Google Search Appliance Upgrade and Migration Handbook Manuale Utente Scaricare il pdf (Pagina 10)

Indexingconsiderations

Whenupgradingasearchappliancethatusesconnectorsorfeedstoindexdocuments,theconnectoror

feedsmustbestoppedorpausedforthedurationoftheupdateprocess,astheGSAwillnotprocessfeeds

duringthecourseofanupgrade.

Servingconsiderations

Whenconnectorsareusedforauthenticationand/orauthorization,andservingisswitchedtoamirroredor

hotbackupsearchapplianceduringtheupgradeofamasterGSA,theconnectorwillneedtobeconfigured

torespondtoauthentication/authorizationrequestsfromthealternativeGSA.Thiscanbeachievedby

followingtheinstructionsin“ConfiguringConnectorswithGSAMirroring.”

ExecutingaGSAupgrade

Thefollowingstepsoutlinethefinalpreparationsrecommendedpriortoexecutingaversionupgradetothe

GSA:

BecomefamiliarwiththeUpdateInstructions

TheUpdateInstructionsforthetargetedreleaseversioncontaincriticalinformationrelatedtoexecutingthe

upgrade,andmayincludespecialconsiderationsthatapplytocertaindeploymentenvironments.For

example:

● IfMirroring,DistributedCrawlingandServe,orUnificationareinuse,theUpdateInstructionsfor

eachversionwillcontainspecificstepstobefollowed

● IfPolicyACLsorDynamicNavigationareinuse,theUpdateInstructionsmayhavespecial

considerationsforthesefeatures.

Determinewhethertorebuildormigratethesearchindex

Mostversionupgradeswillprovidetheoptioneithertomigratetheexistingsearchindextothenewversion,

orwipetheindexandforcearecrawlofallcontent(feedsandconnectorswillalsoneedtoresendall

content).Inmostcases,migratingtheindexisthemosteffectivemeanstoperformanupdate.

Situationswhererebuildingtheindexwouldbeappropriateinclude:

● Whenreindexingisrequiredtotakeadvantageofnewfeatures.Forexample,usingDocument

Previewsinv7.0requirescontenttobereindexed.

● WhenupdatingaReplicasearchapplianceinamirroredGSAnetwork,theindexoftheReplica

GSAshouldnotbemigratedandwillneedtobesynchronizedfromtheMasterGSAoncethe

updateiscomplete.

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Google Search Appliance Upgrade and Migration Handbook Manuale Utente Pagina 10