ESX QE450.2 Spécifications Page 22

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Basic System Administration
22 VMware, Inc.
VirtualCenterServerTheworkingcoreofVirtualCenter.VirtualCenterServerisa
singleWindowsServiceandisinstalledtorunautomatically.AsaWindows
Service,theVirtualCenterServerrunscontinuouslyinthebackground,
performingitsmonitoringandmanagingactivitiesevenwhennoVIClientsare
connectedandevenifnobodyis
loggedontothecomputerwhereitresides.It
musthavenetworkaccesstoallthehostsitmanagesandbeavailablefornetwork
accessfromanymachinewheretheVIClientisrun.
VirtualCenterServercanbeinstalledinaWindowsvirtualmachineonanESX
Serverhost,allowing
ittotakeadvantageofthehighavailabilityaffordedby
VMwareHA.SeetheInstallationGuidefordetailsonsettingupthisconfiguration.
VirtualCentermodulesApplicationsthatprovideadditionalfeaturesand
functionalitytoVirtualCenter.Typically,modulesconsistofaservercomponent
andaclientcomponent.Aftertheservercomponentofamoduleisinstalled,itis
registeredwiththeVirtualCenterserverandtheclientcomponentisavailableto
VirtualCenterclientsfordownload(see
“ManagingVirtualCenterModules”on
page 67).AfteramoduleisinstalledonaVirtualCenterclient,itmightalterthe
interfacebyaddingviews,tabs,toolbarbuttons,ormenuoptionsrelatedtothe
addedfunctionality.
ModulesleveragecoreVirtualCentercapabilities,suchasauthenticationand
permissionmanagement,butcanhavetheirowntypesof
events,tasks,metadata,
andprivileges.
ModulesrequireVirtualCenter,buttheycanbeinstalledanytimeafter
VirtualCenterhasbeeninstalled.ModulesandVirtualCentercanbeupgraded
independentofeachother.
VirtualCenterdatabaseApersistentstorageareaformaintainingstatusofeach
virtualmachine,host,andusermanagedintheVirtualCenterenvironment.The
VirtualCenterdatabasecanberemoteorlocaltotheVirtualCenterServermachine.
ThedatabaseisinstalledandconfiguredduringVirtualCenterinstallation.
IfyouareaccessingyourESXServer
hostdirectlythroughaVIClient,andnot
throughaVirtualCenterServerandassociatedVIClient,youdonotusea
VirtualCenterdatabase.
DatastoreThestoragelocationsforthevirtualmachinefilesspecifiedwhen
creatingvirtualmachines.Datastoreshidetheidiosyncrasiesofvariousstorage
options(suchasVMFSvolumesonlocalSCSIdisksoftheserver,the FibreChannel
SANdiskarrays,theiSCSISANdiskarrays,orNetworkAttachedStorage(NAS)
arrays)
andprovideauniformmodelforvariousstorageproductsrequiredby
virtualmachines.
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