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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.
FordetailedinformationaboutRAID,referto“IntroductiontoRAID”intheMegaRAIDSASSoftwareUser
GuideonthedocumentationDVDthatcomeswithyourserver.
ConguringRAIDusingtheThinkServerEasyStartupprogram
TheThinkServerEasyStartupprogramsimpliestheprocessofconguringsupportedRAIDandinstalling
supportedWindowsandLinuxoperatingsystemsanddevicedriversonyourserver.Theuserguideforthe
programcanbeaccesseddirectlyfromtheprograminterface.
TheThinkServerEasyStartupprogramhasthefollowingfeaturesforRAIDconguration:
ForusewithallsupportedRAIDcontrollers
AutomaticallydetectshardwareandlistsallsupportedRAIDcongurations
Conguresoneormorediskarrayspercontrollerdependingonthenumberofdrivesattachedtothe
controllerandtheRAIDlevelselected
Supportshot-sparedrives
CreatesaRAIDresponselethatcanbeusedtocongureRAIDcontrollersonsimilarlycongured
Lenovoservers
See“UsingtheThinkServerEasyStartupprogram”onpage55andviewtheuserguidefromthemain
interfaceoftheprogram.
SomeRAIDmanagementsoftwarealsoisprovidedontheThinkServerEasyStartupDVDtohelpyoumanage
RAIDarraysandRAIDcontrollersinanoperatingsystemenvironment.Afteryouentertheoperatingsystem,
inserttheThinkServerEasyStartupDVDintotheopticaldrive.Theinstallationpackagesfortheprograms
arelocatedintheUtilitiesandOthersfolderintherootdirectoryoftheDVD.TheThinkServerEasyStartup
DVDisdesignedfordifferenttypesofserversandtheUtilitiesandOthersfoldermightcontainadditional
installationpackagesthatarenotrequiredtobeinstalledonyourserver.
ConguringtheThinkServerRAID300
TheThinkServerRAID300(alsoknownasonboardSASsoftwareRAID)isintegratedinthePCHon
thesystemboard.Ifyouconnectthemini-SAStomini-SASsignalcablesfromthesystemboardtothe
backplane,youcancongureRAIDfortheharddiskdrivesusingtheLSISoftwareRAIDCongurationUtility
program,independentlyoftheoperatingsystem.TheThinkServerRAID300supportsRAIDlevels0,1,and
10bydefault.YoualsocanactivateRAID5byinstallingaThinkServerRAID300UpgradeKeyforAdvanced
RAID.See“InstallingorremovingtheThinkServerRAID300UpgradeKeyforAdvancedRAID”onpage98
.
YoucaninstallandusetheMegaRAIDStorageManagerprogramtomanagetheRAIDarrayandRAID
controllerinanoperatingsystemenvironment.
60ThinkServerRD330UserGuide
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