1、NetAppxDataONTAP8.2UpgradeandReverVDowngradeGuideFor7-ModeNetApp, Inc.495 East JaVa Drive Sunnyvale, CA 94089 U.S.Part number: 215-07981 _A0May 2013Telephone:+1(408)822-60Fax:+1(408)822-4501Supporttelephone:+1(888)463-8277Web:Feedback:doccommentsContentsPlanningyourupgrade7PlanninganupgradetoaDataON
2、TAP-vsystem7PlanningyourupgradewithUpgradeAdvisor8Upgradeprocesssteps9Guidelinesforestimatingthedurationoftheupgradeprocess11Recommendationsforallsystemsupgradingtothisrelease11Upgradehostrequirements12RequirementswhenupgradingfromaWindowsorUNIXclientusingtheCIFSorNFSprotocols12Requirementswhenupgra
3、dingfromanHTTPserver12UpgraderequirementsforSnapMirror13HowSnapMirrorupgradeimpactsrestartcheckpoints14Upgraderequirementsforsystemsmirroringeachother14PreservingSnapshotcopies14Releasefamilyupgraderequirements15Majorandminorupgradetypes15Understandingupgradesbetweenreleasefamilies16Requiredintenedi
4、ateupgrades16Upgradeswithinareleasefamily16Nondisruptiveupgraderequirements17Whentousenondisruptiveupgrades17Whennottousenondisruptiveupgrades18Requirementsfornondisruptiveupgradesonallsystems18Requirementsfornondisruptiveupgradesonsystemswithdeduplicatedvolumes20Disruptiveupgraderequirements20Ident
5、ifyingpotentialupgradeissues21UpgradeissueswiththeDataONTAP8.2releasefamily21ChangestobehaviorintheDataONTAP8.2releasefamily22PreParlngfortheUPgrade24Verifyingsystemrequirements26EnsuringthatthereisadequatefreespaceineveryvolumecontainingLUNs26Determiningtherequiredfirmwareforyourdisks26Verifyingthe
6、HApaircablingandconfiguration27CreatingaperformancebaselinewithPerfstat727Preparingfornondisruptiveupgrades28PreparingfornondisruptiveupgradesonsystemswithVMwareESXserverhosts30ObtainingDataONTAPsoftwareimages33ObtainingimagesforHTTPservers33CopyingthesoftwareimagetotheHTTPserver33Copyingsoftwareima
7、gesfromtheHTTPserverwithoutinstallingtheimages34ObtainingimagesforUNIXclients34Mountingthestoragesystemonyourclient35ObtainingsoftwareimagesforUNIXclients35ObtainingimagesforWindowsclients36MappingthestoragesystemtoyourWindowshost36ObtainingsoftwareimagesforWindowsclients37Commandsformanagingfilesin
8、theZetcZsoftwaredirectory38InstallingDataONTAPsoftwareimages39InstallingsoftwareimagesfromanHTTPserver39Installingsoftwareimagesfromtheetcsoftwaredirectory41DownloadingandupgradingnewDataONTAPsoftware43UpgradinginaSnapMirrorenvironment43UpgradingnondisruptivelyinaSnapMirrorenvironment44UpgradingHAco
9、nfigurationsfromanearlierreleasefamilynondisruptively45UpgradingHApairswithinareleasefamilynondisruptively48UpgradingHAconfigurationsusingthedisruptivemethod51Upgradingsinglesystems53Verifyingsystemstatusafteranupgrade55Updatingfirmware57Systemfirmwareupdates57HowBIOSsystemfirmwareisupdated57Updatin
10、gsystemfirmwarenondisruptively57Updatingsystemfirmwareusingthedisruptivemethod60Diskfinwareupdates61Howdiskfirmwareisupdated61DiskfirmwarerequirementsforDataONTAPnondisruptivcupgrades62WhenyouneedtoupdatetheDiskQualificationPackage62Serviceavailabilityduringdiskfirmwareupdates63Diskshelffirmwareupda
11、tes64Howdiskshelffirmwareisupdated64Detectingoutdateddiskshelffirmware65HowACPfirmwareisupdated66ServiceProcessorfirmwareupdates66RLMfirmwareupdates67HowFlashCachefirmwareisupdated67RevertingtoanearlierDataONTAPreleasefamily68Whentorevertandwhentocalltechnicalsupport68Planningyourreversion68Reversio
12、nchecklist69Generalreversionrequirements70Requirementsforrevertingconfiguredsystems71Specialsystemfiles72Identifyingpotentialreversionissues72PreparingtorevertDataONTAP73Commandsforaddressingreversionrequirements73Preparingtorevertproductionsystems75StagingthetargetDataONTAPimage79Performingtherever
13、sionprocess80RevertingDataONTAP80UpdatingSPfirmware82Completingpost-reversiontasks83Re-cnablingNDMPonarevertedsystem84Reinstatementofin-ordcrframedeliveryafterreversion84ConsiderationsfordowngradingtheSPfirmware84ReinstallingtherequiredV-Serieslicenseafterrevertordowngrade84Downgradingtoanearlierrel
14、easeinthesamereleasefamily.86Whentodowngradeandwhentocalltechnicalsupport86Planningyourdowngrade86Downgradechecklist87Generaldowngraderequirements87PreparingtodowngradeDataONTAP88Commandsforaddressingdowngraderequirements89StagingthetargetDataONTAPimage90Performingthedowngradeprocess90DowngradingDat
15、aONTAPusingthenondisruptivemethod90DowngradingDataONTAPusingthedisruptivemethod93UpdatingSPfirmware94Completingpost-downgradetasks96ReinstallingtherequiredV-Serieslicenseafterrevertordowngrade96Optimalserviceavailabilityduringupgrades97Howupgradesimpactserviceavailability97Sen,iceandprotocolconsider
16、ations98Considerationsforstatelessprotocols98Considerationsforsession-orientedprotocols99Understandingbackgrounddiskfirmwareupdates99UpgradingDataONTAP-vsystems101UpgradeprocessoverviewforDataONTAP-vsystemsIOlRecommendationsforDataONTAP-vsystemsupgradingtothisrelease.102PreparingforaDataONTAP-vsyste
17、mupgrade102ObtainingsoftwareimagesforDataONTAP-vsystems103CopyingthesoftwareimagetotheHTTPserver103CopyingthesoftwareimagefromtheHTTPSerVertothestoragesystem.103InstallingsoftwareimagesonDataONTAP-vsystems104Installingsoftwareimages105VerifyingDataONTAP-vsystemstatusafteranupgrade106Copyrightinforma
18、tion108Trademarkinformation109Howtosendyourcomments110Index111PlanningyourUPgraCleBecausenewfeaturesareintroducedineachreleaseofDataONTAP,youmustunderstandthesefeaturesandtheirassociatedupgraderequirementstoevaluatehowtheymightimpactyourcurrentconfiguration.Youaremorelikelytoencounterissuesifyouareu
19、pgradingfromareleaseearlierthantheimmediatelypreviousversionofDataONTAP.Note:ItisabestpracticetouseUpgradeAdvisortoplanyourupgrade.Nonetheless,youmightfindusefuldetailandrelatedinformationinthisguidethatcomplementsyourUpgradeAdvisorplan.IfyouarenotabletouseUpgradeAdvisor,youshouldcreateyourownupgrad
20、eplanmanuallybyusingguidelinesprovidedinthisguide.Beforeproceedingwiththeupgrade,youshouldplantodothefollowing: ReviewtheReleaseNotesforyourDataONTAPupgradetargetrelease.Understandanyrequirementsforupgradingtothetargetreleasefromyourexistingsoftware.Noteanypotentialbehaviorchangestoyoursystemafterth
21、eupgrade.Preparetoaddressallpointsintheupgradechecklist.Createaback-outplan,intheunlikelyeventthatyouneedtorevertordowngradetotheDataONTAPreleasethatwasrunningonyoursystembeforetheupgrade.Unlessotherwiseindicated,therequirementsandproceduresinthisguideapplytoallsupportedDataONTP8.2.xplatforms.Formor
22、einformationaboutsupportedplatforms,seetheReleaseNotesforthisDataONTAPrelease.PlanninganupgradetoaDataONTAP-vsystemPlatformsthatarebasedonDataONTAP-vtechnologyrunstandardDataONTAPsoftwareandareupgradedinthesamemannerasotherplatforms.However,youneedtoverifyhypervisorandotherrelatedsoftwareversionsbef
23、oreperforminganupgrade.Forcompleteinstructions,refertothesectionforupgradingDataONTAP-vsystemsandtotheinstallationdocumentationthatcamewithyourDataONTAP-vsystem.RelatedconceptsUpgradingDataONTAP-vsystemsonpageIOlPlanningyourupgradewithUpgradeAdvisorYoushouldusetheUpgradeAdvisortool(ifitisavailablein
24、yourenvironment)toensurethatyouhavemettherequirementsforupgradingtothecurrentreleaseandtogenerateanupgradeplan.BeforeyoubeginTousetheUpgradeAdvisortool,yoursystemmustmeetthefollowingrequirements:Itmusthaveavalidsupportcontract.ItmustbeenabledtosendAutoSupportmessagestoNetApp.Attention:Ifyoursystemdo
25、esnotmeettheserequirements,youshouldconsulttheReleaseNotesandUpgradeGuideforthisDataONTAPreleasetoprepareadetailedupgradeplan.AboutthistaskUpgradeAdvisorisanonlinetool,availableontheNetAppSupportSite,thatsimplifiestheprocessofplanningDataONTAPupgrades.Whenyousubmityoursystemidentificationandtargetre
26、leasetoUpgradeAdvisor,thetoolcomparesAutoSupportdataaboutyoursystemtoknownrequirementsandlimitationsofthetargetrelease.UpgradeAdvisorthengeneratesanupgradeplan(andoptionallyaback-outplan)withrecommendedpreparationandexecutionprocedures.Togenerateanupgradeplan,youmusthaveidentifyinginformationforyour
27、system(hostname,systemID,orserialnumber)andyoumusthaveselectedatargetupgraderelease.Youcanalsoselectotheroptions,includingthefollowing: CreateaplanforanHApair,includingnondisruptiveupgrades. Createaback-outplan. Compareupgradescenarios.FormoreinformationaboutUpgradeAdvisor,seetheUpgradeAdvisorHelpsc
28、reens.1. Steps2. 1.ocateandrecordthesystemhostname,systemID,orserialnumberofyoursystembyenteringthefollowingcommandatthecommandline:sysconfigThesystemidentificationinformationisnearthetopofthedisplay.3. Fromawebbrowser,logintotheMyAutoSupporthomepageontheNetAppSupportSiteatthefollowingURL:4. Clickth
29、eLaunchMyAutoSupportlink.5. Enterthehostname,systemID,orserialnumberofyoursystemwhenprompted.6. Selectthesystemthatyouwanttoupgradefromthoselisted.7. SelectthelatestAutoSupportrecordfromtheASUPsrow.8. ClicktheUpgradeAdvisortab.9. SelecttheDataONTAPreleasetowhichyouwanttoupgradefromtheTargetVersionsm
30、enu.10. Selecttheupgrademethodandthelevelofdetailyouwantincludedinyourupgradeplan.11. ClickContinuetogenerateyourupgradeplan.AfteryoufinishItisnotnecessarytofollowfurtherinstructionsinthisUpgradeGuideafteryougenerateandexecuteanupgradeplanbyusingUpgradeAdvisor.Nonetheless,youmightwanttoconsultthisgu
31、idefordetailsandbackgroundinformation.RelatedinformationUpgradeAdvisor:UpgradeprocessstepsBeforebeginningtoupgradeDataONTAPsoftware,youshouldplantheupgradeandfamiliarizeyourselfwiththerequiredsteps.AboutthistaskSteps1. Planyourupgradebyfamiliarizingyourselfwithrequirementsandissuesbeforeyouupgrade.P
32、lantodothefollowing:ReviewtheReleaseNotesforyourDataONTAPupgradetargetrelease. Understandanyrequirementsforupgradingtothetargetreleasefromyourexistingsoftware.Attention:YoushouldusetheUpgradeAdvisortool(ifitisavailableinyourenvironment)toassessyourupgradeconditionsandgenerateanupgradeplan. Createaba
33、ck-outplan,intheunlikelyeventthatyouneedtorevertordowngradetotheDataONTAPreleasethatwasrunningonyoursystembeforetheupgrade.Bepreparedtonoteanychangestoyoursystemaftertheupgrade. IfyouhavestoragesystemsinanHApair,selecttheappropriateupgrademethodandensurethattheHAconfigurationiscorrect. Ifyourstorage
34、systemisinaSANenvironment,ensurethatyourSANconfigurationisfullysupported.AllSANcomponentsincludingtargetDataONTPsoftwareversion,hostOSandpatches,requiredHostUtilitiessoftware,andadapterdriversandfirmwareshouldbelistedintheInteroperabilityMatrix.,IfyouruntheSnapMirrorsoftware,identifystoragesystemswi
35、thdestinationandsourcevolumes. IfyouarerunningMetroClustersystems,verifythatallMetroClustercomponentsarecompatiblewiththetargetrelease.2. Ifnecessary,performanyrequiredpreliminaryproceduresbeforeupgradingtothenewDataONTAPrelease.Requiredproceduresmightincludethefollowing:Resolveupgradeissues,includi
36、ngperforminganintermediateupgrade.EnsurethatyouhaveacurrentSnapshotcopyoftherootvolumeofanysystembeingupgraded.EnsurethatyouhaveacurrentSnapshotcopyoftheSnapMirrorsourceanddestinationvolumes.ThishelpsavoidabaselinetransferifyouneedtorevertordowngradethesystemtoapreviousDataONTAPrelease.Updatediskfir
37、mware.Updatediskshelffirmware.Updatestoragesystemfirmware.3. ObtaintheappropriatesoftwareimagefromtheNetAppSupportSite.TheseimagesmustbeavailabletoyourstoragesystemdirectlyortoanHTTPserveronyournetwork.4. InstalltheDataONTAPsoftwareimageonyourstoragesystem.Youcanextractthesystemfilesfromthesoftwarei
38、magebeforeorduringthedownloadprocess.5. DownloadthenewDataONTPsystemfilestothebootdevice.TheupgradeprocessisfinishedwhentheHApairorsinglesystemrebootswiththenewversionOfDataONTAP.Note:TheDataONTAPkernelbootsfromabootdevice,notfromabootvolumeondisk.FormoreinformationaboutbootingDataONTAP,seetheDataON
39、TAPSystemAdministrationGuidefor7-Mode.6. Verifythatyoursystemsareoperatingasexpectedaftertheupgrade.Beforereturningstoragesystemstoproduction,youshouldcheckthestatusofconfiguredfunctionalityandre-enableanyfunctionalitythatwassuspendedbeforetheupgrade.RelatedconceptsPlanningyourupgradeonpage7Updating
40、finwareonpage57ObtainingDataONTAPsoftwareimagesonpage33InstallingDataONTAPsoftwareimagesonpage39DownloadingandupgradingnewDataONTPsoftwareonpage43RevertingtoanearlierDataONTAPreleasefamilyonpage68Downgradingtoanearlierreleaseinthesamereleasefamilyonpage86RelatedtasksPreparingfortheupgradeonpage24Rel
41、atedinformationUpgradeAdvisor:DownloadSoftware:SUPPOInteroperabilityMatrix:GuidelinesforestimatingthedurationoftheupgradeprocessForeachHApair,youshouldplanforapproximately30minutestocompletepreparatorysteps,60minutestoperformtheupgrade,and30minutestocompletepost-upgradesteps.Theupgradedurationguidel
42、inesarebasedontypicalconfigurationsandworkloads.Youcanusetheseguidelinestoestimatethetimeitwilltaketoperformanondisruptiveupgradeinyourenvironment.RecommendationsforallsystemsupgradingtothisreleaseYoushouldfollowcertainguidelinestoensurethatyourstoragesystemupgradegoessmoothly.Youshoulddothefollowin
43、g:ReviewtheImportantcautionssectionoftheReleaseNotesforthisDataONTAPrelease.Itcontainsimportantinformationthatcouldaffectthebehaviorofyoursystemduringandafterupgrading.Upgradeduringnon-peakhours.Avoidperformingaquotainitializationpriortoupgrading.Ifaquotainitializationisinprocesspriortoupgrading,wai
44、tfortheinitializationtofinish.Youmightalsoneedtoconsiderthefollowingpointsbasedonyourconfiguration:IfyourequiresystemaccessduringthedownloadprocessYoucansetthetelnet.distinct.enableoption,whichenablesyoutoopenaTelnetorSSH-interactivesessionwhilethedownloadcommandisnnningseparatelyontheconsole.Formor
45、einformationaboutalternativemethodsofaccessingthestoragesystem,seetheDataONTAPSystemAdministrationGuidefor7-Mode.UpgradehostrequirementsAnupgradehost,theclientsystemorserverfromwhichyouupgradeDataONTP,mustmeetcertainrequirements.YoucanupgradeDataONTAPfromaWindowsorUNIXclient,orfromanHTTPserver.Theho
46、stfromwhichyouupgradeyourstoragesystemmusthaveaccesstoatleastoneofthefollowingitems:,TheNetAppSupportSite,fromwhichyoucanobtainDataONTAPsoftwareimagesDataONTAPsoftwareimagesinyourenvironmentThefollowingarewaysyoucanmakesoftwareimagesavailabletostoragesystems: Portablestoragemedia(suchasaCD-RorUSBdrive)containingtheimages AnHTTPservercontainingDataONTAPsoftwareimagesYoucaninstallDataONTAPsystemfilesafteryoupreparetheupgradehost.RelatedconceptsInstallingDataONTAPSOftWareimagesonpage39Requ
