Lenovo ThinkServer RD550 - Configuring Raid; About Raid

3.CheckandconfiguretheBIOSsettingsforyourspecificneeds.See“UsingtheSetupUtility
program”onpage47
.
•UsingtheBIOSrecoveryjumper
1.Removeallexternalmediafromthedrivesandturnoffallattacheddevicesandtheserver.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedto
theserver.
2.Prepareyourserver.See“Removingorextendingtheserverfromtherackcabinet”onpage61.
3.Removetheservercover.See“Removingtheservercover”onpage61.
4.LocatetheBIOSrecoveryjumperonthesystemboard.See“Systemboardjumpers”onpage40.
Then,removeanypartsanddisconnectanycablesthatmightimpedeyouraccesstothejumper.
Note:Donotremovethememorymodulesormicroprocessors.
5.Removethejumpercapfromthejumpercapstorage.See“Systemboardjumpers”onpage40.
6.NotetheorientationofthejumpercapandtheninstallthejumpercapontheBIOSrecoveryjumper.
7.Connecttheservertoanacpowersource.Theserverturnsonandthenturnsoffautomatically.
8.Movethejumpercapbacktothejumpercapstorage.See“Systemboardjumpers”onpage40.
9.Waitforseveralminutes.WhentheBIOSrecoveryprocessiscompleted,theserverturnson
automatically.
10.EnsurethattheSetupUtilityprogramstartsnormally.See“StartingtheSetupUtilityprogram”on
page47.Then,disconnecttheserverfromtheacpowersource.
11.Reinstallanypartsandreconnectanycables.Then,reinstalltheservercover.See“Completing
thepartsreplacement”onpage152.
12.Connecttheservertoanacpowersourceandturnontheserver.CheckandconfiguretheBIOS
settingsforyourspecificneeds.See“UsingtheSetupUtilityprogram”onpage47
.
Note:IfyoucannotrecovertheBIOSafterusingtheinstructionsinthistopic,theBIOSread-onlymemory
(ROM)mightbedamaged.Youmustreplacethesystemboard.ContacttheLenovoCustomerSupport
Center.
ConfiguringRAID
ThistopicprovidesinformationaboutRAIDandtheutilityprogramsthatareavailableforyoutoconfigure
RAID.
Thistopiccontainsthefollowinginformation:
•“AboutRAID”onpage54
•“ConfiguringRAIDusingtheLenovoThinkServerDeploymentManagerprogram”onpage56
•“ConfiguringtheadvancedSATAorSAShardwareRAID”onpage56
AboutRAID
RAID,anacronymforRedundantArrayofIndependentDisks,isatechnologythatprovidesincreased
storagefunctionsandreliabilitythroughredundancy.Thisisachievedbycombiningmultipleharddiskdrives
intoalogicalunit,wheredataisdistributedacrossthedrivesinoneofseveralwayscalledRAIDlevels.
WhenagroupofindependentphysicalharddiskdrivesaresetuptouseRAIDtechnology,theyareina
RAIDarray.Thisarraydistributesdataacrossmultipleharddiskdrives,butthearrayappearstothehost
serverasonesinglestorageunit.CreatingandusingRAIDarraysprovideshighperformance,suchasthe
expeditedI/Operformance,becauseseveraldrivescanbeaccessedsimultaneously.
54ThinkServerRD550UserGuideandHardwareMaintenanceManual