VMware, Inc. 245
Chapter 11 Using Disks and Disk Drives
Prerequisites for Using a Physical Disk
BeforeyouruntheNewVirtualMachinewizardorusethevirtualmachinesettings
editortoaddaphysical(raw)disk,performthefollowingtasks:
Becausethevirtualmachineandguestoperatingsystemaccessaphysicaldisk
partitionwhilethehostcontinuestorunitsoperatingsystem,verifythatthe
partitionisnotmountedbythehostorinusebyanothervirtualmachine.
Corruptionispossibleifyouallowthevirtualmachinetomodifyapartitionth
at
issimu
ltaneouslymountedonthehostoperatingsystem.
Checktheguestoperatingsystemdocumentationregardingthetypeofpartition
onwhichtheoperatingsystemcanbeinstalled.
OnWindowsVistaandWindows7hosts,youcannotusethesystempartition
orthephysicaldiskthatcontainsitinavirtualmachine.
DOS,Windows95,andWindows98operatingsystemsmustbeinstalledon
thefirstprimarypartition.
Otheroperatingsystems,suchasLinux,canbeinstalledonaprimaryoran
extendedpartitiononanypartofthedrive.
Makesurethephysicalpartitionordiskdoesnothavedatayouneedinthefuture.
Ifitdoes,backupthedata.
OnWindowshosts:
IfyouuseaWindowshost’sIDEdiskinaphysicaldiskconfiguration,make
sureitisnotconfiguredastheslaveonthesecondaryIDEchannelifthe
masteronthatchannelisaCD‐ROMdrive.
IfyourhostisrunningWindowsXPorWindowsServer2003,donotusea
dynamicdiskasaphysicaldiskinavirtualmachine.Usethedisk
managementtooltocheckthedisktypeandchangeadynamicdisktoabasic
disk,whichdestroysalldata.See“ChangeaWi
ndowsDiskTyp
efrom
DynamictoBasic”onpage 246.
OnLinuxhosts,setthedevicegroupmembershipordeviceownership
appropriately.See“SetPermissionsonLinuxHosts”onpage 247.
Afteryoudeterminethatthephysicaldiskmeetstheseprerequisites,useeitherofthe
followingstrategiestousethephysicaldiskinavirtualmachine:
“CreateaVirtualMachineThatUsesaPhysicalDisk”onpage 247
“A dd aPhysicalDisktoanExistingVirtualMachine”onpage 249
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