Table28.ItemsintheAdapterPropertieswindowforSAS1068E(continued)
ItemDescription
BootSupportDeningthesoftwarecontrolmodeoftheadapt er.
EnabledBIOS&OS:Whenthisoptionisenabled,it
meansthattheadapteriscontrolledbyboththeBIOS
andthedriverontheoperatingsystem.
EnabledBIOSOnly:Whenthisoptionisenabled,it
meansthattheadapteriscontrolledbyonlytheBIOS,
insteadofthedriverontheoper atingsystem.This
optionmightnotbesupportedbyalltheoperating
systems,suchasWindowsoperatingsystems.
EnabledOSOnly:Whenthisoptionisenabled,it
meansthattheadapteriscontrolledbyonlythe
operatingsystem.
Disabled:Whenthisoptionisenabled,theadapter
isdisabled.
RAIDPropertiesSettheHostRAID.See“SASRAIDsettings”onpage90.
SASTopologySettheSASharddiskdrives.See“AccessingtheSAS
Topologywindow”onpage91.
AdvancedAdapterPropertiesSettheadvancedpropertiesoftheadapter
Note:T omakeanyofthesettingstakeeffect,youneedtorestarttheserver.
SASRAIDsettings
IntheAdapterPropertieswindow,selectRAIDPropertiesandpressEnter.ThemainwindowforSAS
RAIDsetupisdisplayed.
ThefollowinglistdescribestheitemsinthemainwindowforSASRAIDsetup:
•CreateIMVolume:CreatingRAID1oftwoharddiskdrives.
RAID1usesmirroringsothatdatawritt entoonedriveissimultaneouslywrittentoanotherdrive.Thisis
goodforsmalldatabasesorotherapplicationsthatr equiresmallcapacitybutcompletedataredundancy
ifonedrivefails.Thedatacanbereadfromthetwoharddiskdrivesatthesametimetoimprovethe
speedofreadingtheharddiskdrives.RAID1onlysupportsevennumbersofharddiskdrives.
•CreateIMEVolume:CreatingRAID1Eofatleastthr eeharddiskdrives.
RAID1Estoresdataonallhar ddiskdrivesthroughstripedmirr oring.RAID1Esupportsoddnumbersof
harddiskdrivestoformanarr ay,whileatleastthreeharddiskdrivesarer equired.
•CreateISVolume:CreatingRAID0oftwotoeighthar ddiskdrives.
RAID0usesstripingtoprovidehighdatathroughput,especiallyforlargelesinanenvironmentthatdoes
notrequirefaulttolerance.RAID0breaksupdataintosmallersegments.Itcanimprovereadandwrite
speed.However,sincethereisnodataredundancyfeature,alldatawillbelostifanydrivefails.
CreatingordeletingtheRAID1array
ThissectionusesRAID1asanexampletoguideyoutocreateordeleteSASRAIDusingtheLSI
CongurationUtilityprogr am.

CreatingtheRAID1array

Thissectionprovidesinstructionsonhowt ocreateRAID1usingtheLSICongurationUtilityprogram.
TocreateRAID1,dothefollowing:
90ThinkServerUserGuide