Google Search Appliance Upgrade and Migration Handbook Manual de usuario descargar pdf (Pagina 16)

Disadvantagesofthismigrationmethod:

● Moretimeintensivethanmirroring,asallcontentneedstoberecrawledorrefedbyconnectors

andfeeds

● Additionalconnectorsorfeedclientsmayneedtobesetuponnewhosts,sinceexisting

connectorsandfeedsmayneedtocontinuetosendtotheproductionGSA(forcontentfreshness

and/orauthorization)

● Createsadditionalloadtotargetcontentserversduringrecrawl

Requirements

● Configurationfilemigrationisgenerallyrecommendedonlybetweenappliancesofthesameversion

● ConfigurationfilecompatibilitybetweendifferentGSAversionsisnotguaranteed,andifperformed,

configurationsshouldbeverifiedtoensureallsettingsareincluded.

Approach

Thefollowingstepsdescribetheapproachofmigratingasearchappliancebyconfigurationfiles:

1. ExaminetheGSAversionofthe“target”GSAandcheckreleasenotesofthisversionandofany

laterpatches,forissuesthatmayaffectthedeploymentenvironment.UpdatethetargetGSAtothe

appropriatepatchifnecessary.

2. Exportconfigurationfile(s)fromexistingGSAandimportthemintothenewappliance.Ifthesource

andtargetGSAsoftwareversionsarethesame,theoverallGSAconfigurationfilecanbeexported

andimported.Ifnot,choosevariouscomponentsoftheadminconsoletoexport(eg.frontendXSLT

orcollectiondefinitions).

3. [optional]Iftherearefeedclientsorconnectorsinuse,newinstancesofthefeedclientsor

connectorsneedtobesetupwiththetargetappliance,toindexallcontent.

4. [optional]Ifitiscriticaltohavefreshcontentinproductionsystemandthecontentserverscantake

onextraload,theexistingapplianceshouldbekeptcrawling.Iffreshnessisnotcritical,pausethe

crawlontheexistingapplianceandanyconnectorsorfeedclients.

5. Allowthenewappliancetocompletelycrawlandindexallcontent.

6. [optional]Ifaproductionbackupapplianceisinuse,enablemirroringandsetupthealready

configuredapplianceasthemaster,andthenewproductionbackupasthereplica.Letthereplica

syncto100%.

7. Cutovertonewappliance(s)anddecommissionoldappliance(s).

Fordetailsonhowtoperformaconfigurationfileimportandexport,refertotheGSAAdminHelppagefor

Administration>ImportandExport.

Migrationscenarios

Thissectiondescribesconsiderationsandapproachestobetakenincommonscenariosformigration:

● Renewingsearchappliances

● PromotingaGSAconfigurationfromoneenvironmenttoanother

● Increasinglicensecount

● MigratingwithexistingmirroredGSAs

● MigratingwithadistributedGSAarchitecture

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Google Search Appliance Upgrade and Migration Handbook Manual de usuario Pagina 16