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VMware Stage Manager User’s Guide
52 VMware, Inc.
Cloning Existing Templates
Youcancreatealinkedcloneorafullcloneofatemplatetotakeadvantageofsoftware
alreadyinstalledonthattemplate.
Alinkedcloneoperationgeneratesa“quick”copybycreatingadeltadiskinsteadof
copyinganentirevirtualharddisk.Thisoperationaddressesvirtualmachine
proliferationby
using“referentialprovisioning,”aprocessthatinvolvesstoringnew
changesbutreferringbacktoachainofdeltadisks.Foreachclone,Stage Manager
freezestheoriginaldeltadiskandcreatesanewone.
Afullcloneoperationcopiesallofthedeltadisksandthemasterdisk.Theoriginal
templatecontinues
toexist.Unlikelinkedcloning,fullcloningcreatesanewtemplate
thatisaconsolidatedversionoftheoriginalwithnodependenciesonabasedisk.The
newtemplatebecomesitsownbasedisk.
Typically,youdonotcreatefullclonesexceptundertheseconditions:
Todismantlethestorageandmovethetemplatetoadifferentserver
Tomaximizeperformanceforvirtualmachines(forexample,forcertain
productionlevelvirtualmachines)
Afullcloneoperationtakesalongertimethanalinkedcloneoperation.
Linkedcloneandfullcloneoperationsinvolvespecifyingdeploymentandstorage
leases.See“ReviewingtheResourceCleanupTabonpage 103.
Aftercloningatemplate,you
mustverifytheversionofVMware Toolsonthetemplate.
InformationonVMwareToolsappearsintheVirtualMachineTemplatespage.
IftheversionisUnknown,deployingthetemplateallowsStage Managertoassess
theversionanddisplayinformationonthepage.See“DeployingTemplateson
page 37.
IftheversionappearsasInstalled(RequiresUpdate),youmustinstall
VMware Tools.Stage ManagerisdependentonVMware Toolsforguest
customization.See“InstallingVMware Tools”onpage 39.
To make a linked clone of a template
1Intheleftpane,clickVMTemplates.
2Movethepointeroverthetemplatename,andchooseMakeLinkedClonefrom
themenu.
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