VMware ESX 4.0 - GETTING STARTED UPDATE 1 Uživatelský manuál stáhnout pdf (Strana 4)

Getting Started with ESX Server 3i Installable

4 VMware, Inc.

VMware Infrastructure Components

FamiliaritywiththecomponentsthatmakeupaVMwareInfrastructureenvironment

helpsyouunderstandthesetupprocessand,ultimately,theprocessofrunningvirtual

machinesusingVMwareVirtualCenter.VMwareInfrastructureincludesthefollowing

components:

 TheVMwareInfrastructureClient–TheVI Clientistheinterfacetothe

VirtualCenterServerandhosts.Italsoprovidesconsoleaccesstovirtualmachines.

 TheVMwareVirtualCenterServer–TheVirtualCenterServerunifiesresources

fromindividualhostssothatthoseresourcescanbesharedamongvirtual

machinesintheentiredatacenter.Itaccomplishesthisbymanagingthe

assignmentofvirtualmachinestothehostsandtheassignmentofresourcestothe

virtualmachineswithina

givenhostbasedonthepoliciessetbythesystem

administrator.

TheVirtualCenterServerallowstheuseofadvancedVMwareInfrastructure

featuressuchasVMwareDistributedResourceScheduler(DRS),VMwareHigh

Availability(HA),andVMwareVMotion.

 Datacenter–Adatacenterisastructureunderwhichyouaddhostsandtheir

associatedvirtualmachinestotheVirtualCenterinventory.

 Host–AhostisacomputerthatusestheESX Server 3ivirtualizationsoftwarerun

virtualmachines.HostsprovideCPUandmemoryresources,accesstostorage,

andnetworkconnectivityforvirtualmachinesthatresideonthem.Youmusthave

ahostbeforefollowingthestepsinthismanual.

 VirtualMachine–Avirtualmachineisasoftwarecomputerthat,likeaphysical

computer,runsanoperatingsystemandapplications.Multiplevirtualmachines

canrunonthesamehostatthesametime.Virtualmachinesmanagedbythe

VirtualCenterServercanalsorunonaclusterofhosts.

Therelationships

amongthebasiccomponentsofVMwareInfrastructureareshownin

Figure 1.

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VMware ESX 4.0 - GETTING STARTED UPDATE 1 Uživatelský manuál Strana 4