ESX QE450.2 Specifikace stáhnout pdf (Strana 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

1 2 ... 235 236 237 238 239 240 241 242 243 244 245 ... 387 388

Žádné komentáře

ESX QE450.2 Specifikace Strana 240