ESX QE450.2 Specifikace stáhnout pdf (Strana 118)

Basic System Administration

118 VMware, Inc.

About Hosts

Ahostisavirtualizationplatform,anESXServersystem,thatsupportsvirtual

machines.AVirtualCentermanagedhostisanESXServerhostthatisregisteredwith

VirtualCenter.ThetaskofmanagingahostisaccomplishedthroughtheVMware

InfrastructureClient.ThisVIClientcanbeconnectedeitherdirectlytoan

ESXServer

hostorindirectlytohoststhroughaconnectiontoaVirtualCenterServer.

WhenESXServerhostsareconnectedtotheVIClientdirectly,youmanagethem

individuallyasstandalonehosts.Mostofthehostconfigurationandvirtualmachine

configurationfeaturesstillapply.Featuresthatrequiremultiplehosts,such

as

migrationwithVMotionofavirtualmachinefromonehosttoanother,arenotavailable

throughthestandalonehostconnection.

WhenESXServerhostsaremanagedbyVirtualCenter,theyareaddedtotheVMware

InfrastructureenvironmentthroughaVIClientconnectedtoaVirtualCenterServer.

Managedhostsarehierarchicallyplaced

indatacenters,folders,orclustersunderthe

rootnodefolder.

Allvirtualmachinesonmanagedhostsarediscoveredandimportedinto

VirtualCenter.Whenyouaddmultiplemanagedhosts,theVirtualCenterServer

identifiesanynamingconflictsthatexistbetweenvirtualmachinesandalertsthe

systemadministrator,whocanthenrenamevirtual

machinesasnecessary.Configure

thevirtualmachinedisplaynames.Thenamecanbeupto80characterslongandmay

containalphanumericcharactersandtheunderscore(_)andhyphen(‐)characters.The

namemustalsobeuniqueacrossallvirtualmachineswithinavirtualmachinegroup.

Namesarecase‐insensitive:

thenameʺmy_vmʺisidenticaltoʺMy_Vmʺ.

WhentheVirtualCenterServerconnectstoamanagedhost,itdoessoasaprivileged

user.TheindividualVMwareInfrastructureClientuserdoesnotnecessarilyneedtobe 

anadministrativeuseronthemanagedhost.See“AssigningAccessPermissions”on

page 275forinformation

onsettingupVMwareInfrastructureClientusers.

CAUTIONIfanESXServerhostisconnectedwithaVirtualCenterServerandyou

attachedaVIClienttomanagetheESXServerhostdirectly,youreceiveanerror

messagebutareallowedtoproceed.Thismightresultinconflictsonthehost,especially

ifthehostispartofa

cluster.Thisactionisstronglydiscouraged.

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ESX QE450.2 Specifikace Strana 118