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Table Of Contents
VMware, Inc. 279
Chapter 12 Performance Tuning for VMware Server
Editing Virtual Processors
Youcanchangethenumberofvirtualprocessorsusedinavirtualmachine.
Configuringthevirtualmachinetohavetwoprocessorsissupportedonlyforhost
machineswithatleasttwologicalprocessors.
ForinformationaboutVMwareServersupportforvirtualSymmetricMultiprocessing
(VirtualSMP),see“UsingTwoWayVirtualSymmetric
Multiprocessing”onpage 278.
To change the number of processors in a virtual machine
1 SelectthevirtualmachinefromtheInventorypanel.
2Makesurethatthevirtualmachineispoweredoff.
3IntheHardwaresectionoftheSummarytab,clicktheProcessorsiconandselect
Edit.
4 SelectthenumberofprocessorsfromtheProcessorCountdropdownmenu.
5ClickOKtosaveyour
changes.
Configuring and Maintaining Guest Operating Systems
Thissectionincludesrecommendationsforguestoperatingsystemconfigurationand
maintenancetooptimizeVMwareServerperformance.
Installing Linux Guest Operating Systems in Text Mode
WhenyouareinstallingaLinuxguestoperatingsystem,usethetextmodeinstaller
insteadofthegraphicalinstallerifpossible.Thismakestheinstallationprocessfaster.
Selecting the Correct Guest Operating System
Makesurethatyouselectthecorrectguestoperatingsystemforeachofyourvirtual
machines.Forinformationabouthowtoverifyorchangetheguestoperatingsystem
type,see“ChangingVirtualMachineNameandGuestSystemSettings”onpage 124.
VMwareServeroptimizescertaininternalconfigurationsbasedonthissetting.These
optimizationscangreatlyaidtheoperatingsystemtheytarget,buttheycancause
significantperformancedegradationifthereisamismatchbetweenthesettingandthe
operatingsystemactuallyrunninginthevirtualmachine.(Althoughselectingthe
wrongguestoperatingsystemmightdegradethevirtualmachine’sperformance,itis
notlikely
tocauseavirtualmachinetorunincorrectly.)