User's Manual

beconguredbetween0percentand100percent.At0percent,therebuildisdoneonlyifthesystemisnot
doinganythingelse.At100percent,therebuildhasahigherprioritythananyothersystemactivity.
ToconguretherebuildrateusingtheLSISoftwareRAIDCongurationUtilityprogram,dothefollowing:
Note:Usingarebuildrateof0or100percentisnotrecommended.Thedefaultvalueis30percent.
1.StarttheLSISoftwareRAIDCongurationUtilityprogram.See“StartingtheLSISoftwareRAID
CongurationUtilityprogram”onpage75
.
2.Onthemaininterfaceoftheprogram,selectObjects➙Adapter➙RebuildRate.
Note:UseupanddownarrowkeystonavigatebetweenitemsandpressEntertoselectanoption.
3.Settherebuildratebytypingadesiredvaluefromthekeyboarddirectly.
Runningaconsistencycheck
ThistopicprovidesinstructionsonhowtorunaconsistencycheckforvirtualdrivesusingtheLSISoftware
RAIDCongurationUtilityprogram.
AconsistencycheckisanoperationthatveriesthatallstripesonavirtualdrivewitharedundantRAID
levelareconsistent.Theconsistencycheckoperationveriescorrectnessofthedataonvirtualdrivesthat
useRAID1,5,and10(RAID0doesnotprovidedataredundancy).Forexample,inasystemwithparity,
checkingconsistencymeanscomputingthedataononedriveandcomparingtheresultstothecontentsof
theparitydrive.
Youshouldrunaconsistencycheckonfault-tolerantvirtualdrivesperiodically.Itisrecommendedthatyou
runaconsistencycheckatleastonceamonth.Youmustrunaconsistencycheckifyoususpectthatthe
virtualdrivedatamightbecorrupted.Besuretobackupthedatabeforerunningaconsistencycheckifyou
suspectthedatamightbecorrupted.
TorunaconsistencycheckusingtheLSISoftwareRAIDCongurationUtilityprogram,dothefollowing:
1.StarttheLSISoftwareRAIDCongurationUtilityprogram.See“StartingtheLSISoftwareRAID
CongurationUtilityprogram”onpage75
.
2.Onthemaininterfaceoftheprogram,selectCheckConsistencyandfollowtheinstructionsonthe
screen.
Theconsistencycheckrateistherateatwhichconsistencycheckoperationsarerunonasystem.The
consistencycheckratecanbeconguredbetween0percentand100percent.At0percent,theconsistency
checkisdoneonlyifthesystemisnotdoinganythingelse.At100percent,theconsistencycheckhasa
higherprioritythananyothersystemactivity.
ToconguretheconsistencycheckrateusingtheLSISoftwareRAIDCongurationUtilityprogram,do
thefollowing:
Note:Usingaconsistencycheckrateof0or100percentisnotrecommended.Thedefaultvalueis30
percent.
1.StarttheLSISoftwareRAIDCongurationUtilityprogram.See“StartingtheLSISoftwareRAID
CongurationUtilityprogram”onpage75.
2.Onthemaininterfaceoftheprogram,selectObjects➙Adapter➙ChkConstRate.
Note:UseupanddownarrowkeystonavigatebetweenitemsandpressEntertoselectanoption.
3.Settheconsistencycheckratebytypingadesiredvaluefromthekeyboarddirectly.
Chapter5.Conguringtheserver79