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1、BestPracticesforArchitectingStorageinVirtualizedEnvironmentsLeverageAdvancesinStorageTechnologytoAcceleratePerformance,SimplifyManagement,andSaveMoneyinYourVirtualServerEnvironmentOverviewVirtualizationenablesdramaticincreasesinutilizationandefficiency.However,withoutproperplanning,virtual
2、izationcanpresentmajorchallenges,whichincludegreatercomplexity,highermanagementcosts,andtime-consumingbackups.Onekeyconsiderationinlaunchingavirtualizationprojectischoosingthecorrectstorageplatform.Unfortunately,today’slegacystorageplatformsweredesignedbeforevirtualization,high-densitydisk
3、drives,andflashmemorywereintroduced.Understandingthelatestdevelopmentsinstoragetechnologyiscrucialwhenplanningavirtualserverstoragearchitecturetoreduceyourlong-termtotalcostofownership(TCO)forprimaryandbackupstorage,aswellasnetwork-relatedexpensesforbackupanddisasterrecovery.Choosingthewro
4、ngstoragearchitecturecandramaticallyimpairyourabilitytoprovideapplicationresourcesandrecoverability.Thisdocumentationwillhelpyouunderstandhowrecentstorageadvancementscanhelpyougainthemaximumbenefitsfromyourvirtualserverenvironment.VirtualStorageLayoutPlanningavirtualserverenvironmentshould
5、beginwiththeselectionofthestoragelayer,whichwoulddirectlyimpactthefunctionalityoftheentirevirtualinfrastructure.Severaloptionsareavailable,eachwithprosandcons,andthusthebestchoiceisnotalwaysclear.Thestorageplatformdecisionrequirescarefulconsideration,becausethesharednatureofthevirtualinfra
6、structurecanincreaseimplementationtimes.All-in-OneStorageLayoutManyvirtualserverstorageimplementationsbeginwiththetraditionalmethodofcreatingandthenformattingalargestoragevolumewithanativeVMFS/NTFSfilesystem,orusingtheNFSsharedstorageandplacingallvirtualdisksonthatvolume.Thisapproachelimin
7、atestheneedtore-configurethestorageinfrastructurewhenprovisioningnewvirtualservers,bysimplyinformingvirtualadministratorstostorenewVMsandtheirdatavirtualBESTPRACTICESGUIDE:ARCHITECTINGSTORAGEINVIRTUALIZEDENVIRONMENTS1disksonaparticulararray.However,thisapproac
