Lenovo ThinkServer TS460 - Raid for Your Server

•RAID60:acombinationofRAID0andRAID6
RAID60usesdistributedparity,withtwoindependentparityblocksperstripeineachRAIDset,anddisk
striping.ARAID60virtualdrivecansurvivethelossoftwodrivesineachoftheRAID6setswithout
losingdata.RAID60worksbestwithdatathatrequireshighreliability,highrequestrates,highdata
transfers,andmedium-to-largecapacity.
RAID60requiresaminimumnumberofsixHDDs.
FordetailedinformationaboutRAID,referto“IntroductiontoRAID”intheMegaRAIDSASSoftwareUser
Guide.ThisguideisavailableontheLenovoSupportWebsiteat:
http://www.lenovo.com/support
RAIDforyourserver
Note:BeforeconfiguringRAIDforyourserver,ensurethatyouuseHDDsthatareofthesametype(SATAor
SAS)andhavethesamecapacitywithinasingleRAIDarray.
YourserversupportsthefollowingtwotypesofRAIDconfigurations:
•OnboardSATAsoftwareRAIDconfiguration
TheonboardSATAsoftwareRAIDcontrollerisintegratedontheIntelC232chiponthesystemboard.
IfyourserverhasSATAHDDsthatareconnectedtothesystemboard,youcanusetheIntelRapid
StorageTechnologyenterpriseprogramtoconfigureRAID.Bydefault,yourserversupportsonboardSATA
softwareRAIDlevels0,1,5,and10.TheonboardRAIDisasoftwareRAIDinsteadofahardwareRAID.
Fordetailedinformation,see“ConfiguringonboardSATAsoftwareRAID”onpage50
.
•AdvancedSATA/SAShardwareRAIDconfiguration(requiresaRAIDcard)
SomeservermodelscomewitharequiredRAIDcardtoprovideadvancedSATA/SAShardwareRAID
functionstotheserver.YoualsocanpurchasetheRAIDcardfromLenovoandinstallitintoservermodels
thatsupporttheRAIDcardtogetadvancedSATA/SAShardwareRAIDfunctions.See“RAIDcard”on
page27
and“PCIecard”onpage62formoreinformation.
TheRAIDcardprovidestheWebBIOSConfigurationUtilityprogramtohelpyouconfigureRAID
independentlyoftheoperatingsystem.YoualsocaninstalltheMegaRAIDStorageManagerprogramand
theStorCLIConfigurationUtilityprogramtohelpyoumanagetheRAIDarrayandRAIDcontrollerinan
operatingsystemenvironment.ThesupportedRAIDlevelsareRAID0,1,and10forThinkServerRAID
520iPCIeAdapterbydefault.ToactivateRAID5level,installaRAID520iupgradekeyontheRAIDcard.
ThesupportedRAIDlevelsareRAID0,1,5,and10forThinkServerRAID720iPCIeAdapterbydefault.To
activateRAID6level,youneedtoinstallaThunderboltMemoryModuleontheRAIDcard.
Fordetailedinformation,see“ConfiguringadvancedSATAorSAShardwareRAID”onpage52
.
Notes:
•ForservermodelswithmorethanfourHDDsormodelsthatuseSASHDDs,aRAIDcardmustbeinstalled.
•WhentheCPUutilizationishigh,itisrecommendedthatyouinstallaRAIDcardinsteadofusingthe
integratedsoftwareRAIDcontrollerforRAID5configuration.
•TheThinkServerEasyStartupprogramsimplifiestheprocessofconfiguringsupportedRAIDandinstalling
supportedoperatingsystemsanddevicedrivers.
BeforeconfiguringRAIDforyourserver,observethefollowingprecautions:
1.UseHDDsthathavethesamecapacitywithinasingleRAIDarray.
2.UseHDDsthatareofthesametype(SATAorSAS)withinasingleRAIDarray.
3.Dependingontheoperatingsystem,theprimaryRAIDmightbelimitedto2TBtotaldrivecapacity.
Chapter4.Configuringtheserver49