Lenovo ThinkServer RD630 - Configuring RAID; About RAID

YoucandothefollowingwhenusingtheThinkServerEasyStartupprogramonaWindowsoperatingsystem.
Fordetailedinformation,refertothehelpsystem.
•ViewageneralintroductiontoyourThinkServerservermodelandthespecicserverconguration
information.
•ViewgeneralguidanceonhowtousetheThinkServerEasyStartupDVD.
•Downloadtherequireddevicedriverstoaremovablestoragedevicesothatyoucaneasilygetthe
driversforservercongurationwhenyouneedthem,especiallywhenyounishinstallinganoperating
systemwithoutusingtheThinkServerEasyStartupDVDandneedappropriatedevicedriverstocongure
yourserver.
•InstalltherequireddevicedriversdirectlyontheserveronwhichyouarerunningtheThinkServer
EasyStartupDVD.
•ViewinformationaboutallservermodelssupportedbytheThinkServerEasyStartupprogramand
informationaboutthedevicedriversforeachservermodel,includingthedriverversionsanddriver
locationsintherootdirectoryoftheThinkServerEasyStartupDVD.
Note:Themostup-to-datedevicedriversforvariousservermodelsarealwaysavailablefordownloadon
theLenovoSupportWebsiteat:
http://www.lenovo.com/drivers
ConguringRAID
ThistopicprovidesinformationaboutRAIDandtheutilityprogramsthatareavailableforyoutocongure
RAID.
Thistopiccontainsthefollowingitems:
•“AboutRAID”onpage66
•“ConguringRAIDusingtheThinkServerEasyStartupprogram”onpage68
•“ConguringtheadvancedSATAorSAShardwareRAID”onpage68
AboutRAID
RAID,anacronymforRedundantArrayofIndependentDisks,isatechnologythatprovidesincreased
storagefunctionsandreliabilitythroughredundancy.Thisisachievedbycombiningmultipleharddiskdrives
intoalogicalunit,wheredataisdistributedacrossthedrivesinoneofseveralwayscalledRAIDlevels.
WhenagroupofindependentphysicalharddiskdrivesaresetuptouseRAIDtechnology,theyareina
RAIDarray.Thisarraydistributesdataacrossmultipleharddiskdrives,butthearrayappearstothehost
serverasonesinglestorageunit.CreatingandusingRAIDarraysprovideshighperformance,suchasthe
expeditedI/Operformance,becauseseveraldrivescanbeaccessedsimultaneously.
RAIDdrivegroupsalsoimprovedatastoragereliabilityandfaulttolerancecomparedwithsingle-drive
storagesystems.Datalossresultingfromadrivefailurecanbepreventedbyreconstructingmissingdata
fromtheremainingdrives.
ThefollowinglistdescribessomeofthemostcommonlyusedRAIDlevels:
66ThinkServerHardwareMaintenanceManual