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Compaq HSZ80 manual Location of Parts, 30General Description

Models: HSZ80

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1–30General Description

CACHE

POWER

STATUS

OFF

SHUT

4

SHUT OFF STATUS

POWER

CACHE

1

2

3

~

CXO6305B

Figure 1–9. ECB for Dual-Redundant Controller Configurations

Table 1–11 Location of Parts

Item	Description

➀Shut off button

➁Status LED

➂ECB Y cable

➃Male port

Image 52

Compaq HSZ80 manual Location of Parts, 30General Description

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 GuideMaintenance Port Precautions Vhdci Cable PrecautionsXvii Typographical Conventions 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 DescriptionUtilities and Exercisers Fault Management UtilityVirtual Terminal Display Configuration Utility Disk Inline ExerciserCode Load and Code Patch Utility Clone UtilityChange Volume Serial Number Utility Field Replacement UtilityDevice Statistics Utility Cache Module Cache Module Memory Configurations18General 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 2Configuring an HSZ80 Array Controller Configuration RulesIntroduction 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 Optional Steps 22Configuring an HSZ80 Array ControllerChange 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 Restoring Node IDs Node IDs30Creating Storagesets Page Assigning Unit Numbers for Host Access to Storagesets 32Creating StoragesetsUnit Numbering Examples LUNCreating a Storageset Map 34Creating Storagesets10. Storageset Map 36Creating Storagesets Device PTL Addressing Convention within ControllerLocate devicename 11. PTL Naming Convention 38Creating Storagesets Device port numbers Target Numbers13. Locating Devices using PTLs Defining a Partition Planning Partitions40Creating Storagesets Guidelines for Partitioning Storagesets Disk Drives Choosing Switches for Storagesets Devices Enabling SwitchesChanging Switches 42Creating StoragesetsReplacement Policy RAIDset SwitchesReconstruction Policy Membership 44Creating StoragesetsMirrorset Switches Read Source Copy Speed46Creating Storagesets Disaster Tolerance Support Transportability Device Switches48Creating Storagesets Device Transfer Rate 50Creating Storagesets Local/RemoteDtsupport 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 for Storagesets Unit Switches58Creating 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 switchShow RAIDset-name Configuring a Striped MirrorsetADD 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 Unit Switches Changing Initialize 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 26Configuring Storagesets Transparent Failover ModeDesignating 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 OverviewGetting Help Entering CLI CommandsSET Thiscontroller ? 4CLI Commands Recall and Edit Command KeysUnit Naming Unit Number Command Syntax 6CLI CommandsCommand parameter Switches Changing the CLI PromptSyntax ADD DiskParameters 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=ROUNDROBINADD Mirrorset MIRR1 DISK10000 DISK20100 DISK30200 14CLI CommandsInitialize MIRR1 ADD Unit D104 MIRR1 Initialize Mirror Reduce ADD Disk ADD UnitShow Mirrorsets Show Storagesets Unmirror 16CLI Commands ADD PassthroughParameter ADD Passthrough passthrough-name scsi-port-target-lunADD Passthrough TAPE20300 2 3 ADD Unit P100 TAPE20300 Show Devices Show Passthrough 18CLI CommandsShow passthrough-name ADD Raidset RAIDset-nameRECONSTRUCT=NORMAL Default 20CLI CommandsRECONSTRUCT=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 STRIPE1ADD Unit ADD Mirrorset 26CLI CommandsInitialize Show Storageset Show Stripeset ADD Unit unit-number container-name ADD UnitUnit-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 Clearerrors36CLI Commands Clearerrors controller InvalidcacheController Examples Clearerrors device-nameUNKNOWN 38CLI CommandsClearerrors DISK30000 Unknown Device-nameSee also 40CLI Commands Clearerrors unit-numberLOSTDATAClearerrors 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 STRIPE1Delete Failedset Delete Spareset Unmirror 52CLI CommandsDelete RAID9 Delete Failedset DISK20200 Delete FailedsetSET Failedset Show Failedset Delete Spareset 54CLI CommandsDelete Spareset DISK20300 ADD Spareset Show SparesetDelete unit-number Delete D103ADD Unit Clearerrors Lostdata 56CLI CommandsDelete Failedsets Delete Sparesets Destroypartition Destroypartition container-name PARTITION=partition-number DestroypartitionPartition-number 58CLI Commands Delete D102 Destroypartition RAID9 PARTITION=2Directory DirectoryRUN 60CLI Commands HelpHelp HelpSET ? Your options areInitialize 62CLI CommandsInitialize 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 D102 Locate DISK10000 Locate CancelLocate Disks Mirror 70CLI CommandsMirror 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 Reduce disk-name1 disk-name2 disk-name3 78CLI CommandsDisk-name1 disk-name2 disk-name3 Show STRIPE1 Show MirrorsetsADD Mirrorset RUN Clone Show Mirrorset 80CLI CommandsSET mirrorset-name Rename Rename old-container-name new-container-nameOld-container-name New-container-name82CLI Commands Rename DISK10000 Mydisk Show DisksNoignoreerrors Default IgnoreerrorsRestart 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 SET controller SwitchesThiscontroller 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 NOPORT1PREFERREDID 98CLI CommandsNOPORT2PREFERREDID 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 Remote105 SET EMUSET EMU EMU Set Point Temperatures 106CLI CommandsFANSPEED=AUTOMATIC Default FANSPEED=HIGHSET EMU SENSOR2SETPOINT=34 107SET EMU FANSPEED=HIGH 108CLI Commands SET FailedsetSET Failedset Autospare Noautospare109 SET DISK10000 TransportableInit DISK10000 SET Failedset AutospareSET Failover 110CLI CommandsThiscontroller Othercontroller SET Failover COPY=THISCONTROLLER 111SET Multibusfailover SET Nofailover SET Nomultibusfailover 112CLI Commands SET mirrorset-name113 MEMBERSHIP=number-of-membersREMOVE=disk-name 114CLI CommandsREPLACE=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 DestroyunflushabledataSET Nofailover 121SET Failover SET Multibusfailover SET Nomultibusfailover 122CLI Commands SET NomultibusfailoverSET Nomultibusfailover Destroyunflushabledata 123SET Failover SET Multibusfailover SET Nofailover 124CLI Commands SET RAIDset-name125 SET RAID9 POLICY=BESTFIT 126CLI CommandsSET RAID9 REMOVE=DISK10000 SET RAID9 REPLACE=DISK20100 127ADD 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 Show MIRR1 140CLI CommandsShow Mirrorset Full 141 Show Thiscontroller Full142CLI Commands Show EMUShutdown controller 143Shutdown Thiscontroller 144CLI CommandsRestart controller Selftest controller 145 UnmirrorUnmirror 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-4 Maximum Nonoperating Environmental Specifications Table B-3 Maximum Operating 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,5-27Adding2Index Batteryoff Poweroff Batteryon PoweroffAUTOSPARE, 4-15SET Failedset Cacheups Capacity CREATEPARTITION, 5-49INITIALIZEChunksize Initialize Lostdata4Index SET MULTIBUSFAILOVER, 5-118SET NofailoverPage Copy 6IndexCylinders CREATEPARTITION, 5-49INITIALIZE Destroyunflushabledata SET Nofailover SET Nomultibusfailover Disableaccesspath ADD Unit 8IndexDilx DisksErrormode Enableaccesspath ADD UnitECB Index Saveconfiguration NosaveconfigurationADD 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 NoreadcachePORT1ID Show device-type,5-137PathPORT2ID Prompt PreferredpathSET 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 PORT2PREFERREDID PORT2TRANSFERRATEREQUESTE D PORT1PREFERREDID PORT1TRANSFERRATEREQUESTE DWRITEPROTECT, 5-133WRITEBACKCACHE Passthrough Show storageset-name,5-137SHOW storageset-type,5-137Size Createpartition TRANSFERRATEREQUESTED, 3-49TRANSPORTABLE SET controller, 5-99Tip, defined, xix Tools, xx Topology TimeTRANSFERRATEREQUESTED, 3-49ADD Disk Vtdpy Writeprotect