ESX QE450.2 Dokumentacja Pobierz pdf (Strona 26)

Basic System Administration

26 VMware, Inc.

Managed Components

VirtualCentermonitorsandmanagesvariouscomponentsofyourvirtualandphysical

infrastructure.Somecomponentsareavailablefororganizingpotentiallyhundredsof

virtualmachinesandotherobjects.Theycanberenamedtorepresenttheirpurposes;

forexample,theycanbenamedaftercompanydepartmentsorlocationsorfunctions.

Themanagedcomponentsare:

 VirtualMachinesandTemplates–Avirtualizedx86personalcomputer

environmentinwhichaguestoperatingsystemandassociatedapplication

softwarecanrun.Multiplevirtualmachinescanoperateonthesamemanagedhost

machineconcurrently.Templatesareadesignatedtypeofvirtualmachine.

 Hosts–Theprimarycomponentuponwhichallvirtualmachinesreside.Ifthe

VMwareInfrastructureClientisconnectedtoaVirtualCenterServer,allhosts

managedbythatVirtualCenterServerareavailableformanagement.Ifthe

VMwareInfrastructureClientisconnecteddirectlytoanESXServerhost,onlythat

hostisavailable

formanagement.

 Resourcepools–Astructurethatallowsdelegationofcontrolovertheresources

ofahost.Resourcepoolsareusedtocompartmentalizeallresourcesinacluster.

Youcancreatemultipleresourcepoolsasdirectchildrenofahostorclusterand

configurethem.Thendelegatecontroloverthemtoother

individualsor

organizations.ThemanagedresourcesareCPUandmemoryfromahostorcluster.

Virtualmachinesexecutein,anddrawtheirresourcesfrom,resourcepools.

 Clusters–AcollectionofESXServerhostswithsharedresourcesandashared

managementinterface.Whenyouaddahosttoacluster,thehost’sresources

becomepartofthecluster’sresources.Theclustermanagestheresourcesofall

hosts.SeetheResourceManagementGuide.

 Datastores–Virtualrepresentationsofcombinationsofunderlyingphysical

storageresourcesinthedatacenter.Thesephysicalstorageresourcescancome

fromthelocalSCSIdiskoftheserver,theFibreChannelSANdiskarrays,theiSCSI

SANdiskarrays,orNetworkAttachedStorage(NAS)arrays.

 Networks–Networksthatconnectvirtualmachinestoeachotherinthevirtual

environmentortothephysicalnetworkoutside.

OTEWhenVirtualCenterreferstoahost,thismeansthephysicalmachineon

whichthevirtualmachinesarerunning.AllvirtualmachineswithintheVMware

InfrastructureenvironmentrunonESXServerorhosts.Thetermhostinthis

manualmeanstheESXServerhostthathasvirtualmachinesonit.

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ESX QE450.2 Dokumentacja Strona 26