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Chapter 12 Configuring Virtual Machines

3Fromthedrop‐downmenuintheResourceallocationpanel,choosearelative

metricforallocatingmemorytoallvirtualmachines.

SymbolicvaluesLow,Normal,High,andCustomarecomparedtothesumofall

sharesofallvirtualmachinesontheserverand,onanESXServer3

host,theservice

console.Shareallocationsymbolicvaluescanbeusedtoconfiguretheirconversion

intonumericvalues.

4IntheResourceallocationpanel,usetheslidertoselecttheamountofreserved

memoryandthememorylimit,orusetheupanddownarrowstoenterthe

numberofMBsallocated.

Formoreinformationonmemoryvalues,seethememmanpage.

5ClickOKtosaveyourchanges.

TheVirtualMachinePropertiesdialogboxcloses.

Advanced Memory Resources

TheAdvancedMemoryResourcespageletsyousetlow‐leveloptionsthatinvolve

distributionofvirtualmachinememorytoNUMAmemorynodes.

Thispageisdisplayedonlyif

thehostutilizestheNUMAmemoryarchitecture.

Becauseaffinitysettingsaremeaningfulonlywhenusedtotweaktheperformanceofa

specificsetofvirtualmachinesononehost,thispagealsoisnotdisplayedwhenthe

virtualmachineresidesonaDRScluster.Theoptionvaluesareclearedwhen

thevirtual

machineismovedtoanewhost.

NUMAmemorynodeaffinityenablesfine‐grainedcontroloverhowvirtualmachine

memoryisdistributedtohostphysicalmemory.Checkingalltheboxesisthesameas

applyingnoaffinity.

ConsulttheResourceManagementGuidefordetailsaboutNUMAandadvanced

memoryresources.

To associate memory allocations with a NUMA node

1 SelecttheResourcestab,andchooseMemory.

2IntheNUMAMemoryAffinitypanel,setmemoryaffinity.

OTESpecifynodestobeusedforfuturememoryallocationsonlyifyouhavealso

specifiedCPUaffinity.Ifyoumakemanualchangesonlytothememoryaffinity

settings,automaticNUMArebalancingdoesnotworkproperly.

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ESX QE450.2 Especificaciones Pagina 195