VMware Workstation 7 Manuel d'utilisateur télécharger pdf (Page 203)

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Chapter 9 Preserving the State of a Virtual Machine

Using Snapshots

Takingsnapshotsletsyoupreservethestateofthevirtualmachinesothatyoucan

returntothesamestaterepeatedly.

Scenarios for Using Multiple Snapshots

Youcantakemultiplesnapshotsofavirtualmachine.

Snapshots in a Linear Process

Takingsnapshotsinalinearprocessmeanstakingasnapshot,continuingtousethe

virtualmachinefromthatpoint,takinganothersnapshotatalaterpoint,andsoon.

Eachsnapshotisarestorationpointinasinglelongsequence.

Figure 9-1. Snapshots as Restoration Points in a Linear Process

Workstationsupportsmorethan100snapshotsforeachlinearprocess.

Usesnapshotsinalinear

processforthefollowingsitu ations:

 Youplantomakeriskychangesinavirtualmachine,suchasbytestingnew

softwareorexaminingavirus.Beforeaddingnew,untestedcodetoaproject,take

asnapshot.

Youcanalwaysreverttoapreviousknownworkingstateoftheprojectifthenew

codedoesnotworkasexpected

.Ifthenewcodecausesnoproblems,youcantake

anothersnapshotofthevirtualmachineinitsnewstate.

 Youcreateatrainingcourseandwanttosavethestateofthevirtualmachineina

snapshotateachlesson’sstartingpoint.Youcanusethesnapshotstoskiplengthy

computerpreparationtime.

Youcanalsoconfigurethevirtualmachinetoreverttoasnapshotanytimeitis

poweredoff.Eachtimeane

wclassbeginsalesson,thepreviousstudent’sworkis

discarded.See“RevertatPowerOff”onpage 211.

OTEYoucanconfigureavirtualmachinetotakeasnapshotanytimeitis

poweredoff,preservingavirtualaudittrailasworkprogresses.See“Takeor

ReverttoaSnapshotatPowerOff”onpage 213.

lesson 1Windows

operating system

lesson 2 lesson 3 lesson 4 lesson 5

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VMware Workstation 7 Manuel d'utilisateur Page 203