Dell VMware ESX Server 3i Installationsanleitung PDF herunterladen (Seite 35)

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Chapter 3 VirtualCenter and ESX Server 3 Licensing Overview

 ServerVMotionandStorageVMotion–Tomigrateapowered‐onvirtual

machinebetweenhosts,eachESX ServerprocessorinvolvedmusthaveaVMotion

licensekey.For example,ifyouuseVMotionfromadual‐processorESX Server

hosttoanotherdual‐processorhost,youmusthavefourVMotionlicenses.

See BasicSystemAdministration.

 VMware HA–TorestartvirtualmachineswhoseESX Serverhosthasfailed,the

VirtualCenter ServermusthaveanHAlicensekeyforeachESX Serverprocessor

intheHAcluster.See theResourceManagementGuide.

 VMwareDRSandDPM–Toprovideloadbalancingofvirtualmachinesamong

hostsanddistributedpowermanagement,theVirtualCenter Servermusthavea

DRSlicensekeyforeachESX ServerprocessorintheDRScluster.See theResource

ManagementGuide.Asaprerequisite,DRSrequiresappropriateVMotionlicense

keysforallhosts

intheDRScluster.

Per-Instance Licensing

Featuresthatarelicensedonaper‐instancebasisrequireonlyonelicensekeyper

featureinstance,regardlessofthenumberofprocessorsused.TheVirtualCenter Server

iscurrentlytheonlyfeaturelicensedonaper‐instancebasis.

ForinformationondifferenteditionsofVirtualCenter,see“VirtualCenter Server

Editions”onpage 30.

License Expiration Considerations

WhentheFLEXnetlicenseserverexpiresalicense,theVIClientdoesnotimmediately

displayamessageinformingyouthatthelicenseisexpiring.Themessagecanappear

anytimeinthe24hoursaftertheFLEXnetlicenseserverexpiresthelicense.

Ifyouchangethelicenseserversystemtimewhilethe

VI Clientisrunning,the

VI Clientmightnotreportthelicenseexpiration.

License Server Availability

VMwareprovidesthefollowingmechanismsthathelppreventthelicenseserverfrom

beingasinglepointoffailure.Thelicenseserveractsprimarilyasalicensedistribution

mechanism.Ifyourlicenseserverbecomesunavailable,youcannotissueanynew

licensestoenablenewhostsornewfeatures.

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Dell VMware ESX Server 3i Installationsanleitung Seite 35