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Chapter 12 Configuring Virtual Machines

LUNusingtheirNPIVWWNs.Ensurethataccessisprovidedtoboththehost

andthevirtualmachines.

 ThephysicalHBAsontheESXServerhostmustsupportNPIV.Ifthephysical

HBAsdonotsupportNPIV,thevirtualmachinesrunningonthathostwillfall

backtousingtheWWNsofthehost’sphysicalHBAsforLUNaccess.

 Eachvirtualmachinecanhaveupto4virtualports.NPIV‐enabledvirtual

machinesareassignedexactly4NPIV‐relatedWWNs,whichareusedto

communicatewithphysicalHBAsthroughvirtualports.Therefore,virtual

machinescanutilizeupto4physicalHBAsforNPIVpurposes.

Tovieworeditavirtual

machine’sWWNs:

aToeditthevirtualmachine’sWWNs,poweroffthevirtualmachine.

bEnsurethatthevirtualmachinehasadatastorecontainingaLUNthathas

beenmadeavailabletothehost.

c SelecttheOptionstab.

d SelectFibreChannelNPIV.

eCurrentlyassignedWWNsaredisplayedintheWWNAssignmentsbox.

fDooneof

thefollowing:

 ToleaveWWNsunchanged,selectLeaveunchanged.

 TohaveVirtualCenterortheESXServerhostgeneratenewWWNs,select

GenerateNewWWNs.

 ToremovethecurrentWWNassignments,selectRemoveWWN

assignment.

gClickOKtosaveyourchangesandclosethedialogbox.

ProvidetheWWNassignmentstoyourSANadministrator.Theadministrator

needsthoseassignmentstoconfigurevirtualmachineaccesstotheLUN.Formore

informationonhowtoconfigureanvirtual

machinetouseNPIV,seetheESX

Server3ConfigurationGuideorESXServer3iConfigurationGuide.

7 SelectAdvanced>VirtualizedMMUandspecifywhethertodisablethefeature,

alwaysusethefeaturewhereavailable,orhavethehostsystemdeterminewhether

thefeatureshouldbeused.

OTEAvirtualmachinewithWWNsthatarealreadyinuseonthestoragenetwork

ispreventedfrompoweringon.Tosolvethisissue,generatenewWWNsorremove

them.

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ESX QE450.2 Especificaciones Pagina 191