Multiple-Bus Failover 18Configuring an HSZ80 Array Controller SET Multibusfailover Copy = ThiscontrollerRestart Othercontroller Restart Thiscontroller 20Configuring an HSZ80 Array Controller Connecting in Multiple-Bus Failover Mode to the Host 22Configuring an HSZ80 Array Controller Optional StepsChange the CLI prompt Set the maximum data-transfer rate 24Configuring an HSZ80 Array Controller UPS SupportSetting the PVA Module ID Switch 26Configuring an HSZ80 Array Controller Establishing a Local Connection to ControllerPC/Terminal to Maintenance Port Connection 28Configuring an HSZ80 Array Controller This Controller and Other ControllerSelecting a Failover Mode Using Transparent Failover ModeUsing Multiple-Bus Failover Mode 30Configuring an HSZ80 Array ControllerSelecting a Cache Mode Enabling Mirrored Write-Back CacheFault-Tolerance 32Configuring an HSZ80 Array ControllerSetting Scsi Target ID Numbers Host Scsi Bus34Configuring an HSZ80 Array Controller Device Scsi BusUsing Preferred ID Numbers Page Creating Storagesets 2Creating Storagesets Disk drives Planning and Configuring Storagesets 4Creating StoragesetsCreating a Storageset and Device Profile Creating Storagesets Type of StoragesetDetermining Storage Requirements Choosing a Storageset Type A Comparison of Different Kinds of Storagesets8Creating Storagesets For Disk Array TechnologyUsing Stripesets to Increase I/O Performance Considerations for Planning a Stripeset 10Creating StoragesetsDistribute Members across Ports Using Mirrorsets to Ensure Availability 12Creating StoragesetsConsiderations for Planning a Mirrorset Mirrorsets Maintain Two Copies of the Same Data14Creating Storagesets First Mirrorset Members on Different BusesUsing RAIDsets to Increase Performance Availability Considerations for Planning a RAIDset 16Creating StoragesetsPage 18Creating Storagesets Striping and Mirroring in the Same StoragesetConsiderations for Planning a Striped Mirrorset Cloning Data for Backup 20Creating StoragesetsClone Steps for Duplicating Unit Members Example 22Creating StoragesetsUse available device DISK20400size=832317 for member 24Creating Storagesets DISK20000size=832317 y,n y ? yBacking Up Your Subsystem Configuration Saving Subsystem Configuration Information to a Single DiskSaving Subsystem Configuration Information to a Storageset 26Creating StoragesetsDisplaying the Status of the Save Configuration Feature Controller28Creating Storagesets CacheNotransportable Node IDs Restoring Node IDs30Creating Storagesets Page Assigning Unit Numbers for Host Access to Storagesets 32Creating StoragesetsUnit Numbering Examples LUNCreating a Storageset Map 34Creating Storagesets10. Storageset Map Device PTL Addressing Convention within Controller 36Creating StoragesetsLocate devicename 11. PTL Naming Convention 38Creating Storagesets Device port numbers Target Numbers13. Locating Devices using PTLs Planning Partitions Defining a Partition40Creating Storagesets Guidelines for Partitioning Storagesets Disk Drives Choosing Switches for Storagesets Devices Enabling SwitchesChanging Switches 42Creating StoragesetsRAIDset Switches Replacement PolicyReconstruction Policy Membership 44Creating StoragesetsMirrorset Switches Copy Speed Read Source46Creating Storagesets Disaster Tolerance Support Device Switches Transportability48Creating Storagesets Device Transfer Rate Local/Remote 50Creating StoragesetsDtsupport Initialize Switches Chunk SizeIncreasing the Request Rate 52Creating StoragesetsIncreasing the Data Transfer Rate 16. Chunk Size Smaller than the Request SizeIncreasing Sequential Write Performance Maximum Chunk Size for RAIDsetsMaximum Chunk Sizes for a RAIDset 54Creating StoragesetsSave Configuration Considerations for Saving the Configuration56Creating Storagesets Destroy/Nodestroy Unit Switches Unit Switches for Storagesets58Creating Storagesets Configuring Storagesets 2Configuring Storagesets ADD Disk DISKnnnn ptl-location switchvalueAdding Disk Drives Adding One Disk Drive at a TimeConfiguring a Stripeset Configuring a Mirrorset 4Configuring StoragesetsADD Mirrorset mirrorset-name DISKnnnn DISKnnnn switch Initialize mirrorset-name switchADD Unit unit-number mirrorset-name switch Show mirrorset-nameConfiguring a RAIDset 6Configuring StoragesetsADD Raidset RAIDset-name DISKnnnn DISKnnnn DISKnnnn switch Initialize RAIDset-name switchConfiguring a Striped Mirrorset Show RAIDset-nameADD Stripeset stripeset-name mirrorset1 mirrorset2 8Configuring Storagesets Configuring a Single-Disk Unit ADD Unit unit-number DISKnnnn switchvalue10Configuring Storagesets Partitioning a Storageset or Disk DriveInitialize storageset-name switch Show storageset-name12Configuring Storagesets Adding a Disk Drive to the Spareset Removing a Disk Drive from the Spareset 14Configuring StoragesetsEnabling Autospare 16Configuring Storagesets Deleting a StoragesetDelete unit-number Delete storageset-nameChanging Switches for a Storageset or Device Displaying the Current SwitchesChanging RAIDset and Mirrorset Switches Changing Device SwitchesChanging Initialize Switches Changing Unit Switches18Configuring Storagesets Configuring with the Command Console LUN Enabling and Disabling the CCLSCSI-2 Mode SCSI-3 Mode20Configuring Storagesets Finding the CCL LocationTroubleshooting with the CCL Adding Storage Units with the CCL22Configuring Storagesets Configuring Units with Multiple Hosts Host Modes24Configuring Storagesets IBM AIXSetting Host Modes Transparent Failover Mode 26Configuring StoragesetsDesignating the Port Accessing Units on a Given Port 28Configuring Storagesets Designating the Host Scsi ID NumberScsi ID 30Configuring Storagesets Designating the Port and Designating the Host Scsi ID NumberSET this PORT1ID = SET this PORT2ID = Multiple-Bus Failover Mode 32Configuring StoragesetsAssigning Units through Multiple Host Adapters 34Configuring Storagesets Moving Storagesets Moving a Storageset from one Subsystem to Another36Configuring Storagesets Locate disk-nameDelete disk-name ADD Disk disk-name PTL-locationADD storageset-name disk-name disk-name ADD Unit unit-number storageset-name38Configuring Storagesets Move disk drives to their new locationCLI Commands Using the CLI Command Overview2CLI Commands CLI OverviewEntering CLI Commands Getting HelpSET Thiscontroller ? Recall and Edit Command Keys 4CLI CommandsUnit Naming Unit Number Command Syntax 6CLI CommandsCommand parameter Switches Changing the CLI PromptADD Disk SyntaxParameters Switches 8CLI CommandsTransportable RemoteTRANSFERRATEREQUESTED=20MHZ Default TRANSFERRATEREQUESTED=ASYNCHRONOUSTRANSFERRATEREQUESTED=10MHZ TRANSFERRATEREQUESTED=5MHZ ADD Disk DISK40200 4 2 0 Transportable10CLI Commands See alsoInitialize DISK20000 2 0 ADD Unit D199 DISK20000 ADD Disk DISK200 2 0 0 RemoteADD Mirrorset COPY=FAST12CLI Commands POLICY=BESTPERFORMANCE DefaultDtsupport Nodtsupport POLICY=BESTFITREADSOURCE=disk-name READSOURCE=LEASTBUSY Default READSOURCE=ROUNDROBIN14CLI Commands ADD Mirrorset MIRR1 DISK10000 DISK20100 DISK30200Initialize MIRR1 ADD Unit D104 MIRR1 ADD Disk ADD Unit Initialize Mirror ReduceShow Mirrorsets Show Storagesets Unmirror 16CLI Commands ADD PassthroughParameter ADD Passthrough passthrough-name scsi-port-target-lunADD Passthrough TAPE20300 2 3 ADD Unit P100 TAPE20300 18CLI Commands Show Devices Show PassthroughShow passthrough-name ADD Raidset RAIDset-name20CLI Commands RECONSTRUCT=NORMAL DefaultRECONSTRUCT=FAST Noreduced Default ReducedADD Raidset RAID9 DISK10000 DISK20100 DISK30200 Initialize RAID822CLI Commands ADD Unit D70 RAID8ADD Raidset RAID6 DISK10300 DISK20400 DISK30200 Reduced SET Raidset Show RaidsetADD Spareset ADD Spareset DISK20200 ADD Spareset DISK30300Delete Spareset Show Spareset Show Storagesets Disk-name24CLI Commands ADD StripesetStripeset-name Container-name1 container-name2 container-nameNADD Stripeset STRIPE1 DISK10000 DISK20100 DISK30200 Initialize STRIPE1 ADD Unit D103 STRIPE126CLI Commands ADD Unit ADD MirrorsetInitialize Show Storageset Show Stripeset ADD Unit ADD Unit unit-number container-nameUnit-number ADD Unit Switches for Storagesets 28CLI CommandsPage 30CLI Commands MAXIMUMCACHEDTRANSFER=32 Default MAXIMUMCACHEDTRANSFER=nNopreferredpath Default PARTITION=partitionnumberReadcache Default Readaheadcache DefaultNoreadcache Noreadaheadcache32CLI Commands NorunNowriteprotect NowritebackcacheADD Unit D102 DISK10000 PREFERREDPATH=THISCONTROLLER 34CLI Commands CreatepartitionDelete unit-number SET unit-number Show UnitsClearerrors CLI Clearerrors CLIClearerrors CLI Clearerrors Clearerrors Clearerrors ClearerrorsClearerrors controller Invalidcache 36CLI CommandsController Examples Clearerrors device-nameUNKNOWN 38CLI CommandsClearerrors DISK30000 Unknown Device-nameSee also Clearerrors unit-numberLOSTDATA 40CLI CommandsClearerrors D103 Lostdata See also Clearerrors unit-number 42CLI CommandsClearerrors D103 Unwriteabledata UnwriteabledataSee also Configuration Reset 44CLI CommandsConfiguration Reset Configuration Restore Configuration Save InitializeConfiguration Restore Configuration Restore46CLI Commands Configuration Reset Configuration Save InitializeConfiguration Save Configuration Reset Configuration Restore Initialize48CLI Commands CreatepartitionCreatepartition container-name SIZE=percent SIZE=percentCAPACITY= CYLINDERS= HEADS= SECTORSPERTRACK= 50CLI Commands Destroy Partition ShowDelete DISK10000 Delete STRIPE152CLI Commands Delete Failedset Delete Spareset UnmirrorDelete RAID9 Delete Failedset Delete Failedset DISK20200SET Failedset Show Failedset Delete Spareset 54CLI CommandsDelete Spareset DISK20300 ADD Spareset Show SparesetDelete unit-number Delete D10356CLI Commands ADD Unit Clearerrors LostdataDelete Failedsets Delete Sparesets Destroypartition Destroypartition Destroypartition container-name PARTITION=partition-numberPartition-number 58CLI Commands Delete D102 Destroypartition RAID9 PARTITION=2Directory DirectoryRUN 60CLI Commands HelpHelp HelpSET ? Your options are62CLI Commands InitializeInitialize container-name CHUNKSIZE=DEFAULT Default CHUNKSIZE=n 64CLI Commands Destroy DefaultSaveconfiguration Nosaveconfiguration DefaultInitialize DISK10000 Saveconfiguration Show Devices Full66CLI Commands Reduce DISK40400 Initialize DISK40400 NodestroyCancel LocateLocate parameter ALL68CLI Commands DisksPTL SCSI-location UnitsLocate DISK10000 Locate Cancel Locate D102Locate Disks 70CLI Commands MirrorMirror disk-name mirrorset-name Nopolicy Default POLICY=BESTFIT POLICY=BESTPERFORMANCE72CLI Commands ADD Mirrorset Reduce Show Mirrorsets Unmirror Poweroff 74CLI CommandsBattery on OverridebadflushPoweroff Switch Settings SECONDS=nn76CLI Commands Poweroff SECONDS=10Reduce 78CLI Commands Reduce disk-name1 disk-name2 disk-name3Disk-name1 disk-name2 disk-name3 Show STRIPE1 Show Mirrorsets80CLI Commands ADD Mirrorset RUN Clone Show MirrorsetSET mirrorset-name Rename Rename old-container-name new-container-nameOld-container-name New-container-name82CLI Commands Rename DISK10000 Mydisk Show DisksIgnoreerrors Noignoreerrors DefaultRestart controller 84CLI Commands ImmediateshutdownRestart Thiscontroller Restart OthercontrollerRetryerrors unit-number Retryerrors D103 Unwriteabledata86CLI Commands RUNRUN program-name Program-namePage 88CLI Commands RUN DilxSelftest controller Selftest controller90CLI Commands Selftest Othercontroller IgnoreerrorsSelftest Thiscontroller Restart controller Shutdown controllerSET controller Switches SET controllerThiscontroller 92CLI Commands CACHEFLUSHTIMER=n CACHEFLUSHTIMER=10 Default Nocacheups DefaultAllocationclass Cacheups94CLI Commands CommandconsolelunNocommandconsolelun Default HOSTFUNCTION=mode HOSTFUNCTION=ID,modeNODEID=nnnn-nnnn-nnnn-nnnn checksum 96CLI Commands NOPORT1IDNOPORT2ID MirroredcachePage 98CLI Commands NOPORT1PREFERREDIDNOPORT2PREFERREDID SCSIVERSION=SCSI-2 Default TERMINALSPEED=baudrate TERMINALSPEED=9600 DefaultSCSIVERSION=SCSI-3 TERMINALPARITY=ODD TERMINALPARITY=EVEN100CLI Commands Maximum SCSI-Bus Lengths for Given Data Transfer Rate101 SET Othercontroller PROMPT=CONTROLLER BSET Thiscontroller PORT1ID=2,5 Show Thiscontroller Show Othercontroller102CLI Commands SET device-name103 104CLI Commands SET DISK20000 TRANSFERRATEREQUESTED=5MHZSET DISK10300 Transportable SET DISK10300 RemoteSET EMU 105SET EMU EMU Set Point Temperatures 106CLI CommandsFANSPEED=AUTOMATIC Default FANSPEED=HIGH107 SET EMU SENSOR2SETPOINT=34SET EMU FANSPEED=HIGH 108CLI Commands SET FailedsetSET Failedset Autospare Noautospare109 SET DISK10000 TransportableInit DISK10000 SET Failedset Autospare110CLI Commands SET FailoverThiscontroller Othercontroller 111 SET Failover COPY=THISCONTROLLERSET Multibusfailover SET Nofailover SET Nomultibusfailover 112CLI Commands SET mirrorset-name113 MEMBERSHIP=number-of-members114CLI Commands REMOVE=disk-nameREPLACE=disk-name 115 116CLI Commands SET MIRR1 POLICY=BESTFIT117 SET MIRR1 REMOVE=DISK30000SET MIRR1 REPLACE=DISK30200 ADD Mirrorset Reduce Show Mirrorset Unmirror118CLI Commands SET Multibusfailover119 SET Failover SET Nofailover SET Nomultibusfailover120CLI Commands Nodestroyunflushabledata DefaultSET Nofailover Destroyunflushabledata121 SET NofailoverSET Failover SET Multibusfailover SET Nomultibusfailover 122CLI Commands SET Nomultibusfailover123 SET Nomultibusfailover DestroyunflushabledataSET Failover SET Multibusfailover SET Nofailover 124CLI Commands SET RAIDset-name125 126CLI Commands SET RAID9 POLICY=BESTFITSET RAID9 REMOVE=DISK10000 127 SET RAID9 REPLACE=DISK20100ADD Raidset Show Raidsets 128CLI Commands SET unit-number129 130CLI Commands MAXIMUMCACHEDTRANSFER=n MAXIMUMCACHEDTRANSFER=32 Default 131132CLI Commands ERRORMODE=NORMAL ERRORMODE=FAILSAFE133 134CLI Commands 135 SET D102 Writeprotect Noreadcache136CLI Commands ShowShow controller Show device-name Show device-type Show EMU137 Device-typeEMU Storageset-name138CLI Commands Full139 140CLI Commands Show MIRR1Show Mirrorset Full 141 Show Thiscontroller Full142CLI Commands Show EMUShutdown controller 143144CLI Commands Shutdown ThiscontrollerRestart controller Selftest controller Unmirror 145Unmirror DISK10300 146CLI Commands ADD Mirrorset Reduce RUN CloneSystem Profiles Device Profile 2System ProfilesStorageset Profile Reduced MembershipEnclosure Template 4System ProfilesController Specifications Physical and Electrical Specifications for Controller 2Controller SpecificationsEnvironmental Specifications Optimum Operating Environmental SpecificationsTable B-3 Maximum Operating Environmental Specifications Table B-4 Maximum Nonoperating Environmental Specifications4Controller Specifications Glossary GL-2Glossary BitCSR GL-4Glossary Data stripingDual-simplex See ECBGL-6Glossary FD ScsiIBR GL-8Glossary OperationMist GL-10Glossary Normal memberPCM GL-12Glossary PTLRAIDset GL-14Glossary RFISCSI-P cable GL-16Glossary Storage subsystemGL-17 SynchronousGL-18Glossary VhdciGL-19 Page ADD Passthrough passthrough-name scsi-port-target-lun,5-16 ADD Raidset RAIDset-name container- nameNADD Stripeset stripeset-name container- nameN ADD Unit unit-number container-name,5-27AddingBatteryoff Poweroff Batteryon Poweroff 2IndexAUTOSPARE, 4-15SET Failedset Cacheups Capacity CREATEPARTITION, 5-49INITIALIZEChunksize Initialize Lostdata4Index SET MULTIBUSFAILOVER, 5-118SET NofailoverPage 6Index CopyCylinders CREATEPARTITION, 5-49INITIALIZE Destroyunflushabledata SET Nofailover SET Nomultibusfailover Disableaccesspath ADD Unit 8IndexDilx DisksEnableaccesspath ADD Unit ErrormodeECB Index Nosaveconfiguration SaveconfigurationADD Disk PTL SCSI-location,5-68unit-number,5-68UNITS Maximumcachedtransfer ADD UnitMembership SET mirrorset-name,5-113MembershipNooverridebadflush Poweroff Noautospare SET Failedset NodeidINVALIDCACHE, 5-36NODTSUPPORT Nopolicy ADD RAIDSET, 5-20NOPORT1IDOverridebadflush Poweroff NOPORT2TRANSFERRATEREQUEST EDNopreferredpath NoreadcacheShow device-type,5-137Path PORT1IDPORT2ID Preferredpath PromptSET controller, 5-98Protocol SET mirrorset-name,5-114 SET RAIDset-name,5-125Rename old-container-name new-container SET mirrorset-name,5-116RUN program name PORT1PREFERREDID PORT1TRANSFERRATEREQUESTE D PORT2PREFERREDID PORT2TRANSFERRATEREQUESTE DWRITEPROTECT, 5-133WRITEBACKCACHE Passthrough Show storageset-name,5-137SHOW storageset-type,5-137Size Createpartition TRANSFERRATEREQUESTED, 3-49TRANSPORTABLE Time SET controller, 5-99Tip, defined, xix Tools, xx TopologyTRANSFERRATEREQUESTED, 3-49ADD Disk Vtdpy Writeprotect