Lenovo ThinkServer RD550 Manual de usuario Pagina 72

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RAID50:acombinationofRAID0andRAID5
RAID50usesdistributedparityanddiskstriping.ARAID50drivegroupisaspanneddrivegroupin
whichdataisstripedacrossmultipleRAID5drivegroups.RAID50worksbestwithdatathatrequires
highreliability,highrequestrates,highdatatransfers,andmedium-to-largecapacity.
Note:HavingvirtualdrivesofdifferentRAIDlevels,suchasRAID0andRAID5,inthesamedrivegroupis
notallowed.Forexample,ifanexistingRAID5virtualdriveiscreatedoutofpartialspaceinanarray,the
nextvirtualdriveinthearrayhastobeRAID5only.
RAID50requiresaminimumnumberofsixharddiskdrives.
RAID60:acombinationofRAID0andRAID6
RAID60usesdistributedparity,withtwoindependentparityblocksperstripeineachRAIDset,anddisk
striping.ARAID60virtualdrivecansurvivethelossoftwodrivesineachoftheRAID6setswithout
losingdata.RAID60worksbestwithdatathatrequireshighreliability,highrequestrates,highdata
transfers,andmedium-to-largecapacity.
RAID60requiresaminimumnumberofsixharddiskdrives.
FordetailedinformationaboutRAID,referto“IntroductiontoRAID”intheMegaRAIDSASSoftwareUser
GuideonthedocumentationDVDthatcomeswithyourserver.
ConfiguringRAIDusingtheLenovoThinkServerDeploymentManager
program
DeploymentManagersimplifiestheprocessofconfiguringsupportedRAID.Thehelpsystemfortheprogram
canbeaccesseddirectlyfromtheprograminterface.
DeploymentManagerhasthefollowingfeaturesforRAIDconfiguration:
ForusewithallsupportedRAIDcontrollers
AutomaticallydetectshardwareandlistsallsupportedRAIDconfigurations
Configuresoneormorediskarrayspercontrollerdependingonthenumberofdrivesattachedtothe
controllerandtheRAIDlevelselected
Supportshot-sparedrives
CreatesaRAIDresponsefilethatcanbeusedtoconfigureRAIDcontrollersonsimilarlyconfigured
Lenovoservers
See“LenovoThinkServerDeploymentManager”onpage14
andviewthehelpsystemfromthemain
interfaceoftheprogram.
ConfiguringtheadvancedSATAorSAShardwareRAID
YourservercomeswithanAnyRAIDadaptertoprovideadvancedSATAorSAShardwareRAIDfunctions.
Note:Dependingontheoperatingsystem,thetotaldrivecapacityoftheprimaryRAIDmightbelimitedto
2TB.
YoucanusethefollowingprogramsortoolstoconfiguretheadvancedSATAorSAShardwareRAID.
MegaRAIDHumanInterfaceInfrastructure(HII)configurationutility
ThisutilityenablesyoutoconfigureRAIDindependentlyoftheoperatingsystem.TodisplaytheHII
configurationutilityinterface,starttheserverandpresstheF1keyassoonasyouseethelogoscreento
entertheSetupUtilityprogram.Then,selectBootManagerAdaptersandUEFIDrivers.
MegaRAIDStorageManagerprogram
58ThinkServerRD550UserGuideandHardwareMaintenanceManual
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