IBM System Storage DS4000 Storage Manager Version 9.23

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IBM

System

Storage

DS4000

Storage

Manager

Version

9.23 Concepts

Guide

(2)

(3)

IBM

System

Storage

DS4000

Storage

Manager

Version

9.23 Concepts

Guide

(4)

Note:

Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformationunder“Notices”onpage 131.

FifthEdition(April2007)

©CopyrightInternationalBusinessMachinesCorporation2004,2007.Allrightsreserved.

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Figures

1. Direct(out-of-band)managed storagesubsystems . . . 23

2. Host-agent(in-band)managedstoragesubsystems . . . 25

3. Samplenetwork usingdirectandhost-agentmanagedstoragesubsystems . . . 26

4. TheEnterprise Managementwindow . . . 27

5. Devicetreewithamanagementdomain . . . 28

6. SubsystemManagementwindowLogicalViewandPhysicalView. . . 30

7. Thescripteditor window . . . 36

8. Unconfiguredandfreecapacitynodes . . . 69

9. Thetask assistantintheEnterprise Managementwindow. . . 76

10. Thetask assistantintheSubsystemManagement window . . . 77

11. MonitoringstoragesubsystemhealthusingtheEnterpriseManagement window . . . 78

12. Eventmonitoringexample . . . 88

13. Locationof theRecoveryGurutoolbarbutton . . . 89

14. RecoveryGuruwindow . . . 90

15. RecoveryGuruwindowshowingReplacedstatusicon . . . 91

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Tables

1. WheretofindDS4000installationandconfigurationprocedures . . . xii

2. Mappingof FAStTnamestoDS4000seriesnames . . . 3

3. Machinetypes,supportedcontrollerfirmware versions,andsupportedStorageManagersoftware 4 4. Oldandnewterminology . . . 6

5. Storagesubsystemphysicalcomponents . . . 13

6. Storagesubsystemlogicalcomponents . . . 13

7. StoragepartitioningspecificationsperDS4000storagesubsystemmodel . . . 14

8. Storagemanagementarchitecture hardwarecomponents . . . 20

9. Defaultsettingsforcontrollerswithfirmwareversion05.00.xxorlater . . . 23

10. SubsystemManagementwindowtabs . . . 31

11. TheSubsystemManagement windowmenus . . . 32

12. Commandlineparameters . . . 39

13. RAIDlevelconfigurations. . . 52

14. Errorsdiscovered duringa mediascan. . . 57

15. Restrictionstocopyservicespremiumfeaturesupport . . . 60

16. Storagepartitioningterminology . . . 70

17. Storagesubsystemstatusiconquickreference. . . 78

18. PerformanceMonitortuningoptionsintheSubsystemManagementwindow . . . 93

19. Criticalevents . . . 97

20. DS4000StorageManagerVersion9titlesbyusertasks . . . 119

21. DS4800StorageSubsystemdocumenttitlesbyusertasks . . . 120

26. DS4200ExpressStorageSubsystemdocumenttitlesbyuser tasks . . . 125

28. DS4000StorageExpansionEnclosuredocumenttitlesbyusertasks . . . 127

29. DS4000andDS4000–relateddocumenttitlesbyusertasks . . . 128

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About

this

document

This documentprovidestheconceptualframeworktohelp youunderstandthe IBM®®_System_Storage™®_DS4000_Storage_Manager_Version_9.23_for_the_following

operating-systemenvironments: v Microsoft ® Windows®® Server2003 v SunSolaris v Hewlett-PackardHP-UX v IBMAIX ®®

v RedHat andSUSELinux

®

v RedHat andSUSELinuxonPOWER

™

v VMWareESXserver

Usethisguidetobetter understandthestoragemanagersoftwareandtoperform thefollowingtasks:

v Determinewhatstorage-subsystem configurationyouwilluse tomaximizedata

availability

v Setupalertnotificationsandmonitoryourstoragesubsystemsina management

domain

v Identifystoragemanagerfeaturesthatareuniquetoyourspecificinstallation

Who

should

read

this

document

This documentisintended forsystemadministratorsandstorageadministrators who areresponsibleforsettingupandmaintainingthestoragesubsystem.Readers shouldhave knowledgeof redundantarrayof independentdisks(RAID),small computer systeminterface (SCSI),andFibreChanneltechnology.They shouldalso have workingknowledgeoftheapplicable operatingsystemsthatareused withthe management software.

DS4000

Storage

Subsystem

installation

tasks

-

General

overview

Table1 onpage xiiprovidesa sequentiallistofmanyinstallationandconfiguration tasksthatarecommonto mostDS4000™configurations.Whenyouinstall and configureyourDS4000storagesubsystem,referto thistable tofindthe documentation thatexplainshow tocompleteeachtask.

Seealso: TheDS4000Storage ServerandStorageExpansionEnclosureQuick

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Table1.WheretofindDS4000installationandconfigurationprocedures Installationtask Wheretofindinformationorprocedures 1 Plantheinstallation v

DS4000StorageManagerConceptsGuide v

DS4000StorageManagerInstallationandSupportGuidefor

AIX,HP-UX,SolarisandLinuxonPOWER

v DS4000StorageManagerInstallationandSupportGuidefor

Windows2000/Server2003,NetWare,ESXServer,and Linux

v

DS4100StorageSubsystemInstallation,User’s,and

MaintenanceGuide

v DS4200ExpressStorage

™_Subsystem_{Installation,}_User’s,

andMaintenanceGuide

v

DS4300StorageSubsystemInstallation,User's,and

MaintenanceGuide

v DS4400FibreChannelStorageServerInstallationand

SupportGuide

v

DS4500StorageSubsystemInstallation,User's,and

MaintenanceGuide

v DS4700StorageSubsystemInstallation,User’s,and

MaintenanceGuide

MaintenanceGuide 2 MounttheDS4000

storagesubsystemin therack

MaintenanceGuide

v

MaintenanceGuide

v DS4400andDS4500RackMountingInstructions v DS4300RackMountingInstructions

v DS4200ExpressStorageSubsystemInstallation,User’s,and

MaintenanceGuide

v DS4100StorageSubsystemInstallation,User’sand

MaintenanceGuide 3 MounttheDS4000

EXPstorage expansionunitinthe rack

v DS4000EXP100StorageExpansionUnitInstallation,User’s

andMaintenanceGuide

v

DS4000EXP420StorageExpansionEnclosuresInstallation,

User’s,andMaintenanceGuide

v DS4000EXP700andEXP710StorageExpansionEnclosures

Installation,User’s,andMaintenanceGuide

v

DS4000EXP810StorageExpansionEnclosuresInstallation,

User’s,andMaintenanceGuide

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Table1.WheretofindDS4000installationandconfigurationprocedures (continued) Installationtask Wheretofindinformationorprocedures

4 Routethestorage expansionunitFibre Channelcables

v

MaintenanceGuide

v

DS4400FibreChannelCablingInstructions v

MaintenanceGuide

v

MaintenanceGuide 5 Routethehost

serverFibreChannel cables

v

MaintenanceGuide

v

DS4400FibreChannelCablingInstructions v

MaintenanceGuide

v

MaintenanceGuide 6 Powerupthe

subsystem

v

MaintenanceGuide

v

DS4400FibreChannelStorageServerInstallationand

SupportGuide

MaintenanceGuide

v

MaintenanceGuide

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7 ConfigureDS4000 networksettings

v

MaintenanceGuide

v

SupportGuide

MaintenanceGuide

v

MaintenanceGuide

MaintenanceGuide 8 Zonethefabric

switch

(SAN-attachedonly)

v DS4000StorageManagerCopyServicesGuide(describes switchzoningfortheRemoteMirrorOption)

v

Seealsothedocumentationprovidedbytheswitch manufacturer. 9 InstallDS4000 StorageManager softwareonthe managementstation v

v DS4000StorageManageronlinehelp(forpost-installation tasks)

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14 VerifyDS4000 subsystemhealth

v

MaintenanceGuide

v

SupportGuide

MaintenanceGuide

v

MaintenanceGuide

MaintenanceGuide 15 EnableDS4000

StorageManager premiumfeature keys

CopyServicespremiumfeatures

DS4000StorageManagerCopyServicesGuide FC/SATAIntermixpremiumfeature

DS4000FibreChannelandSerialATAIntermix PremiumFeatureInstallationOverview StoragePartitioning(andgeneralpremiumfeatures information)

v DS4000StorageManagerConceptsGuide v DS4000StorageManagerInstallationandSupport

GuideforAIX,HP-UX,SolarisandLinuxonPOWER

v

DS4000StorageManagerInstallationandSupport

GuideforWindows2000/Server2003,NetWare, ESXServer,andLinux

16 Configurearraysand logicaldrives

v

DS4000StorageManageronlinehelp

17 Configurehost partitions

18 Verifyhostaccessto DS4000storage

How

this

document

is

organized

Chapter1,“Introduction,” onpage1 providesanintroductionof theIBMDS4000 Storage ManagerVersion9.16,comparesstoragesubsystemmanagement

methods,anddescribestheDS4000StorageManagerEnterpriseManagement and SubsystemManagement windows.

Chapter2,“Storing andprotectingyourdata,” onpage 45describesthevarious data protectionfeaturesof theDS4000StorageSubsystem.Thesefeatures include input/output (I/O)datapathfailoversupport,MediaScan,andcopyservices. Chapter3,“Configuringstoragesubsystems,”onpage 69describesthe

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include configuringarraysandlogicaldrives,andmappingtheselogicaldrivesto separate hostswhentheStoragePartitioningpremiumfeatureisenabled.

Chapter4,“Maintainingandmonitoringstoragesubsystems,” onpage 75,describes how tomonitorstoragesubsystemsinamanagementdomain.This chapteralso providestheprocedureto setupalertnotificationsthatwillautomaticallyreceive informationintheeventof afailure.

Chapter5,“Tuningstoragesubsystems,” onpage93discussesthetuningoptions thatareavailableinIBMDS4000Storage ManagerVersion9.16.

Chapter6,“Criticaleventproblemsolving,”onpage97providesa listofallthe critical eventsthatthestoragemanagementsoftwaresendsif afailureoccurs.The list includesthecritical eventnumber,describesthefailure,andrefersyouto the procedure tocorrectthefailure.

AppendixA,“Onlinehelp taskreference,”onpage113providesatask-basedindex to theappropriateonlinehelp.There aretwoseparate onlinehelpsystemsinthe storage-management softwarethatcorrespondtoeach mainwindow:theEnterprise Management windowandtheSubsystemManagement window.

AppendixB,“AdditionalDS4000documentation,”onpage119providesa bibliographyof additionaldocumentation.

AppendixC,“Accessibility,”onpage129providesinformationonaccessibility.

Notices

that

this

document

uses

This documentcontainsthefollowingnotices designedto highlightkey information: v Note:Thesenotices provideimportanttips, guidance,oradvice.

v Important:Thesenotices provideinformationthatmighthelpyou avoid

inconvenientorproblemsituations.

v Attention:Thesenoticesindicatepossibledamagetoprograms, devices,or

data.An attentionnoticeisplacedjustbeforetheinstructionor situationinwhich damagecouldoccur.

Getting

information,

help,

and

service

If youneedhelp, service,ortechnicalassistanceorjust wantmoreinformation about IBMproducts,youwillfindawidevarietyof sourcesavailablefromIBMto assist you.Thissectioncontainsinformationabout whereto gofor additional informationabout IBMandIBMproducts,whatto doif youexperienceaproblem withyoursystem,andwhomtocallfor service,if itisnecessary.

Before

you

call

Before youcall,take thesestepstotrytosolvetheproblemyourself: v Checkallcablesto makesurethattheyareconnected.

v Checkthepowerswitchesto makesurethatthesystemisturned on.

v Usethetroubleshooting informationinyoursystem documentation,andusethe

diagnostictoolsthatcomewithyoursystem.

v Checkfor technicalinformation,hints,tips,andnew devicedriversattheIBM

supportWebsite pagesthatarelistedinthis section.

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You cansolvemanyproblemswithoutoutsideassistancebyfollowingthe troubleshooting proceduresthatIBMprovidesintheDS4000Storage Manager onlinehelp orinthedocumentsthatareprovidedwithyoursystemandsoftware. Theinformationthatcomeswithyoursystemalso describesthediagnostictests thatyoucan perform.Most subsystems,operatingsystems,andprogramscome withinformationthatcontainstroubleshootingproceduresandexplanationsoferror messages anderrorcodes.If yoususpectasoftwareproblem,seetheinformation for theoperatingsystemor program.

Using

the

documentation

Informationabout yourIBMsystem andpreinstalledsoftware,ifany, isavailablein thedocumentsthatcomewithyoursystem.Thisincludesprintedbooks,online documents, readmefiles,andhelpfiles.Seethetroubleshootinginformationinyour system documentationforinstructionsfor usingthediagnosticprograms.The troubleshooting informationorthediagnosticprogramsmighttellyouthatyouneed additionalor updateddevicedriversorothersoftware.

Web

sites

Themost up-to-dateinformationaboutDS4000storagesubsystemsandDS4000 Storage Manager,includingdocumentationandthemost recentsoftware,firmware, andNVSRAMdownloads,canbefoundat thefollowing Websites.

DS4000MidrangeDiskSystems

FindthelatestinformationaboutIBMSystemStoragediskstoragesystems, includingallof theDS4000storagesubsystems:

www-1.ibm.com/servers/storage/disk/ds4000/

IBM SystemStorageproducts

Findinformationabout allIBMSystemStorage products: www.storage.ibm.com/

Support forIBMSystemStoragediskstoragesystems

Findlinksto supportpagesfor allIBMSystemStorage diskstorage systems,includingDS4000storagesubsystemsandexpansionunits: www-304.ibm.com/jct01004c/systems/support/supportsite.wss/ brandmain?brandind=5345868

System StorageDS4000interoperabilitymatrix

Findthelatestinformationaboutoperating systemandHBAsupport, clusteringsupport,storageareanetwork (SAN)fabricsupport,andDS4000 Storage Managerfeaturesupport:

www-1.ibm.com/servers/storage/disk/ds4000/interop-matrix.html

DS4000StorageManagerreadmefiles

1. Goto thefollowing Website:

www-304.ibm.com/jct01004c/systems/support/supportsite.wss/ brandmain?brandind=5345868

2. In theProductfamilydrop-downmenu,selectDisksystems,andinthe

Productdrop-downmenu,selectyourStorage Subsystem(forexample,

DS4800MidrangeDiskSystem). ThenclickGo.

3. Whenthesubsystemsupportpageopens,clicktheInstall/usetab,then

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4. Whenthedownloadpageopens,ensurethattheStorageMgrtabis

selected.Atable displays.

5. In thetable,findtheentrythatliststheStorageManagerpackagefor

youroperating system,thenclickonthecorrespondingv9.xxlink inthe “Currentversionandreadmes” column.TheStorage Managerpagefor youroperating systemopens.

6. Click thelink forthereadmefile.

StorageAreaNetwork(SAN)support

Findinformationabout usingSANswitches,includinglinkstouserguides andotherdocuments:

www.ibm.com/servers/storage/support/san/index.html

DS4000 technicalsupport

Finddownloads,hintsandtips,documentation,parts information,HBAand FibreChannelsupport:

www-304.ibm.com/jct01004c/systems/support/supportsite.wss/

brandmain?brandind=5345868IntheProductfamilydrop-downmenu,select

Disksystems,andintheProductdrop-downmenu,selectyourStorage Subsystem(for example,DS4800 MidrangeDiskSystem).ThenclickGo. Premiumfeatureactivation

Generate aDS4000premiumfeatureactivationkeyfilebyusingtheonline tool:

www-912.ibm.com/PremiumFeatures/jsp/keyInput.jsp

IBM publicationscenter

FindIBMpublications:

www.ibm.com/shop/publications/order/

Support forSystemp™servers

FindthelatestinformationsupportingSystempAIXandLinuxservers: www-304.ibm.com/jct01004c/systems/support/supportsite.wss/

brandmain?brandind=5000025

Support forSystemx™servers

FindthelatestinformationsupportingSystemxIntel®-andAMD-based servers:

www-304.ibm.com/jct01004c/systems/support/supportsite.wss/ brandmain?brandind=5000008

FixdeliverycenterforAIXandLinuxon POWER

FindthelatestAIXandLinuxonPOWERinformationanddownloads: www-912.ibm.com/eserver/support/fixes/fcgui.jsp

In theProductfamilydrop-downmenu,selectUNIX® _servers._Then_select

yourproductandfixtypefromthesubsequent drop-downmenus. EserverSystem pandAIXinformationcenter

Findeverythingyou needtoknowabout usingAIXwithSystempand POWERservers:

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Support forLinuxonSystemp

Findinformationabout usingLinuxonSystempservers: www.ibm.com/servers/eserver/pseries/linux/

Linuxon POWERresourcecenter

Findinformationabout usingLinuxonPOWERservers: www.ibm.com/servers/enable/linux/power/

Software

service

and

support

ThroughIBMSupportLine, forafeeyoucangettelephoneassistancewithusage, configuration,andsoftwareproblems.For informationaboutwhich productsare supportedbySupportLineinyourcountryorregion,gotothefollowingWebsite: www.ibm.com/services/sl/products/

For moreinformationabouttheIBMSupportLineandotherIBMservices,gotothe following Websites:

v www.ibm.com/services/

v www.ibm.com/planetwide/

Hardware

service

and

support

You canreceivehardwareservice throughIBMIntegratedTechnologyServicesor throughyourIBMreseller,if yourresellerisauthorizedbyIBMtoprovidewarranty service.GotothefollowingWebsitefor supporttelephonenumbers:

www.ibm.com/planetwide/

In theU.S.andCanada,hardware serviceandsupportisavailable24hours aday, 7 daysa week.IntheU.K.,theseservicesareavailableMonday throughFriday, from9 a.m.to6 p.m.

Fire

suppression

systems

Afiresuppressionsystemistheresponsibilityof thecustomer.Thecustomer’sown insuranceunderwriter,localfiremarshal,or alocalbuildinginspector,or both, shouldbeconsultedinselectingafiresuppressionsystemthatprovidesthecorrect levelof coverageandprotection.IBMdesignsandmanufacturesequipmentto internalandexternal standardsthatrequirecertainenvironmentsforreliable operation.BecauseIBMdoesnottestanyequipmentfor compatibilitywithfire suppressionsystems,IBMdoesnotmakecompatibility claimsof anykindnordoes IBMproviderecommendationsonfiresuppressionsystems.

How

to

send

your

comments

Your feedbackisimportant tohelpusprovidethehighestqualityinformation. Ifyou have anycommentsaboutthis document,youcansubmittheminoneofthe following ways:

E-mail

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Be suretoinclude thename andordernumberof thedocumentand,if applicable,thespecificlocationof thetextthatyou arecommentingon, suchasapagenumberortable number.

Mail

FillouttheReaders’Commentsform(RCF)atthebackofthisdocument andreturnit bymailorgive itto anIBMrepresentative.

If theRCFhasbeen removed,sendyourcommentsto: International BusinessMachinesCorporation

InformationDevelopment Department GZW 9000 SouthRitaRoad Tucson,Arizona USA

85744-0001

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Chapter

1. Introduction

This conceptsguideprovidestheconceptual frameworkthatisnecessary to understandtheterminologyandfeaturesof theIBMDS4000Storage Manager Version9.23.

Storage

Manager

documentation

and

readme

files

Beforeyou installtheIBMDS4000Storage Managersoftware,consult thefollowing documentation:

StorageManagerreadmefiles

Readthesefirst.

1. For themost recentStorage Managerreadmefilesfor youroperating

system,seethefollowingWebsite:

www-1.ibm.com/servers/storage/support/disk/ 2. Click thelink foryourstoragesubsystem.

3. Whenthesubsystempageopens,clicktheDownloadtab.

4. Whenthedownloadpageopens,clicktheStorageMgrtabthenclick

ontheappropriatelink undertheCurrentVersionsandReadmes column.

Important:Updatedreadmefilescontainthelatestdevicedriver versions, firmware levelsandotherinformationthatsupersedesthisdocument.

IBM DS4000StorageManagerInstallationandSupportGuides

Usetheinstallationandsupportguideforyouroperating systemorplatform to setup,install,configure,andworkwiththeIBMDS4000Storage

ManagerVersion9.23.

AfteryoucompletealloftheStorageManagerandhost installationprocedures, referto thefollowing onlinehelpsystems,whichcontaininformationandprocedures thatarecommonto allhostoperatingsystem environments.

EnterpriseManagement windowhelp

Usethisonlinehelpsystem tolearnmore aboutworkingwiththeentire management domain.

SubsystemManagement windowhelp

Usethisonlinehelpsystem tolearnmore aboutmanagingindividual storagesubsystems.

Note: ToaccessthehelpsystemsfromtheEnterpriseManagementand

SubsystemManagementwindows inIBMDS4000StorageManagerVersion 9.1x,clickHelp onthetoolbar,or pressF1.

Product

updates

Important

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Downloadthelatestversionsof theDS4000 StorageManagerhostsoftware, DS4000 storageservercontrollerfirmware,DS4000driveexpansion enclosureESM firmware,anddrivefirmware atthetimeof theinitial installationandwhenproduct updates becomeavailable.

Tobenotifiedof importantproductupdates,youmust firstregisterattheIBM Support andDownloadWebsite:

www-1.ibm.com/servers/storage/support/disk/index.html

In theAdditionalSupportsectionof theWebpage, clickMysupport.Onthenext page, ifyouhave notalreadydoneso,registertousethesitebyclickingRegister now.

Perform thefollowing stepsto receiveproductupdates:

1. Afteryouhave registered,type youruserIDandpasswordtologintothesite.

TheMysupportpageopens.

2. Click Addproducts.Apull-downmenu displays.

3. In thepull-downmenu,selectStorage.Another pull-downmenudisplays.

4. In thenewpull-downmenu,andinthesubsequentpull-downmenusthat

display,selectthefollowingtopics: v ComputerStorage

v DiskStorageSystems

v TotalStorage

®

DS4000MidrangeDiskSystems&FAStTStorSrvrs

Note: Duringthisprocess achecklistdisplays. Donotcheck anyoftheitems

inthechecklist untilyoucompletetheselectionsinthepull-down menus.

5. Whenyou finishselectingthemenu topics,placeacheckintheboxforthe

machinetypeof yourDS4000seriesproduct,aswellasanyotherattached DS4000seriesproduct(s) forwhichyou wouldliketoreceive information,then clickAdd products.TheMySupport pageopensagain.

6. OntheMySupportpage, clicktheEditprofiletab,thenclickSubscribeto

email.Apull-downmenu displays.

7. In thepull-downmenu,selectStorage.Achecklistdisplays.

8. Place acheckineachof thefollowingboxes:

a. Please sendthesedocumentsbyweeklyemail

b. Downloadsanddrivers

c. Flashes

d. Anyothertopicsthatyoumay beinterestedin

Then, clickUpdate.

9. Click Signoutto logoutofMySupport.

FAStT

product

renaming

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Table2.MappingofFAStTnamestoDS4000seriesnames

PreviousFAStTProductName CurrentDS4000ProductName

IBMTotalStorageFAStTStorageServer IBMTotalStorageDS4000

FAStT DS4000

FAStTFamily DS4000Mid-rangeDiskSystem

FAStTStorageManagervX.Y(forexample v9.10)

DS4000StorageManagervX.Y(forexample v9.10)

FAStT100 DS4100

FAStT600 DS4300

FAStT600withTurboFeature DS4300Turbo

FAStT700 DS4400

FAStT900 DS4500

EXP700 DS4000EXP700

EXP710 DS4000EXP710

EXP100 DS4000EXP100

FAStTFlashCopy® _FlashCopy_for_DS4000

FAStTVolumeCopy VolumeCopyforDS4000

FAStTRemoteMirror(RM) EnhancedRemoteMirroringforDS4000 FAStTSynchronousMirroring MetroMirroringforDS4000

GlobalCopyforDS4000

(NewFeature=AsynchronousMirroring withoutConsistencyGroup)

GlobalMirroringforDS4000

(NewFeature=AsynchronousMirroringwith ConsistencyGroup)

Machine

types

and

supported

software

Table3 onpage 4providesa listofmachinetypesandsupportedstorage management software.

Notes:

1. Controllerfirmware versions06.14.xx.xxandhighersupportDS4800storage

subsystemsonly.AllotherDS4000StorageSubsystemscontinueto run firmware versionspriorto 6.14.xx.xx.

2. Storage subsystemcontrollerfirmwaremust beat version4.01.xx.xx,or later

(05.xx.xx.xxor laterwithWindowshostservers)to bemanaged byStorage ManagerVersion9.1x.Theonly StorageManagerversion9.1x functionthatyou canperformonastoragesubsystemwithcontrollerfirmware earlierthan

04.01.xx.xxisdownloadfirmwareinordertoupgradethecontrollerfirmware to a firmwareversionlaterthan4.01.xx.xx.

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Table3.Machinetypes,supportedcontrollerfirmwareversions,andsupportedStorage Managersoftware Productname Machine type Model Controller firmware version Supportedstorage managersoftware version IBMTotalStorageDS4800 StorageSubsystem 1815 80A/H 06.16.xx.xx, 06.23.xx.xx 9.16,9.19,9.23 IBMTotalStorageDS4800 StorageSubsystem 1815 82A/H 84A/H 88A/H 06.14.xx.xx, 06.15.xx.xx, 06.16.xx.xx, 06.23.xx.xx 9.14,9.15,9.16, 9.19,9.23

IBMTotalStorageDS4200Disk StorageSubsystem

1814 7VA/H 06.16.xx.xx,

06.23.xx.xx

9.16,9.19,9.23

IBMTotalStorageDS4700Disk StorageSubsystem 1814 70A/H, 72A/H, 70T/S, 72T/S 06.16.xx.xx, 06.23.xx.xx 9.16,9.19,9.23 IBMTotalStorageDS4100 StorageSubsystem(BaseModel)

1724 100 6.10.xx.xx, 06.12.xx.xx 8.42,9.10,9.12, 9.14,9.15,9.16, 9.19,9.23 IBMTotalStorageDS4100 StorageSubsystem(Single ControllerModel)

1724 1SC

1S

5.42.xx.xx,

06.12.xx.xx

IBMTotalStorageDS4500Disk StorageSubsystem 1742 90X 90U 5.30.xx.xx, 5.40.xx.xx, 5.41.xx.xx (supports EXP100 only), 6.10.xx.xx, 06.12.xx.xx, 06.19.xx.xx, 06.23.xx.xx 8.3,8.4,8.41,8.42, 9.10,9.12,9.14, 9.15,9.16

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Table3.Machinetypes,supportedcontrollerfirmwareversions,andsupportedStorage Managersoftware (continued)

Productname Machine type Model Controller firmware version Supportedstorage managersoftware version

IBMTotalStorageDS4300Disk StorageSubsystem(Single Controller) 1722 6LU 6LX 5.34.xx.xx 8.41.xx.03orlater, 8.42,9.10,9.12, 9.14,9.15,9.16, 9.19,9.23

IBMTotalStorageDS4300Disk StorageSubsystem(BaseModel)

60U 60X 5.33.xx.xx, 5.34.xx.xx, 5.40.xx.xx, 6.10.xx.xx, 6.12.xx.xx, 06.19.xx.xx, 06.23.xx.xx 8.3,8.4,8.41,8.42, 9.10,9.12,9.14, 9.15,9.16,9.19, 9.23

IBMTotalStorageDS4300Disk StorageSubsystem(Turbo Model) 60U 60X 5.41.xx.xx (supports EXP100 only), 6.10.xx.xx, 6.12.xx.xx, 06.19.xx.xx, 06.23.xx.xx

IBMNetfinity®_FAStT500_RAID

ControllerEnclosureUnit(no longeravailableforpurchase)

3552 1RU 1RX 4.x, 5.00.xx.xx, 5.20.xx.xx, 5.21.xx.xx, 5.30.xx.xx 7.0,7.01,7.02, 7.10,8.0,8.2,8.21, 8.3,8.41,8.42, 9.10,9.12,9.14, 9.15,9.16,9.19, 9.23

IBMFAStT200HighAvailability (HA)StorageSubsystem(no longeravailableforpurchase)

3542 2RU 2RX 4.x, 5.20.xx.xx, 5.30.xx.xx 7.02,7.10,8.0,8.2, 8.21,8.3,8.41, 8.42,9.10,9.12, 9.14,9.15,9.16, 9.19,9.23

IBMFAStT200Storage Subsystem(nolongeravailable forpurchase) 3542 1RU 1RX 4.x, 5.20.xx.xx, 5.30.xx.xx 7.02,7.10,8.0,8.2, 8.21,8.3,8.41, 8.42,9.10,9.12, 9.14,9.15,9.16, 9.19,9.23

IBMNetfinityFibreChannelRAID ControllerUnit(nolonger

availableforpurchase)

3526 1RU 1RX 4.x 7.0,7.01,7.02, 7.10,8.0,8.2,8.21, 8.3,8.41,8.42, 9.10,9.14,9.15, 9.16 Notes:

1. Allofthecontrollerfirmwareversionslistedinthetable areavailable

free-of-charge.

2. Storage subsystemswithcontrollerfirmwareversion04.00.02.xx through

4.01.xx.xx mustbemanagedwithStorageManager8.x.

3. Controllerfirmware level06.12.xx.xxsupportsEXP100SATAexpansion

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v DS4300Turbomodels

v DS4400

v DS4500

If youwantto upgradeto06.12.xx.xxandyourcontrollerfirmware levelis currently 05.41.1x.xx,you mustfirstupgradetofirmware version05.41.5x.xx (provided ontheCDthatisshippedwiththeEXP100.)Afteryourfirmware isat level05.41.5x.xx,youcanthenupgradeto 06.12.xx.xx.

4. Firmware levels5.40.xx.xxandearlierprovidesupportforEXP500andEXP700

storageexpansion enclosuresonly.For EXP710support,firmwareversions 06.1x.xx.xxor laterarerequired.

Note: Firmwareversions06.10.11.xxandlatersupportintermixing Fibre

ChannelandSATAstorageexpansionenclosuresinthesameDS4000 storagesubsystem,iftheDS4000FC/SATAIntermixpremiumfeature optionispurchased.ContactyourIBMrepresentativesorresellerfor moreinformation.

See“Machinetypesandsupportedsoftware”onpage3 forthelatestfirmware versionsthatareavailableforspecificDS4000StorageSubsystemmodels. 5. Controllerfirmware 06.16.xx.xxisrequiredtosupporttheDS4000EXP810drive

expansion enclosure;itdoes notsupporttheEXP100driveexpansion enclosures.DonotdownloadthecontrollerfirmwareintoDS4000storage subsystemsthathave EXP100enclosuresattached.Oncethe06.16.xx.xx controllerfirmwareisactivated,theDS4000storagesubsystemwillnot

recognizethedrivesintheEXP100enclosures,causinglost ofdataavailability to theRAIDarrays/logical drivesthataredefinedinthosedrives.

6. Controllerfirmware 06.23.xx.xxsupports theattachmentof DS4000EXP810,

EXP710,andEXP100drive expansionenclosures.

Terms

to

know

If youareupgradingfromapreviousversionofStorage Manager,youwillfindthat someof theterms thatyouarefamiliar withhave changed.Itisimportant thatyou familiarize yourselfwiththenewterminology.Table4providesalistof someof the oldandnew terms.

Table4.Oldandnewterminology

Termusedinpreviousversions Newterm

RAIDmoduleorstoragearray Storagesubsystem

Drivegroup Array

Logicalunitnumber(LUN)(Seenote) LUN

Drivemodule storageexpansionenclosure

Controllermodule Controllerenclosure

EnvironmentalcardCRU Environmentalservicemodule(ESM) Customerreplaceableunit(CRU)

Fancanister FanCRU

Power-supplycanister Power-supplyCRU

LED Indicatorlight

Auto-volumetransfer Autological-drivetransfer

Volume Logicaldrive

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Table4.Oldandnewterminology (continued)

Termusedinpreviousversions Newterm

Volumegroup Array

Note:InStorageManager7.10andlater,thetermlogicalunitnumber(LUN)referstoa logicaladdressthatisusedbythehostcomputertoaccessalogicaldrive.

It isimportanttounderstandthedistinctionbetweenthefollowingtwoterms when readingthis document:

Management station

Amanagement stationisasystemthatisusedto managethestorage subsystem.Itisattachedto thestoragesubsysteminoneofthefollowing ways:

v Througha TCP/IPEthernetconnectionto thecontrollersinthestorage

subsystem

v Througha TCP/IPconnection tothehost-agentsoftwarethatisinstalled

ona hostcomputerthatisdirectlyattached tothestoragesubsystem throughtheFibreChannelI/Opath

Host andhostcomputer

Ahost computerisasystem thatisdirectly attachedto thestorage

subsystemthroughaFibreChannelI/Opath.Thissystemisusedto dothe following tasks:

v Servedata(typicallyintheformof files)fromthestoragesubsystem

v Functionasaconnection pointtothestoragesubsystemforaremote

managementstation

Notes:

1. Theterms hostandhostcomputerareusedinterchangeablythroughoutthis

document.

2. Ahostcomputercanalso functionasamanagement station.

New

features

and

enhancements

DS4000Storage Manager9.23supportscontrollerfirmwareversions4.01.xx.xx -06.23.xx.xx.

DS4000Storage Manager9.23(withcontrollerfirmware06.23.xx.xx)provides supportfor attachmentofDS4000EXP810,EXP710,andEXP100Storage ExpansionEnclosuresto DS4800,DS4700,DS4500,andDS4300Storage SubsystemsandDS4000EXP420StorageExpansionEnclosuretoDS4200 Storage Subsystems.

Notes:

1. For moreinformationaboutcurrentStorageManagercontrollerfirmwaresupport

for thevariousDS4000storagesubsystems,seetheIBMDS4000Storage

ManagerInstallationandUser’sGuidefor yourhostoperatingsystem.

2. For informationaboutsupportedhostoperatingsystemsandoperating system

requirements, seetheStorageManagerreadmefileforyour operatingsystem. Seesection“Storage Managerdocumentationandreadmefiles”onpage1for instructionsthatdescribehowtofind thereadmefilesonline.

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FAStT

product

renaming

IBMisintheprocess ofrenamingsomeFAStTfamilyproducts.Fora reference guidethatidentifieseachnew DS4000productnamewithitscorrespondingFAStT productname,see“FAStTproductrenaming” onpage2.

Controller

firmware

6.23:

New

features

Controllerfirmware version6.23.xx.xxprovidessupportfor: v New4Gbps300GB/15KrpmFiberChannelDiskDriveModule

v New750GBSerialATADiskDriveModule

v DS4700andEXP810FibreChannelandSATADriveintermix withinthesame

driveexpansion enclosure

v Intermixingof DS4000EXP810withDS4000EXP710and/orEXP100storage

expansionenclosuresbehindtheDS4800-allmodels, DS4700-allmodels, DS4500-allmodels,andDS4300Standard-Dual ControllermodelsorTurbo models

v EnhancedDiskDrivePredictiveFaultAnalysis

Controller

firmware

6.19:

New

features

Controllerfirmware version6.19.xx.xxprovidessupportfor:

v AttachingtheDS4000EXP810storageexpansionenclosuretotheDS4300

Standard-DualControllermodelsorTurbomodelsandtheDS4500

v Intermixingof DS4000EXP810withDS4000EXP710and/orEXP100storage

expansionenclosuresbehindtheDS4300Standard-Dual Controllermodelsor Turbomodels andtheDS4500-Allmodels

v DaylightsavingtimeasrequiredbytheenactmentoftheUnitedStates’sEnergy

PolicyActor2005.

Controller

firmware

6.16:

New

features

Withcontrollerfirmwareversion6.16.xx.xx,youcan connectDS4000EXP810 storageexpansion enclosurestoDS4800storagesubsystems.Controllerfirmware version 6.16.xx.xxsupports:

v DS4800,DS4700,DS4200storagecontrollersubsystem

v EXP710andEXP810storageexpansionenclosureattachmenttoDS4800and

DS4700storagecontrollersubsystems

v DS4000EXP420storageexpansionenclosureattachmenttotheDS4200storage

controllersubsystem

v Intermixingfibrechannel driveenclosuresandSATAdrive enclosuresto a

DS4800orDS4700

v Allofthefeatureslistedin“Controllerfirmware 6.14and6.15:Newfeatures”and

“Controllerfirmware6.12:Newfeatures”onpage9.

Controller

firmware

6.14 and

6.15:

New

features

Withcontrollerfirmwareversion6.15.xx.xx,theDS4800storagesubsystemutilizes allof theavailabledatacachememoryinstalledineach controllerbladeforI/O caching.(Withcontrollerfirmwareversion06.14.xx.xx,theDS4800usesonly the first 1GBof theinstalleddatacachememorypercontrollerforI/Ocaching.) Controllerfirmware versions6.14.xx.xx and6.15.xx.xxsupport:

v DS4800storagesubsystem(only)

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v Allof thefeatureslistedin“Controllerfirmware 6.12:Newfeatures”

and“Controllerfirmware6.10:Newfeatures.”

Controller

firmware

6.12:

New

features

Controllerfirmware 6.12.xx.xxandlaterversionsallofthefeatureslistedin “Controllerfirmware 6.10:Newfeatures”inaddition tothefollowingnew features:

DS4000FC/SATAIntermixupdate:PremiumFeatureKey

DS4000Storage Manager9.1xwithcontrollerfirmware 06.12.xx.xx(and later)supports enablingof theDS4000FC/SATAIntermixpremiumfeature usingaPremiumFeatureKey.

For moreinformationaboutusingtheIntermixpremiumfeature,including configurationandset-uprequirements, seetheIBMTotalStorage DS4000

FibreChannelandSerialATAIntermixPremiumFeatureInstallation

Overview.

NewDS4000StorageManagerinstallationoption

DS4000Storage Manager9.1xwithcontrollerfirmware 06.12.xx.xx(and later)featuresaninstallationwizardthatenablesyouto automaticallyinstall Storage Managersoftwarepackagesonyourhostserver.

Note: UsingtheDS4000StorageManagerinstallationwizardrequiresa

systemwithagraphicscardinstalled.Youstillhave theoptionof installingthestand-alonehostsoftwarepackagesmanually.The packagesareincludedwiththeinstallationCD.

Support forDS4100standard(base)SATAStorageSubsystems

Storage Manager9.1xwithcontrollerfirmware06.12.xx.xx(andlater) supports DS4100Standard(Base) SATAStorageSubsystems.

Note: TheVolumeCopy,FC/SATAIntermixandEnhancedRemote

Mirroringpremiumfeaturesarenotsupportedat thistimewiththe DS4100Standard(Base)StorageSubsystem.Also, theDS4100 Standard(Base)StorageSubsystemisnotsupportedonAIXhost operatingsystems.

DS4000StorageManagerusabilityenhancements

DS4000Storage Manager9.12andlaterversionsfeaturethefollowing usabilityenhancements:

v StoragePartitioningwizard,which helpsyoueasily createstorage

partitions

v TaskAssistant,whichhelpsguideyouthroughcommonenterpriseand

subsystemmanagement tasks

v AbilitytoextractSMARTdataforSATAdrives

Controller

firmware

6.10:

New

features

Controllerfirmware 6.10.xx.xxandlaterversionssupportthefollowingnew features:

EnhancedRemoteMirroring

In additionto MetroMirroring,IBMDS4000StorageManagerversion9.1x withcontrollerfirmware level6.10.11.xx(andlater)also supportsGlobal CopyandGlobalMirroringRemote Mirroroptions.PleaseseetheIBM

TotalStorage DS4000StorageManagerVersion9 CopyServices User’s

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Note: Theterms“EnhancedRemote MirrorOption,”“Metro/GlobalRemote

MirrorOption,”“Remote Mirror,”“RemoteMirrorOption,” and “RemoteMirroring”areusedinterchangeablythroughoutthis document,theSMclient,andtheonlinehelpsystemto referto remotemirroringfunctionality.

Parallel harddrivefirmwaredownload

You cannowdownloaddrive firmwarepackagestomultipledrives simultaneously,which minimizesdowntime.In addition,allfilesthatare associatedwitha firmwareupdatearenow bundledintoa singlefirmware package.SeetheSubsystemManagement windowonlinehelpfordrive firmware downloadprocedures.

Notes:

1. Drivefirmware downloadisanofflinemanagementevent.You must

scheduledowntimefor thedownloadbecauseI/Otothestorage subsystemisnotallowedduringthedrive firmwaredownloadprocess. 2. Parallelharddrive firmwaredownloadisnotthesamethingas

concurrentdownload.

Stagedcontrollerfirmware download

You cannowdownloadtheDS4000controllerfirmwareandNVSRAMto DS4300TurboandDS4500StorageSubsystemfor lateractivation. Depending onyourfirmware version,DS4000Storage Subsystemmodel, andhost operatingsystem,thefollowingoptions mightbeavailable: v Controllerfirmwaredownloadonlywithimmediateactivation

v Controllerfirmwaredownloadwiththeoptionto activatethefirmwareat a

latertime

Note: StagedcontrollerfirmwaredownloadisnotsupportedonDS4400

StorageSubsystems.

SubsystemManagement Windowmenuenhancements

Troubleshooting,recovery andmaintenancetoolsarenow underthe AdvancedheadingintheSubsystemManagementwindow.Thefollowing submenusareavailable:

v Maintenance

v Troubleshooting

v Recovery

Fullcommand-lineinterface capability

AlloftheoptionsthatareavailableinSMclientarealsoavailableusing either thescripteditor intheEnterpriseManagement window,orusingyour preferredcommand-lineinterface.Formoreinformationaboutusingthe command-lineinterface,seetheEnterpriseManagementwindowonline help.

Support forDS4300standard(base)FibreChannelStorageSubsystems

Storage Manager9.1xwithcontrollerfirmware 6.10.xx.xx(andlater) supports DS4300Standard(Base) FibreChannelStorage Subsystems.

Note: TheVolumeCopy,FC/SATAIntermixandEnhancedRemote

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DS4000FC/SATAIntermixpremiumfeature

Storage Manager9.1xwithcontrollerfirmware6.10.xx.xx (andlater) supports theDS4000 FC/SATAIntermixpremiumfeature.Thispremium featuresupportstheconcurrentattachmentofFibreChannelandSATA storageexpansionenclosures toa singleDS4000controllerconfiguration. Withcontrollerfirmware6.10.xx.xxandlaterversions,theFC/SATAIntermix premiumfeatureisenabledusingNVSRAM.

For moreinformationaboutusingtheIntermixpremiumfeature,including configurationandset-uprequirements, seetheIBMTotalStorage DS4000

FibreChannelandSerialATAIntermixPremiumFeatureInstallation

Overview (GC26-7713).

Support forDS4000EXP710storageexpansionenclosures

Storage Manager9.1xwithcontrollerfirmware6.10.xx.xx (andlater) supports DS4000EXP710storageexpansionenclosures.

IncreasedsupportforDS4000EXP100SATAstorageexpansionenclosures

DS4000EXP100SATAstorageexpansionenclosures arenow supported onDS4400FibreChannelStorageSubsystems.

Also, theDS4100storagesubsystemnowsupports upto sevenEXP100 SATAstorageexpansionenclosures.

DS4000StorageManagerusabilityenhancements

DS4000Storage Manager9.10andlaterversionsfeaturethefollowing usabilityenhancements:

v One-clickcollectionof supportdata,drive diagnosticdata,drive channel

statemanagement,controller‘servicemode,’andtheabilityto savehost topologyinformation

v Improvedmediaerrorhandlingforbetter reportingofunreadablesectors

intheDS4000Storage Subsystemeventlog,andpersistentreportingof unreadablesectors

Storage

Manager

premium

features

Thefollowingpremium featurescanbeenabled bypurchasing apremiumfeature key. Forproceduresthatdescribehowtoenablepremium features,seetheIBM

TotalStorage DS4000StorageManagerInstallationandSupportGuideforyour

operating system,andtheSubsystemManagementwindowonlinehelp.

StoragePartitioning

TheStoragePartitions featuregroupslogical drivesinto sets,calledstorage

partitions,to consolidatestorageandreducestoragemanagementcosts.

TheStoragePartitioningfeatureisenabledbydefaultforsomeDS4000 Storage Subsystemmodelsandconfigurations.For moreinformationabout storagepartitions,see“Storage partitioning”onpage 70.

FlashCopy

FlashCopysupportscreatingandmanagingFlashCopylogicaldrives.A FlashCopylogicaldrive isa logicalpoint-in-timeimageof anotherlogical drive,calledabase logicaldrive,thatisinthestoragesubsystem.A FlashCopyisthelogical equivalentofa completephysicalcopy,butyou createitmuchmorequicklyanditrequireslessdiskspace.For more informationabout FlashCopy,see“FlashCopy” onpage62or seetheIBM

TotalStorage DS4000StorageManagerVersion9 CopyServices Guide.

VolumeCopy

(34)

copydatafromonelogicaldrive (thesourcelogical drive)to anotherlogical drive (thetargetlogicaldrive) ina singlestoragesubsystem.The

VolumeCopyfeaturecanbeused tocopydatafromarraysthatuse smaller capacitydrivesto arraysthatuselargercapacitydrives,to backupdata,or to restoreFlashCopylogicaldrive data.TheVolumeCopyfeatureincludesa CreateCopyWizardthatisused toassist increatinga VolumeCopy,anda CopyManagerthatisusedto monitorVolumeCopiesaftertheyhave been created.For moreinformationaboutVolumeCopy,see“VolumeCopy”on

page 63or seetheIBMTotalStorageDS4000Storage ManagerVersion9

CopyServices Guide

EnhancedRemoteMirroring

TheEnhancedRemote Mirroringoptionprovidesreal-timereplication of databetweenstoragesubsystemsoveraremotedistance.Intheeventofa disaster orunrecoverableerrorat onestoragesubsystem,theEnhanced Remote Mirroringoptionenables youtopromotea secondstorage subsystemtotake overresponsibilityfor normalI/Ooperations.For more informationabout theEnhancedRemoteMirroringoption,see“Enhanced Remote Mirroringoption”onpage63orseetheIBMTotalStorageDS4000

Storage ManagerVersion9CopyServices Guide.

FibreChannel/SATAIntermix

TheIBMTotalStorageDS4000 FibreChannelandSerialATAIntermix premium featuresupportstheconcurrentattachmentofFibre Channeland SATAstorageexpansionenclosures toa singleDS4000controller

configuration.

Storage

subsystem

components

Astoragesubsystemcontainsbothphysicalcomponents(suchasdrives,

controllers, fans,andpowersupplies)andlogicalcomponents(suchasarraysand logical drives).Astoragesubsystemmightspan multiplephysicalenclosures dependingonthenumberof drivesandtheRAIDcontrollertechnology.

Storage

subsystem

model

types

TheFAStT500,DS4400,andDS4500,andDS4800storagesubsystem

configurations consistof anindependent RAIDcontrollerenclosureandatleastone storageexpansion enclosure.

TheDS4700,DS4200, FAStT200,DS4300Turbostoragesubsystems,andDS4100 andDS4300base orSCUstoragesubsystemsintegratethestorageexpansion enclosureandtheRAIDcontrollerfunction inthesamephysicalenclosure. TheFAStT200,DS4300Turbostoragesubsystems,DS4800, DS4700,DS4200 storagesubsystems, andDS4100 andDS4300 basestoragesubsystemscanalso beconnectedwithexternalstorageexpansionenclosuresto increasethestorage capacitythatcanbemanagedbyasingle storagesubsystemunit.

ADS4000storagesubsystemmodelmightnotsupporttheattachmentofall available DS4000driveexpansionenclosuremodels.For example,theDS4800 storagesubsystemsupportstheattachmentof theDS4000EXP810,EXP710,and EXP100drive expansionenclosuresonly.Referto theInstallationandUser’sGuide

for yourDS4000storagesubsystemmodelfor thesupporteddriveexpansion enclosuremodels forthatstoragesubsystem.

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In addition,theDS4000storagesubsystemalsosupporttheintermixingof different DS4000drive expansionenclosuremodelsbehindagivenDS4000storage

subsystem.Therearerestrictions,prerequisites,andrulesto connectthedifferent drive enclosuremodelsbehindaDS4000storagesubsystem.Referto the

InstallationandUser’sGuidefor yourDS4000storagesubsystemmodel,the

DS4000drive expansionenclosuremodelandtheaddingcapacityandtheHard

DriveandStorage ExpansionEnclosureInstallationandMigrationGuideformore

information.

Themaximumnumberofdrivesandstorageexpansionenclosuresthata RAID controllercansupportdependsonthemodelof theRAIDstoragesubsystems. See

theInstallationandUser’sGuideforyour DS4000storagesubsystemmodelforthe

maximumnumberofdrivesandstorageexpansionenclosures thataresupported perstoragesubsystem.

Table5 describesthestoragesubsystemsphysicalcomponents.

Table5.Storagesubsystemphysicalcomponents Component Description

Drive Anelectromagneticmechanicaldevicethatprovidesthe physicaldatastoragemedia.

Drivestorageexpansion enclosure

Anenclosurethatcontainsdrives,powersupplies,fans, environmentalservicemodules,assembly,andother supportingcomponents.

Controller Asystemboardandfirmwarethatcontrollogicaldrivesand implementthestoragemanagementfunctions.

Controllerenclosure Anenclosurethatcontainsoneormorecontrollers,power supplies,fans,andothersupportingcomponents.

Thephysicaldiskcapacityofthestoragesubsystemisdivided intoarraysand logical drives.Thesearerecognizedbytheoperatingsystemasunformatted physicallyattached disks.Eachlogicalcomponentcan beconfiguredtomeet data availabilityandI/Operformanceneeds.Table6describesthestoragesubsystem logical components.

Table6.Storagesubsystemlogicalcomponents Component Description

Array Anarrayisasetofphysicaldrivesthataregroupedtogether logicallybythecontrollersinastoragesubsystem.Eacharray iscreatedwithaRAIDleveltodeterminehowuserand redundancydataiswrittentoandretrievedfromthedrives. Thenumberofdrivesthatcanbegroupedtogetherintoan arraydependsontheharddrivecapacityandthecontroller firmwareversion.Eacharraycanbedividedinto1-256 logicaldrives.

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Table6.Storagesubsystemlogicalcomponents (continued) Component Description

Storagepartition Astoragepartitionisalogicalidentitythatconsistsofoneor morestoragesubsystemlogicaldrives.Thestoragepartition issharedwithhostcomputersthatarepartofahostgroupor isaccessedbyasinglehostcomputer.

UsetheStoragePartitionpremiumfeaturekeytoenablea storagepartition.Thenumberofstoragepartitionsthatcanbe defineddependsonthemodeloftheDS4000Storage Subsystems.SeeTable7todeterminewhethertheStorage Partitionfeatureisenabledbydefaultandthemaximum numberofstoragepartitionsthatcanbedefinedforagiven DS4000StorageSubsystem.

Freecapacity Freecapacityisacontiguousregionofunassignedcapacity onadesignatedarray.Youwillusefreecapacitytocreateone ormorelogicaldrives.

Note: IntheSubsystemManagementwindowLogicalview, freecapacityisdisplayedasfreecapacitynodes.Multiplefree capacitynodescanexistonanarray.

Unconfiguredcapacity Unconfiguredcapacityisthecapacityinthestorage

subsystemfromdrivesthatarenotassignedtoanyarray.You willusethisspacetocreatenewarrays.

Note: IntheSubsystemManagementwindowLogicalview, unconfiguredcapacityisdisplayedasanunconfigured capacitynode.

Storage

partitioning

specifications

Table7 indicateswhethertheStoragePartitionfeatureisenabled bydefaultandthe maximumnumberofstoragepartitionsthatcanbedefinedfora givenDS4000 Storage Subsystem.

Table7.StoragepartitioningspecificationsperDS4000storagesubsystemmodel DS4000subsystem

productname (machinetype,model number) StoragePartitioning enabledbydefault Maximumnumber ofdefinedstorage partitions Availablestorage partitionpurchase options DS4800(1815-80H, 82H,84H.88H) Yes(8partitions standard) 64 8-16,8-64,16 -64 DS4800(1815-80A, 82A,84A,88A)

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Table7.StoragepartitioningspecificationsperDS4000storagesubsystem model (continued)

DS4000subsystem productname (machinetype,model number) StoragePartitioning enabledbydefault Maximumnumber ofdefinedstorage partitions Availablestorage partitionpurchase options DS4400(1742, 1RU/1RX) Yes 64 None DS4300base(1722, 60U/60X) No 16 4,8,4-8,16,8-16 DS4300Turbo(1722, 60U/60X) Yes(8partitions) 64 8-16,8-64,16 -64 DS4300SCU(1724, 6LU/6LX) No 16 4,8,4-8,16,8-16 DS4200(1814-7VH) Yes(2partitions standard) 64 2-4,2-8,4-8,4-16, 8-16,8-64,16-64 DS4200(1814-7VA) Choiceof2,4,8,16, 64 64 2-4,2-8,4-8,4-16, 8-16,8-64,16-64 DS4100(1724,100) No 16 4,8,4-8,16,8-16 FAStT500(3552, 1RU/1RX) Yes 64 None FAStT200(3542, 1RU/1RX) Yes 16 None

Software

components

This sectiondescribestheIBMTotalStorageDS4000Storage Managerversion9.16 softwarecomponents.

Storage

Manager

client

(SMclient)

TheStorage Managerclient(SMclient)componentprovidesthegraphicaluser interface (GUI)for managingstoragesubsystemsthroughtheEthernetnetwork or fromthehostcomputer.TheSMclientcontainstwomaincomponents:

v EnterpriseManagement.Youcan usetheEnterprise Managementcomponent

toadd,remove,andmonitorstoragesubsystemswithinthemanagement domain.

v SubsystemManagement.YoucanusetheSubsystemManagement component

tomanagethecomponentsofanindividualstoragesubsystem.

TheStorage Managerclientiscalledthin becauseit onlyprovidesaninterface for storagemanagement basedoninformationthatissuppliedbythestorage

subsystemcontrollers.Whenyouinstall theSMclient softwarecomponentona management stationtomanagea storagesubsystem,yousend commandstothe storagesubsystemcontrollers.Thecontrollerfirmwarecontainsthenecessarylogic to carryoutthestoragemanagementcommands.Thecontrollervalidatesandruns thecommandsandprovidesthestatusandconfigurationinformationthatissent backtotheSMclient.

Note: Donotstartmorethaneight instancesoftheStorageMangerclient

programsat thesametimeif theStorage Managerprogramisinstalledin |

|

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multiplehostserversormanagementstations.In addition,donotsendmore thaneight SMclicommandsto astoragesubsystemat anygiventime.

Storage

Manager

host

agent

(SMagent)

TheStorage Manageragent(SMagent)packagecontainsthehostagent software. You canusethehostagentsoftwaretomanagestoragesubsystemsthroughthe host computerFibreChannelI/Opath.Thehostagentsoftwarereceivesrequests froma managementstationthatisconnectedtothehostcomputer througha network connectionandpasses therequests tothestoragesubsystemcontrollers throughtheFibreChannelI/Opath.

Thehost agent,alongwiththenetworkconnection onthehostcomputer,provides anin-bandhostagent typenetwork-managementconnectiontothestorage subsysteminsteadof theout-of-banddirectnetwork-managementconnection throughtheindividualEthernetconnectionsoneach controller.

Themanagement stationcancommunicatewitha storagesubsystemthroughthe host computerthathashostagent managementsoftwareinstalled.Thehost agent receivesrequests fromthemanagement stationthroughthenetwork connectionto thehost computer,andsendstherequeststo thecontrollers inthestorage

subsystemthroughtheFibre ChannelI/Opath.

Notes:

1. Hostcomputersthathavethehostagent softwareinstalledareautomatically

discovered bythestoragemanagement software.Theyaredisplayedinthe device treeintheEnterpriseManagementwindowalongwiththeirattached storagesubsystems.

Astoragesubsystemmightbeduplicatedinthedevicetreeifyouaremanaging it throughitsEthernetconnectionsanditisattached toahost computerwiththe host agentsoftwareinstalled.Inthiscase,youcanremovetheduplicate

storagesubsystemiconfromthedevicetreebyusingtheRemoveDevice optionintheEnterpriseManagementwindow.

2. UnlessyouareusingWindowsNT

®_, _you_must_make_a_direct_{(out-of-band)}

connection totheDS4000StorageSubsysteminordertosetthecorrecthost type. Thecorrecthosttype willallowtheDS4000Storage Subsystemto configureitselfproperlyforthehostserveroperatingsystem.Afteryoumakea direct(out-of-band)connection totheDS4000Storage Subsystem,depending onyourparticularsiterequirements,you canuseeitherorboth management methods.Therefore,ifyouwanttomanageyoursubsystemwiththein-band management method,youmustestablishbothin-bandandout-of-band management connections.

Note: Startingwithcontrollerfirmware06.14.xx.xx,thedefaulthosttypeis

Windows2000/Server2003non-clustered,insteadof Windows(SP5or higher)non-clustered.

Redundant

disk

array

controller

(RDAC)

multipath

driver

RDAC isaFibreChannelI/Opathfailoverdriverthatisinstalledonhostcomputers. Usually, apairofactivecontrollersislocatedinastoragesubsystemenclosure. Each logicaldriveinthestoragesubsystemisassignedtoa controller.The

(39)

Whena componentintheFibreChannelI/Opath,suchasacableorthecontroller itself,fails,theRDACmultipathdrivertransfers ownershipofthelogicaldrivesthat areassignedtothatcontrollertotheothercontrollerinthepair.

RDAC requiresthatthenon-failoverversionoftheFibreChannelHostBusAdapter isinstalledinthehostserver.Inaddition,thestoragesubsystemcontrollermust be setto non-ADTmode.

Note: TheRDACdriver isnotavailablefor HewlettPackardHP-UXandNovell

NetWareoperating systems.IntheNovellNetWareenvironment,theNovell nativefailoverdriver isused inplaceof RDAC.

Someoperatingsystems,suchasHP-UXor VMWAREESX, havebuilt-in FibreChannelI/Opathfailoverdriversanddonotrequirethismultipath driver.Also,someoperatingsystemssupportVERITAS®Dynamic Multi-pathing(DMP),whichyoucanchoose touseinsteadof RDAC.

NetWare

native

failover

driver

IBMcurrentlydoes notsupporttheIBMSAN ortheNovellNetwarenativemultipath driver inNetware6.5,SP™₅_or_earlier,_with_Automatic_Volume_Transfer_(AVT)/

Auto-logical DriveTransfer(ADT)enabled, asthepreferredmultipathdriverinthe NovellNetWareoperating systemenvironment.You shouldupgradetheoperating system toNetware6.5withSP6 orlaterthatincludestheNovellNetWare native multipathdriver supportwithAVT/ADTdisabled.TheIBMSAN drivershouldnotbe installedwhenusingthenativeNovellNetWare multipathdriver.

For NetWare6.5withSP6andlater,NovellNetWareprovidesnativemultipath supportthatrequirestheDS4000Storage subsystemto disabletheAVT/ADTmode. Todisable theAVT/ADTfunction sothatthenew Novellnativemultipathdrivercan beused,youmustruntheDS4000″DisableAVT_Netware.script″SMcliscriptfile. NovellNetware6.5SP6 includesthefollowing muiltipathdrivermodules;MM.NLM, NWPA.NLM,SCSIHD.CDM,LSIMPE.CDM.Always usethelatestversionofthe LSIMPE.cdm fromeithertheoneprovidedwiththeIBMDS4000FibreChannel HBAdevice driverortheonethatispartoftheNovellNetWare operatingsystem distribution CD.TheLSIMPE.cdmenables theNovellmultipathfailoverdriverto identify thoselogical drivesthathavebeenmappedfromtheDS4000Storage Subsystemto thehostserver.Pleasereferto theFibreChannelHBANetWare driver readmefileformoreinformationonhowto configureLUNfailoverand failback.

Note: StorageManager9.23 isnotsupportedwithNetWare.Youcanstillattach

yourhostto asubsystemthatisrunning6.23.xx.xx torunI/O,youjust cannotmanagethatsystemfromtheNetWarehost.

Storage

Manager

utility

(SMutil)

UsetheStorageManagerutilitypackagetoregisterandmapnew logicaldrivesto theoperating system.SMutilisinstalledonallhostcomputers.Thehostcomputers areattachedto thestoragesubsystemthroughtheFibreChannelconnection.The SMutilpackagecontainsthefollowingtwo components:

v HotAddutility:TheHotAddutilityenablesyouto registernewly-createdlogical

driveswiththeoperating system.

v SMdevicesutility:YoucanusetheSMdevicesutilityto associatestorage

IBM System Storage DS4000 Storage Manager Version 9.23

IBM

System

Storage

DS4000

Storage

Manager

Version

9.23

Concepts

Guide

IBM

System

Storage

DS4000

Storage

Manager

Version

9.23

Concepts

Guide

Contents

Figures

Tables

About

this

document

Who

should

read

this

document

DS4000

Storage

Subsystem

installation

tasks

-

General

overview

How

this

document

is

organized

Notices

that

this

document

uses

Getting

information,

help,

and

service

Before

you

call

Using

the

documentation

Web

sites

Software

service

and

support

Hardware

service

and

support

Fire

suppression

systems

How

to

send

your

comments

Chapter