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Chapter 1 VMware Infrastructure Components

 VMwareDRS–Afeaturethathelpsimproveresourceallocationandpower

consumptionacrossallhostsandresourcepools.VMwareDRScollectsresource

usageinformationforallhostsandvirtualmachinesintheclusterandgives

recommendations(ormigratesvirtualmachines)inoneoftwosituations:

 Initialplacement–Whenyoufirstpoweronavirtualmachineinthecluster,

DRSeitherplacesthevirtualmachineormakesarecommendation.

 Loadbalancing–DRStriestoimproveresourceutilizationacrossthecluster

byperformingautomaticmigrationsofvirtualmachines(VMotion)orby

providingarecommendationforvirtualmachinemigrations.

VMwareDRSincludesexperimentaldistributedpowermanagement(DPM)

capabilities.WhenDPMisenabled,thesystemcomparescluster‐andhost‐level

capacityto

thedemandsofvirtualmachinesrunninginthecluster.Basedonthe

resultsofthecomparison,DPMrecommends(orautomaticallyimplements)

actionsthatcanreducethepowerconsumptionofthecluster.

 VMwareInfrastructureSDKpackage–APIsformanagingvirtualinfrastructure

anddocumentationdescribingthoseAPIs.TheSDKalsoincludesthe

VirtualCenterWebServiceinterface,WebServicesDescriptionLanguage(WSDL),

andexamplefiles.Thisisavailablethroughanexternallink.TodownloadtheSDK

package,seehttp://www.vmware.com/support/developer.

VirtualCenter Modules

VirtualCentermodulesextendthecapabilitiesofVirtualCenterbyprovidingadditional

featuresandfunctionality.Somemodulesarepackagedseparatelyfromthebase

productandrequireseparateinstallation.Modulesandthebaseproductcanbe

upgradedindependentlyofeachother.VMwaremodulesinclude:

 VMwareUpdateManager–Enablesadministratorstoapplyupdatesandpatches

acrossESXServerhostsandallmanagedvirtualmachines.Thismoduleprovides

theabilitytocreateuser‐definedsecuritybaselineswhichrepresentasetofsecurity

standards.Securityadministratorscancomparehostsandvirtualmachines

againstthesebaselinestoidentify

andremediatesystemsthatarenotin

compliance.

 VMwareConverterEnterpriseforVirtualCenter–Enablesuserstoconvert

physicalmachines,andvirtualmachinesinavarietyofformats,toESXServer

virtualmachines.ConvertedsystemscanbeimportedintotheVirtualCenter

inventory.

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ESX QE450.2 Spécifications Page 25