ESX QE450.2 Especificaciones descargar pdf (Pagina 240)

Basic System Administration

240 VMware, Inc.

Aspecifichostfeature’seffectsoncompatibilityaredependentonwhetherornotESX

Serverexposesorhidesthemfromvirtualmachines:

 Featuresthatareexposedtovirtualmachinesarenotcompatiblewhentheyare

mismatched.

 Featuresthatarenotexposedtovirtualmachinesarecompatibleregardlessof

mismatches.

CPU Compatibility Masks

VirtualCentercomparestheCPUfeaturesoftwohoststodeterminewhethertoallow

ordisallowmigrationswithVMotion.AnewcapabilityinVirtualCenter2.0calledCPU

compatibilitymasksallowsper‐virtualmachine,advancedcustomizationoftheCPU

featuresthatavirtualmachineshouldrequireforCPUcompatibilityduringa

migrationwith

VMotion.

 DefaultvaluesfortheCPUcompatibilitymasksaresetbyVMwaretoguarantee

thestabilityofvirtualmachinesafteramigrationwithVMotion.Changestothese

defaultmasksaremadeveryconservativelybyVMware,andonlywhennewCPU

featuresareintroducedandversionsofESXServerareupdatedtoexpose

orhide

themfromvirtualmachines.

 Insomecases,whereachoicebetweenCPUcompatibilityorguestoperating

systemfeatures(suchasNX/XD)exists,VMwareprovidescheck‐boxoptionsto

configureindividualvirtualmachinesthroughthevirtualmachine’sAdvanced

Settingsoption.Advancedvirtualmachinevirtualhostmodificationscanbeused

bydevelopers.

OTEEditingavirtualmachine’sCPUcompatibilitymaskissupportedinESXServer

3.xonly.

Choose between Nx/xD

Security features or Broadest

VMotion Compatibility

For future CPU features, edit

mask at the bit level

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ESX QE450.2 Especificaciones Pagina 240