Net 装机维护 ClusteredDataONTAP82Upgradeand.docx

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1、NetAppxClusteredDataONTAP8.2UpgradeandReverVDowngradeGuideNetApp, Inc.495 East Java Drive Sunnyvale, CA 94089 U.S.Part number: 215-07957-A0May 2013Telephone:+1(408)822-60Fax:+1(408)822-4501Supporttelephone:+1(888)463-8277Web:Feedback:doccommentsContentsUpgradingDataONTAPclusters7Planningyourupgradew

2、ithUpgradeAdvisor7Planningyourupgrade9Typesofclusterupgrades10Clusterupgradechecklist10Clusterupgraderequirementsandlimits15Requiredupgradesequenceforabatchupgrade17Guidelinesforestimatingthedurationoftheupgradeprocess19UpgradeconsiderationsforanInfiniteVolume19UpgraderequirementsforSnapMirror20Iden

3、tifyingpotentialupgradeissues21PreparingfortheDataONTAPclusterupgrade24CreatingaperformancebaselinewithPerfstatConverged24Verifyingthattheclusterisinquorum24VerifyingclusterandVserverhealth25EnablingandrevertingLIFstohomeports26VerifyingtheLIFfailoverconfiguration28DisablingautomaticLIFrebalancing29

4、Verifyingthesystemtime31Determiningthecurrentsoftwareversiononeachnode32ObtainingDataONTAPsoftwareimages32InstallingDataONTAP8.xsoftwareimagesinacluster33HowDataONTAPsoftwareimagesarestoredandalternatedinthecluster34PreparingSnapMirrorrelationshipsforanondisruptiveupgradeordowngrade35Ensuringthatnoj

5、obsarerunning36Perfbnningthesoftwareupgrade37Verifyingthattheclusterisreadytobeupgraded38UpgradingaDataONTAPclusternondisruptivelybyusingtherollingupgrademethod39UpgradingaDataONTAPclusternondisptivelybyusingthebatchmethod47UpgradingaDataONTAPclusterdisruptively56Verifyingthattheclusterwasupgradedsu

6、ccessfully57Completingpost-upgradetasksforclusterupgrades57VerifyingclusterandVserverhealth58EnablingandrevertingLIFstohomeports59CreatinganamespacemirrorconstituentforanupgradedInfiniteVolume60SettingtheclustermanagementLIFforRemoteSupportAgent62ResumingSnapMirroroperations62UpgradingolderstyleSnap

7、Mirrorrelationships63EnablingautomaticLIFrebalancing65Updatingfirmware66Systemfirmwareupdates66Diskfinwareupdates66Howdiskfirmwareisupdated66WhenyouneedtoupdatetheDiskQualificationPackage67Serviceavailabilityduringdiskfirmwareupdates67Diskshelffirmwareupdates69Howdiskshelffirmwareisupdated69Detectin

8、goutdateddiskshelffirmware70HowACPfirmwareisupdated70ServiceProcessorfirmwareupdates71RLMfinwareupdates71HowFlashCachefirmwareisupdated71RevertingclusterstoanearlierDataONTAPreleasefamily73Whentorevertandwhentocalltechnicalsupport73Planningyourreversion74Clusterreversionchecklist74Reversionprocessco

9、nsiderations77Identifyingpotentialreversionissues78PreparingtorevertDataONTAPclusters79Preparingtorevertproductionsystems79VerifyingclusterandVserverhealth88Verifyingthattheclusterisinquorumbeforerevertingordowngrading.89Verifyingthesystemtime90PreparingiSNSbeforereverting91PreparingSnapshotcopiesbe

10、forereverting92ObtainingDataONTAPsoftwareimages93InstallingDataONTAP8.xsoftwareimagesinacluster94RevertingaDataONTAPcluster95Completingpost-reversiontasks98VerifyingclusterandVserverhealth98EnablingandrevertingLIFstohomeports99PreparingSnapshotcopiesafterrevertingIOlVerifyingclientaccess(CIFSandNFS)

11、101ConsiderationsfordowngradingtheSPfirmware101ReinstallingtherequiredV-Serieslicenseafterrevertordowngrade102EnablingcapabilityforVserveradministratorwithvsadminrole102Downgradingclusterstoanearlierreleaseinthesamereleasefamily104Whentodowngradeandwhentocalltechnicalsupport104Planningyourdowngrade1

12、04Clusterdowngradechecklist105WhattocheckbeforedowngradingV-Seriessystems107Downgradeprocessconsiderations107PreparingfortheDataONTAPdowngradeprocess108VerifyingclusterandVserverhealth108EnablingandrevertingLIFstohomeports109Verifyingthattheclusterisinquorumbeforerevertingordowngrading.111Verifyingt

13、hesystemtime112Checkingforback-endconfigurationerrors113Determiningthecurrentsoftwareversiononeachnodebeforedowngrading114ObtainingDataONTAPsoftwareimages114InstallingDataONTAP8.xsoftwareimagesinacluster115PreparingSnapMirrorrelationshipsforanondisruptiveupgradeordowngrade116PerformingtheDataONTAPdo

14、wngradeprocess117Ensuringthatnojobsarerunning117ChangingthedefaultbootimagetoanearlierversionofDataONTAP8.x118Completingpost-downgradetasks122VerifyingclusterandVserverhealth122EnablingandrevertingLIFstohomeports123Verifyingclientaccess(CIFSandNFS)124ResumingSnapMirroroperations124Considerationsford

15、owngradingtheSPfirmware125ReinstallingtherequiredV-Serieslicenseafterrevertordowngrade125Optimalserviceavailabilityduringupgrades127Howupgradesimpactserviceavailability127Serviceandprotocolconsiderations127Considerationsforstatelessprotocols128Considerationsforsession-orientedprotocols129Understandi

16、ngbackgrounddiskfirmwareupdates129Copyrightinformation131Trademarkinformation132Howtosendyourcomments133Index1347UPgradingDataONTAPClUSterSUpgradingaclustertothecurrentDataONTAPreleaserequirespreparation,theupgradeitselfandseveralpost-upgradeprocedures.Note:ItisabestpracticetouseUpgradeAdvisortoplan

17、yourupgrade.Nonetheless,youmightfindusefuldetailandrelatedinformationinthisguidethatcomplementsyourUpgradeAdvisorplan.IfyouarenotabletouseUpgradeAdvisor,youshouldcreateyourownupgradeplanmanuallybyusingguidelinesprovidedinthisguide.Theupgradeprocessincludesthefollowingphases:Preparingfortheupgrade Pe

18、rformingtheupgrade,Completingpost-upgradetasksPlantodothefollowing:ReadtheReleaseNotesforthetargetDataONTAPrelease.VerifythatallcomponentsofyourconfigurationarccompatiblewiththeupgradedDataONTAPreleasebyconsultingtheInteroperabilityMatrixontheNetAppSupportSite.Unlessotherwiseindicated,therequirement

19、sandproceduresinthisguideapplytoallsupported:DataONTAP8.2.xplatfbsFormoreinformationaboutsupportedplatforms,seetheReleaseNotesforthetargetDataONTAPrelease. UpgradepathstoandwithintheDataONTP8.2releasefamilyThesupportedupgradepathsincludeupgradestoreleasesintheDataONTAP8.2releasefamilyfromany8.1.xrel

20、ease(majorupgrades)andupgradesfrom8.2.xto8.2.z(minorupgrades).RelatedinformationNetAppInteroperabilityMatrix:PlanningyourupgradewithUpgradeAdvisorYoushouldusetheUpgradeAdvisortool(ifitisavailableinyourenvironment)toensurethatyouhavemettherequirementsforupgradingtothecurrentreleaseandtogenerateanupgr

21、adeplan.BeforeyoubeginTousetheUpgradeAdvisortool,yoursystemmustmeetthefollowingrequirements:Itmusthaveavalidsupportcontract. ItmustbeenabledtosendAutoSupportmessagestoNetApp.Attention:Ifyoursystemdocsnotmeettheserequirements,youshouldconsulttheReleaseNotesandUpgradeGuideforthisDataONTAPreleasetoprep

22、areadetailedupgradeplan.AboutthistaskUpgradeAdvisorisanonlinetool,availableontheNctAppSupportSite,thatsimplifiestheprocessofplanningDataONTAPupgrades.WhenyousubmityoursystemidentificationandtargetreleasetoUpgradeAdvisor,thetoolcomparesAutoSupportdataaboutyoursystemtoknownrequirementsandlimitationsof

23、thetargetrelease.UpgradeAdvisorthengeneratesanupgradeplan(andoptionallyaback-outplan)withrecommendedpreparationandexecutionprocedures.Togenerateanupgradeplan,youmusthaveidentifyinginformationforyoursystem(hostname,systemID,orserialnumber)andyoumusthaveselectedatargetupgraderelease.Youcanalsoselectot

24、heroptions,includingthefollowing: Createaplanforacluster. Createaback-outplan. Compareupgradescenarios.FormoreinformationaboutUpgradeAdvisor,seetheUpgradeAdvisorHelpscreens.1. Steps2. 1.ocateandrecordthesystemhostname,systemID,orserialnumberofyoursystembyenteringthefollowingcommandattheclustershell:

25、systemnoderun-nodenodenamesysconfigThesystemidentificationinformationisnearthetopofthedisplay.3. Fromawebbrowser,logintotheMyAutoSupporthomepageontheNetAppSupportSiteatthefollowingURL:4. ClicktheLaunchMyAutoSupportlink.5. Enterthehostname,systemID,orserialnumberofyoursystemwhenprompted.6. Selectthes

26、ystemthatyouwanttoupgradefromthoselisted.7. SelectthelatestAutoSupportrecordfromtheASUPsrow.8. ClicktheUpgradeAdvisortab.9. SelecttheDataONTAPreleasetowhichyouwanttoupgradefromtheTargetVersionsmenu.10. Selecttheupgrademethodandthelevelofdetailyouwantincludedinyourupgradeplan.11. ClickContinuetogener

27、ateyourupgradeplan.AfteryoufinishItisnotnecessarytofollowfurtherinstructionsinthisUpgradeGuideafteryougenerateandexecuteanupgradeplanbyusingUpgradeAdvisor.Nonetheless,youmightwanttoconsultthisguidefordetailsandbackgroundinformation.RelatedinformationUpgradeAdvisor:PlanningyourupgradeBecausenewfeatur

28、esareintroducedineachreleaseofDataONTAP,youmustunderstandthesefeaturesandtheirassociatedupgraderequirementstoevaluatehowtheymightimpactyourcurrentconfiguration.YouaremorelikelytoencounterissuesifyouareupgradingfromareleaseearlierthantheimmediatelypreviousversionofDataONTAP.Note:Itisabestpracticetous

29、eUpgradeAdvisortoplanyourupgrade.Nonetheless,youmightfindusefuldetailandrelatedinformationinthisguidethatcomplementsyourUpgradeAdvisorplan.IfyouarenotabletouseUpgradeAdvisor,youshouldcreateyourownupgradeplanmanuallybyusingguidelinesprovidedinthisguide.Beforeproceedingwiththeupgrade,youshouldplantodo

30、thefollowing: ReviewtheReleaseNotesforyourDataONTAPupgradetargetrelease. Understandanyrequirementsforupgradingtothetargetreleasefromyourexistingsoftware. Noteanypotentialbehaviorchangestoyoursystemaftertheupgrade.Preparetoaddressallpointsintheupgradechecklist. Createaback-outplan,intheunlikelyeventt

31、hatyouneedtorevertordowngradetotheDataONTAPreleasethatwasrunningonyoursystembeforetheupgrade.Unlessotherwiseindicated,therequirementsandproceduresinthisguideapplytoallsupportedDataONTAP8.2.xplatfbs.Formoreinformationaboutsupportedplatforms,seetheReleaseNotesforthisDataONTAPrelease.RelatedconceptsRev

32、ertingclusterstoanearlierDataONTAPreleasefamilyonpage73Downgradingclusterstoanearlierreleaseinthesamereleasefamilyonpage104TypesofclusterupgradesBasedonyourrequirements,youcanupgradeaclustertoanewDataONTAPreleasebyperforminganondisruptiveupgradeoradisruptiveupgrade.Inanondisruptiveupgrade(NDU),thecl

33、usterremainsonlineandcontinuestoservedataduringtheupgrade.TherearetwomethodsforperfbningaNDU: RollingupgradeInthismethod,anodeistakenofflineandupgradedwhileitspartnertakesoveritsstorage.Whenthenodeupgradeiscomplete,theassistingpartnergivescontrolbacktotheoriginalpartnerandtheprocessisrepeated,thisti

34、meonthepartner.EachadditionalHpairisupgradedinsequenceuntilallpairsarerunningthetargetrelease.Youcanusethismethodforaclusterofanysize,butitisrequiredforclustersconsistingof2-6nodes.BatchupgradeInthismethod,theclusterisseparatedintotwobatches,eachofwhichcontainsmultipleHApairs.Inthefirstbatch,onenode

35、ineachHApairistakenofflineandupgradedwhiletheirpartnerstakeovertheirstorage.WhentheupgradeiscompletedforthefirsthalfofalloftheHApairs,theirpartnersgivecontrolbacktothem,andtheprocessisrepeated,thistimeonthepartners.Theprocessisthenrepeatedonthesecondbatch.Youcanonlyusethismethodforclustersconsisting

36、of8ormorenodes.Inadisruptiveupgrade,theclusteristakenofflinetoperformtheupgrade.ThistypeofupgradeinvolvesdisablingstoragefailoverforeachHApairandthenrebootingeachnode.Youcanperformadisruptiveupgradeonaclusterofanysize.ClusterupgradechecklistYoucanusethischecklisttorecordyourprogressasyouprepareforth

37、eupgrade,performtheupgrade,andcompletepost-upgradetasks.StepsforpreparingtoupgradePreparatorystepsarccompletewhenallofthefollowingconditionsarctrue:ConditionComplete?Softwareandhardwaresupportinthetargetreleaseisconfirmed.Toconfirmhardwaresupport,visitHardwareUniverse(formerlytheSystemConfigurationG

38、uide)ConditionComplete?Clusternetworkandmanagementnetworkswitchesaresupported.Thesoftware,firmware,andreferenceconfigurationfilesusedbyclusterandmanagementEthernetswitchesmustbecompatiblewithDataONTAP.WhenplanningaDataONTAPdeploymentorupgrade,youmustconsulttheClusterandManagementEthernetSwitchMatrix

39、todeterminewhetherupdatesarcalsorequiredtotheswitchconfigurations.TheSANconfigurationisfullysupported.AllSANcomponentsincludingtargetDataONTAPsoftwareversion,hostOSandpatches,requiredHostUtilitiessoftware,andadapterdriversandfinwareshouldbelistedintheNetAppInteroperabilityMatrixontheNetAppSupportSit

40、e.Allrelease-specificupgradeissueshavebeenresolved.Youhaveclustershellaccessprivileges.Youhavecreatedaperformancebaseline.YouusePerfstatConvergedtocreateaperfbnancebaseline.Aremotemanagementdeviceisconfiguredforeachnode.YoushouldhaveeitheraServiceProcessor(SP)orRemoteLANModule(RLM)deviceconfigured.F

41、ormoreinformation,seetheClusteredDataONTAPSystemAdministrationGuideforClusterAdministrators.Theclusterisinquorum.Ensurethatallnodesareparticipatinginaquorumandallringsareinthequorum.Verifyalsothattheper-ringquorummasteristhesameforallnodes.TheclusterandVscrversarerunningandhealthy.Allaggregatesandvo

42、lumesshouldbehealthyandonlinebeforeproceedingwiththeupgrade.Youcanusetheclustershowcommandtoverifythestatusofthenodes.LIFsareonlineandontheircorrecthomeports.YoucanusethenetworkinterfacecommandtodisplayandmodifyLIFconfiguration.TheLIFfailoverconfigurationisverified.EachdataLIFmusthavethecorrectfailo

43、verpolicy,failovergroup,andfailovertargetsapplied.ConditionI Complete?AutomaticLIFrebalancingisdisabled(forbatchupgradesonly).Thesystemtimeissynchronizedacrossthecluster.EachnodeisrunningDataONTAP8.1orlater.Ensurethatyouarerunningontheminimumsoftwareversionallowedfortheupgradebyrunningthesystemnodei

44、mageshowcommand.YouhavethetargetDataONTPsoftwareimageavailableonanHTTPserver.DownloadthesoftwareimageforthetargetDataONTAPreleasefromtheNetAppSupportS,andplaceitonanHTTPserverthatisaccessiblebyeachnode.ThetargetDataONTAPsoftwareimagesareinstalledoneachnodeandsetasthealternatebootdeviceimage.Youcanus

45、ethesystemnodeimageupdatecommandtoinstallthesoftwareimages.Youcanusethesystemnodeimageshowcommandtoverifythatthesoftwareimagesareinstalledasthealternatebootimageoneachnode.SnapMirroroperationsaresuspended.Nojobsarerunning.Ifanyaggregate,volume,mirror,NDMP(dumporrestore),orSnapshotjobs(suchascreate,d

46、elete,move,modify,replicate,andmountjobs)arerunningorqueued,allowthejobstocompletesuccessfullyorstopthequeuedentries.StepsforperformingarollingupgradeIfyouarcperforminganondisruptiveupgradebyusingtherollingupgrademethod,theupgradeiscompletewhenallofthefollowingstepshavebeencompleted:ConditionComplete?Youhaveverifiedthattheclusterisreadytobeupgradednondisruptively.ThefirstHApairisupgraded.ThefirstnodeintheHApairisupgraded.Thenodespartnerisupgraded.YouhaveverifiedthattheHpairwasupgradedsuccessfully.ConditionIfneeded,theseco