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Compaq HSZ80 manual See also

Models: HSZ80

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CLEAR_ERRORS CLI

CLEAR_ERRORS INVALID_CACHE

CLEAR_ERRORS UNKNOWN

CLEAR_ERRORS UNWRITEABLE_DATA

Compaq HSZ80 Array Controller ACS Version 8.3 Configuration and CLI Reference Guide

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Compaq HSZ80 manual See also

Contents

HSZ80 Array Controller ACS Version Page Japan USA Page Chapter Creating Storagesets Vii CLI CommandsViii Appendix a Page Figures Xii Xiii TablesXiv Compaq Website Telephone Numbers Getting HelpXvi About This Guide PrecautionsElectrostatic Discharge Precautions Component PrecautionXvii Vhdci Cable PrecautionsMaintenance Port Precautions Xviii About This Guide ConventionsTypographical Conventions Xix Special NoticesXx About This Guide Required ToolsXxi Related PublicationsXxii About This Guide Revision HistoryGeneral Description 2General Description Typical InstallationBasic Building Block 4General Description Basic Building Blocks ListSummary of Controller Features Summary of HSZ80 Features6General Description Bridging the Gap Between the Host and Its Storage Subsystem HSZ80 Array Controller8General Description HSZ80 Array Controller HSZ80 Array Controller10General Description Description of PartsDescription of Parts 12General Description Parts of the Optional Maintenance Port CableEMU PVA Operator Control Panel14General Description Maintenance PortVirtual Terminal Display Fault Management UtilityUtilities and Exercisers Clone Utility Configuration UtilityDisk Inline Exerciser Code Load and Code Patch UtilityDevice Statistics Utility Field Replacement UtilityChange Volume Serial Number Utility 18General Description Cache Module Memory ConfigurationsCache Module Location of Cache Module Parts 20General Description Caching TechniquesRead Caching Read-Ahead CachingWrite-Back Caching Write-Through Caching22General Description Fault-Tolerance for Write-Back CachingNonvolatile Memory Cache Policies Resulting from Cache Module FailuresCache Policies and Cache Module Status Failover to controller B 24General DescriptionResulting Cache Policies and ECB Status 26General Description Through caching to its units Less than 28General Description 10 ECB Capacity Based on Memory Size External Cache Battery30General Description 11 Location of PartsBattery Hysteresis Charging DiagnosticsPage Configuring an HSZ80 Array Controller Introduction Configuration Rules2Configuring an HSZ80 Array Controller Few Tips Configuring an HSZ80 Array Controller4Configuring an HSZ80 Array Controller Location of Parts for a Single Controller Configuration Configuring a Single Controller6Configuring 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 SET Failover Copy = Thiscontroller 12Configuring an HSZ80 Array ControllerRestart 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 SET Multibusfailover Copy = Thiscontroller 18Configuring an HSZ80 Array ControllerRestart Othercontroller Restart Thiscontroller 20Configuring an HSZ80 Array Controller Connecting in Multiple-Bus Failover Mode to the Host Change the CLI prompt 22Configuring an HSZ80 Array ControllerOptional Steps Set the maximum data-transfer rate UPS Support 24Configuring an HSZ80 Array ControllerSetting the PVA Module ID Switch Establishing a Local Connection to Controller 26Configuring an HSZ80 Array ControllerPC/Terminal to Maintenance Port Connection This Controller and Other Controller 28Configuring an HSZ80 Array ControllerUsing Transparent Failover Mode Selecting a Failover Mode30Configuring an HSZ80 Array Controller Using Multiple-Bus Failover ModeEnabling Mirrored Write-Back Cache Selecting a Cache Mode32Configuring an HSZ80 Array Controller Fault-ToleranceHost Scsi Bus Setting Scsi Target ID NumbersDevice Scsi Bus 34Configuring an HSZ80 Array ControllerUsing Preferred ID Numbers Page Creating Storagesets 2Creating Storagesets Disk drives 4Creating Storagesets Planning and Configuring StoragesetsCreating a Storageset and Device Profile Type of Storageset Creating StoragesetsDetermining Storage Requirements For Disk Array Technology Choosing a Storageset TypeA Comparison of Different Kinds of Storagesets 8Creating StoragesetsUsing Stripesets to Increase I/O Performance 10Creating Storagesets Considerations for Planning a StripesetDistribute Members across Ports 12Creating Storagesets Using Mirrorsets to Ensure AvailabilityMirrorsets Maintain Two Copies of the Same Data Considerations for Planning a MirrorsetFirst Mirrorset Members on Different Buses 14Creating StoragesetsUsing RAIDsets to Increase Performance Availability 16Creating Storagesets Considerations for Planning a RAIDsetPage Striping and Mirroring in the Same Storageset 18Creating StoragesetsConsiderations for Planning a Striped Mirrorset 20Creating Storagesets Cloning Data for BackupClone Steps for Duplicating Unit Members 22Creating Storagesets ExampleUse available device DISK20400size=832317 for member DISK20000size=832317 y,n y ? y 24Creating StoragesetsSaving Subsystem Configuration Information to a Single Disk Backing Up Your Subsystem Configuration26Creating Storagesets Saving Subsystem Configuration Information to a StoragesetController Displaying the Status of the Save Configuration FeatureCache 28Creating StoragesetsNotransportable 30Creating Storagesets Node IDsRestoring Node IDs Page 32Creating Storagesets Assigning Unit Numbers for Host Access to StoragesetsLUN Unit Numbering Examples34Creating Storagesets Creating a Storageset Map10. Storageset Map Locate devicename Device PTL Addressing Convention within Controller36Creating Storagesets 11. PTL Naming Convention Device port numbers Target Numbers 38Creating Storagesets13. Locating Devices using PTLs 40Creating Storagesets Planning PartitionsDefining a Partition Guidelines for Partitioning Storagesets Disk Drives 42Creating Storagesets Choosing Switches for Storagesets DevicesEnabling Switches Changing SwitchesReconstruction Policy RAIDset SwitchesReplacement Policy 44Creating Storagesets MembershipMirrorset Switches 46Creating Storagesets Copy SpeedRead Source Disaster Tolerance Support 48Creating Storagesets Device SwitchesTransportability Device Transfer Rate Dtsupport Local/Remote50Creating Storagesets Chunk Size Initialize Switches52Creating Storagesets Increasing the Request Rate16. Chunk Size Smaller than the Request Size Increasing the Data Transfer Rate54Creating Storagesets Increasing Sequential Write PerformanceMaximum Chunk Size for RAIDsets Maximum Chunk Sizes for a RAIDsetConsiderations for Saving the Configuration Save Configuration56Creating Storagesets Destroy/Nodestroy 58Creating Storagesets Unit SwitchesUnit Switches for Storagesets Configuring Storagesets Adding One Disk Drive at a Time 2Configuring StoragesetsADD Disk DISKnnnn ptl-location switchvalue Adding Disk DrivesConfiguring a Stripeset Initialize mirrorset-name switch Configuring a Mirrorset4Configuring Storagesets ADD Mirrorset mirrorset-name DISKnnnn DISKnnnn switchShow mirrorset-name ADD Unit unit-number mirrorset-name switchInitialize RAIDset-name switch Configuring a RAIDset6Configuring Storagesets ADD Raidset RAIDset-name DISKnnnn DISKnnnn DISKnnnn switchADD Stripeset stripeset-name mirrorset1 mirrorset2 Configuring a Striped MirrorsetShow RAIDset-name 8Configuring Storagesets ADD Unit unit-number DISKnnnn switchvalue Configuring a Single-Disk UnitPartitioning a Storageset or Disk Drive 10Configuring StoragesetsShow storageset-name Initialize storageset-name switch12Configuring Storagesets Adding a Disk Drive to the Spareset 14Configuring Storagesets Removing a Disk Drive from the SparesetEnabling Autospare Delete storageset-name 16Configuring StoragesetsDeleting a Storageset Delete unit-numberChanging Device Switches Changing Switches for a Storageset or DeviceDisplaying the Current Switches Changing RAIDset and Mirrorset Switches18Configuring Storagesets Changing Initialize SwitchesChanging Unit Switches Enabling and Disabling the CCL Configuring with the Command Console LUNFinding the CCL Location SCSI-2 ModeSCSI-3 Mode 20Configuring StoragesetsAdding Storage Units with the CCL Troubleshooting with the CCL22Configuring Storagesets Host Modes Configuring Units with Multiple HostsIBM AIX 24Configuring StoragesetsSetting Host Modes Designating the Port Transparent Failover Mode26Configuring Storagesets Accessing Units on a Given Port Designating the Host Scsi ID Number 28Configuring StoragesetsScsi ID Designating the Port and Designating the Host Scsi ID Number 30Configuring StoragesetsSET this PORT1ID = SET this PORT2ID = 32Configuring Storagesets Multiple-Bus Failover ModeAssigning Units through Multiple Host Adapters 34Configuring Storagesets Moving a Storageset from one Subsystem to Another Moving StoragesetsADD Disk disk-name PTL-location 36Configuring StoragesetsLocate disk-name Delete disk-nameADD Unit unit-number storageset-name ADD storageset-name disk-name disk-nameMove disk drives to their new location 38Configuring StoragesetsCLI Commands CLI Overview Using the CLICommand Overview 2CLI CommandsSET Thiscontroller ? Entering CLI CommandsGetting Help Unit Naming Recall and Edit Command Keys4CLI Commands Unit Number Changing the CLI Prompt Command Syntax6CLI Commands Command parameter SwitchesParameters ADD DiskSyntax Remote Switches8CLI Commands TransportableADD Disk DISK40200 4 2 0 Transportable TRANSFERRATEREQUESTED=20MHZ DefaultTRANSFERRATEREQUESTED=ASYNCHRONOUS TRANSFERRATEREQUESTED=10MHZ TRANSFERRATEREQUESTED=5MHZADD Disk DISK200 2 0 0 Remote 10CLI CommandsSee also Initialize DISK20000 2 0 ADD Unit D199 DISK20000COPY=FAST ADD MirrorsetPOLICY=BESTFIT 12CLI CommandsPOLICY=BESTPERFORMANCE Default Dtsupport NodtsupportREADSOURCE=ROUNDROBIN READSOURCE=disk-name READSOURCE=LEASTBUSY DefaultInitialize MIRR1 ADD Unit D104 MIRR1 14CLI CommandsADD Mirrorset MIRR1 DISK10000 DISK20100 DISK30200 Show Mirrorsets Show Storagesets Unmirror ADD Disk ADD UnitInitialize Mirror Reduce ADD Passthrough passthrough-name scsi-port-target-lun 16CLI CommandsADD Passthrough ParameterADD Passthrough TAPE20300 2 3 ADD Unit P100 TAPE20300 Show passthrough-name 18CLI CommandsShow Devices Show Passthrough RAIDset-name ADD RaidsetRECONSTRUCT=FAST 20CLI CommandsRECONSTRUCT=NORMAL Default Initialize RAID8 Noreduced DefaultReduced ADD Raidset RAID9 DISK10000 DISK20100 DISK30200SET Raidset Show Raidset 22CLI CommandsADD Unit D70 RAID8 ADD Raidset RAID6 DISK10300 DISK20400 DISK30200 ReducedDisk-name ADD SparesetADD Spareset DISK20200 ADD Spareset DISK30300 Delete Spareset Show Spareset Show StoragesetsContainer-name1 container-name2 container-nameN 24CLI CommandsADD Stripeset Stripeset-nameInitialize STRIPE1 ADD Unit D103 STRIPE1 ADD Stripeset STRIPE1 DISK10000 DISK20100 DISK30200Initialize Show Storageset Show Stripeset 26CLI CommandsADD Unit ADD Mirrorset Unit-number ADD UnitADD Unit unit-number container-name 28CLI Commands ADD Unit Switches for StoragesetsPage PARTITION=partitionnumber 30CLI CommandsMAXIMUMCACHEDTRANSFER=32 Default MAXIMUMCACHEDTRANSFER=n Nopreferredpath DefaultNoreadaheadcache Readcache DefaultReadaheadcache Default NoreadcacheNowritebackcache 32CLI CommandsNorun NowriteprotectADD Unit D102 DISK10000 PREFERREDPATH=THISCONTROLLER Show Units 34CLI CommandsCreatepartition Delete unit-number SET unit-numberClearerrors Clearerrors Clearerrors Clearerrors Clearerrors CLIClearerrors CLI Clearerrors CLIController Clearerrors controller Invalidcache36CLI Commands Examples Device-name Clearerrors device-nameUNKNOWN38CLI Commands Clearerrors DISK30000 UnknownSee also Clearerrors D103 Lostdata Clearerrors unit-numberLOSTDATA40CLI Commands See also Unwriteabledata Clearerrors unit-number42CLI Commands Clearerrors D103 UnwriteabledataSee also Configuration Restore Configuration Save Initialize Configuration Reset44CLI Commands Configuration ResetConfiguration Restore Configuration RestoreConfiguration Reset Configuration Save Initialize 46CLI CommandsConfiguration Reset Configuration Restore Initialize Configuration SaveSIZE=percent 48CLI CommandsCreatepartition Createpartition container-name SIZE=percentCAPACITY= CYLINDERS= HEADS= SECTORSPERTRACK= Destroy Partition Show 50CLI CommandsDelete STRIPE1 Delete DISK10000Delete RAID9 52CLI CommandsDelete Failedset Delete Spareset Unmirror SET Failedset Show Failedset Delete FailedsetDelete Failedset DISK20200 ADD Spareset Show Spareset Delete Spareset54CLI Commands Delete Spareset DISK20300Delete D103 Delete unit-numberDelete Failedsets Delete Sparesets Destroypartition 56CLI CommandsADD Unit Clearerrors Lostdata Partition-number DestroypartitionDestroypartition container-name PARTITION=partition-number Delete D102 Destroypartition RAID9 PARTITION=2 58CLI CommandsRUN DirectoryDirectory Help 60CLI CommandsHelp HelpYour options are SET ?Initialize container-name 62CLI CommandsInitialize CHUNKSIZE=DEFAULT Default CHUNKSIZE=n Nosaveconfiguration Default 64CLI CommandsDestroy Default SaveconfigurationShow Devices Full Initialize DISK10000 SaveconfigurationReduce DISK40400 Initialize DISK40400 Nodestroy 66CLI CommandsALL CancelLocate Locate parameterUnits 68CLI CommandsDisks PTL SCSI-locationLocate Disks Locate DISK10000 Locate CancelLocate D102 Mirror disk-name mirrorset-name 70CLI CommandsMirror POLICY=BESTFIT POLICY=BESTPERFORMANCE Nopolicy Default72CLI Commands ADD Mirrorset Reduce Show Mirrorsets Unmirror Overridebadflush Poweroff74CLI Commands Battery onSECONDS=nn Poweroff Switch SettingsPoweroff SECONDS=10 76CLI CommandsReduce Disk-name1 disk-name2 disk-name3 78CLI CommandsReduce disk-name1 disk-name2 disk-name3 Show Mirrorsets Show STRIPE1SET mirrorset-name 80CLI CommandsADD Mirrorset RUN Clone Show Mirrorset New-container-name RenameRename old-container-name new-container-name Old-container-nameRename DISK10000 Mydisk Show Disks 82CLI CommandsRestart controller IgnoreerrorsNoignoreerrors Default Restart Othercontroller 84CLI CommandsImmediateshutdown Restart ThiscontrollerRetryerrors D103 Unwriteabledata Retryerrors unit-numberProgram-name 86CLI CommandsRUN RUN program-namePage RUN Dilx 88CLI CommandsSelftest controller Selftest controllerRestart controller Shutdown controller 90CLI CommandsSelftest Othercontroller Ignoreerrors Selftest ThiscontrollerThiscontroller SET controller SwitchesSET controller 92CLI Commands Cacheups CACHEFLUSHTIMER=n CACHEFLUSHTIMER=10 DefaultNocacheups Default AllocationclassHOSTFUNCTION=mode HOSTFUNCTION=ID,mode 94CLI CommandsCommandconsolelun Nocommandconsolelun DefaultNODEID=nnnn-nnnn-nnnn-nnnn checksum Mirroredcache 96CLI CommandsNOPORT1ID NOPORT2IDPage NOPORT2PREFERREDID 98CLI CommandsNOPORT1PREFERREDID TERMINALPARITY=ODD TERMINALPARITY=EVEN SCSIVERSION=SCSI-2 DefaultTERMINALSPEED=baudrate TERMINALSPEED=9600 Default SCSIVERSION=SCSI-3Maximum SCSI-Bus Lengths for Given Data Transfer Rate 100CLI CommandsShow Thiscontroller Show Othercontroller 101SET Othercontroller PROMPT=CONTROLLER B SET Thiscontroller PORT1ID=2,5SET device-name 102CLI Commands103 SET DISK10300 Remote 104CLI CommandsSET DISK20000 TRANSFERRATEREQUESTED=5MHZ SET DISK10300 TransportableSET EMU SET EMU105 FANSPEED=HIGH EMU Set Point Temperatures106CLI Commands FANSPEED=AUTOMATIC DefaultSET EMU FANSPEED=HIGH 107SET EMU SENSOR2SETPOINT=34 Autospare Noautospare 108CLI CommandsSET Failedset SET FailedsetSET Failedset Autospare 109SET DISK10000 Transportable Init DISK10000Thiscontroller Othercontroller 110CLI CommandsSET Failover SET Multibusfailover SET Nofailover SET Nomultibusfailover 111SET Failover COPY=THISCONTROLLER SET mirrorset-name 112CLI CommandsMEMBERSHIP=number-of-members 113REPLACE=disk-name 114CLI CommandsREMOVE=disk-name 115 SET MIRR1 POLICY=BESTFIT 116CLI CommandsADD Mirrorset Reduce Show Mirrorset Unmirror 117SET MIRR1 REMOVE=DISK30000 SET MIRR1 REPLACE=DISK30200SET Multibusfailover 118CLI CommandsSET Failover SET Nofailover SET Nomultibusfailover 119Destroyunflushabledata 120CLI CommandsNodestroyunflushabledata Default SET NofailoverSET Failover SET Multibusfailover SET Nomultibusfailover 121SET Nofailover SET Nomultibusfailover 122CLI CommandsSET Failover SET Multibusfailover SET Nofailover 123SET Nomultibusfailover Destroyunflushabledata SET RAIDset-name 124CLI Commands125 SET RAID9 REMOVE=DISK10000 126CLI CommandsSET RAID9 POLICY=BESTFIT ADD Raidset Show Raidsets 127SET RAID9 REPLACE=DISK20100 SET unit-number 128CLI Commands129 130CLI Commands 131 MAXIMUMCACHEDTRANSFER=n MAXIMUMCACHEDTRANSFER=32 DefaultERRORMODE=NORMAL ERRORMODE=FAILSAFE 132CLI Commands133 134CLI Commands SET D102 Writeprotect Noreadcache 135Show EMU 136CLI CommandsShow Show controller Show device-name Show device-typeStorageset-name 137Device-type EMUFull 138CLI Commands139 Show Mirrorset Full 140CLI CommandsShow MIRR1 Show Thiscontroller Full 141Show EMU 142CLI Commands143 Shutdown controllerRestart controller Selftest controller 144CLI CommandsShutdown Thiscontroller Unmirror DISK10300 Unmirror145 ADD Mirrorset Reduce RUN Clone 146CLI CommandsSystem Profiles 2System Profiles Device ProfileReduced Membership Storageset Profile4System Profiles Enclosure TemplateController Specifications 2Controller Specifications Physical and Electrical Specifications for ControllerOptimum Operating Environmental Specifications Environmental Specifications4Controller Specifications Table B-3 Maximum Operating Environmental SpecificationsTable B-4 Maximum Nonoperating Environmental Specifications Glossary Bit GL-2GlossaryCSR Data striping GL-4GlossarySee ECB Dual-simplexFD Scsi GL-6GlossaryIBR Operation GL-8GlossaryMist Normal member GL-10GlossaryPCM PTL GL-12GlossaryRAIDset RFI GL-14GlossarySCSI-P cable Storage subsystem GL-16GlossarySynchronous GL-17Vhdci GL-18GlossaryGL-19 Page ADD Unit unit-number container-name,5-27Adding ADD Passthrough passthrough-name scsi-port-target-lun,5-16ADD Raidset RAIDset-name container- nameN ADD Stripeset stripeset-name container- nameNAUTOSPARE, 4-15SET Failedset Batteryoff Poweroff Batteryon Poweroff2Index Lostdata CacheupsCapacity CREATEPARTITION, 5-49INITIALIZE Chunksize InitializeSET MULTIBUSFAILOVER, 5-118SET Nofailover 4IndexPage Cylinders CREATEPARTITION, 5-49INITIALIZE 6IndexCopy Destroyunflushabledata SET Nofailover SET Nomultibusfailover Disks Disableaccesspath ADD Unit8Index DilxECB Enableaccesspath ADD UnitErrormode Index ADD Disk NosaveconfigurationSaveconfiguration SET mirrorset-name,5-113Membership PTL SCSI-location,5-68unit-number,5-68UNITSMaximumcachedtransfer ADD Unit MembershipNopolicy ADD RAIDSET, 5-20NOPORT1ID Nooverridebadflush Poweroff Noautospare SET FailedsetNodeid INVALIDCACHE, 5-36NODTSUPPORTNoreadcache Overridebadflush PoweroffNOPORT2TRANSFERRATEREQUEST ED NopreferredpathPORT2ID Show device-type,5-137PathPORT1ID SET controller, 5-98Protocol PreferredpathPrompt SET mirrorset-name,5-116 SET mirrorset-name,5-114SET RAIDset-name,5-125 Rename old-container-name new-containerRUN program name WRITEPROTECT, 5-133WRITEBACKCACHE PORT1PREFERREDID PORT1TRANSFERRATEREQUESTE DPORT2PREFERREDID PORT2TRANSFERRATEREQUESTE D Show storageset-name,5-137SHOW storageset-type,5-137 PassthroughSize Createpartition TRANSFERRATEREQUESTED, 3-49TRANSPORTABLE TRANSFERRATEREQUESTED, 3-49ADD Disk TimeSET controller, 5-99Tip, defined, xix Tools, xx Topology Vtdpy Writeprotect