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Table Of Contents
VMware ACE Administrator’s Manual
150 VMware, Inc.
Setting Snapshot Policies
Youcansetpolicyoptionsfortwotypesofsnapshots:
ReimagesnapshotsTheprogramautomaticallytakesareimagesnapshotofan
ACEinstancewhentheACEiscreated.Ittakesthesnapshotafteralltherequired
instancesetupstepsarecomplete(including,ifapplicable,encryption,instance
customization,anddomainjoin).ThesnapshotistakenwhiletheACEinstanceis
powered
off.
UsersnapshotsYoucanenableuserstotakeausersnapshotoftheACEinstance
eitherwhentheinstanceisrunningorimmediatelyafterpoweringitoff,andyou
canalsoenablethemtodeletethatusersnapshot.Ifyouenableoptionsinthis
policyforthisusersnapshot,Snapshot
appearsintheVMmenuwhentheACE
instanceispoweredon.Onlyoneusersnapshotcanbesavedatatime.
Thetwosnapshottypesdifferintheseways:
PrimaryusesReimagesnapshotsallowtheACEadministrator,ortheuserifthe
administratorenablesreimagesnapshotoptionsfortheuser,toreverttheACE
instancetoitsknowngoodstartingstateortotheknowngoodupdatedreimage
state.Theadministratormighttelltheusertoreverttothe
reimagesnapshottofix
aproblemwiththevirtualmachine.Theadministratoralsomightpatchthevirtual
machineorinstallnewsoftware,retakethereimagesnapshot,andthenrevertthe
machinetothesnapshotorinstructtheusertodoso.Usersnapshotsenablethe
usertoreturnthevirtual
machinetoaknownstablestate.
WhentheyarefirsttakenThereimagesnapshotisfirsttakenautomaticallyafter
theACEinstanceiscreatedbutbeforeitisrunforthefirsttime.Ausersnapshotis
takenwhenevertheuserchoosesafterpoweringontheACEinstance.
PrecedenceThereimagesnapshotmustalwaysbeolderthantheusersnapshot.
Takinganewreimagesnapshotdeletesanyexistingusersnapshot.Usersnapshots
canbetaken,revertedto,anddeletedwithoutaffectingthereimagesnapshot.
PowerstatewhentakenUsersnapshotscanbetakenbothinpoweredonand
poweredoffstates.Thereimagesnapshotisonlytakeninapoweredoffstate.
NOTEYoucanmanuallydisabletheautomaticreimagesnapshotbyeditingthe
ACEmastersaceMaster.datfile.Edittheoptionpackaging.takeReimageSnapshot.
NOTEYoucan’ttakesnapshotsofaPocketACEinstance.FormoreaboutPocketACEs,
seeChapter10,“PocketACE,”onpage207.