VMware ESX Manual

A SERVICE OF

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ESX Server 3 and VirtualCenter Installation Guide

34 VMware, Inc.

For example,youpurchaseESX ServerlicensesfortenprocessorsandVMotionlicenses

forsixprocessors.Youcanthendeploythoselicensesonanyofthefollowing

combinationsofservers:

 ESX Serveronfive2‐processorhosts.EnableVMotiononthreehosts.

 ESX Serveronthree2‐processorhostsandone4‐processorhost.EnableVMotion

onthree2‐processorhosts,oronone2‐processorhostanda4‐processorhost.

 ESX Serverontwo4‐processorhostsandone2‐processorhost.EnableVMotionon

one4‐processorhostandone2‐processorhost.

 ESX Serveronone8‐processorhostandone2‐processorhost.VMotionbetween

thesetwohostscannotbeenabledunlessyoupurchaseanadditional4‐processor

VMotionlicense.

Specialconsiderationsinclude:

 Dual‐coreandquad‐coreprocessors,suchasIntelx86processorsthatcombinetwo

orfourindependentcentralprocessingunitsonasinglechip,countasone

processor.

 Youcannotpartiallylicenseamultiprocessorhost.For example,a4‐CPUhost

requiresalicensewiththecapacityforfourprocessors.

 Single‐processorlicensingissupportedforserver‐basedlicenses.Ingeneral,for

server‐basedlicensing,checkoutoflicensesinoddquantitiesissupported.

However,host‐basedfilescannotbegeneratedwithoddquantities.Theymustbe

generatedinmultiplesoftwo.

Thefollowingfeaturesarelicensedonaper‐processorbasis:

 ESX Server–Topoweronavirtualmachine,ahostmusthavelicensingona

per‐processorbasis.Thismeansadual‐processorhostrequirestwomatching

ESX Serverlicenses.Afour‐processormachinerequiresfourmatchingESX Server

licenses.See “ESX Server 3Editions”onpage 28.

 VMwareConsolidatedBackup(VCB)–ToleveragethenewConsolidated

Backupcapabilities—andbackupofallvirtualmachinesrunningonanESX Server

host—aVCBlicensekeymustbeavailableforeachprocessorwithinthathost.

See theVirtualMachineBackupGuideforadescriptionofthisfeature.

 VirtualCenterAgentforESX Server–ThisagentisinstalledonanESX Server

hostwhenitisaddedtoyourVirtualCenter Server.Youmusthaveoneagent

licensekeyforeachESX Serverprocessortobeaddedtoyour

VirtualCenter Server.