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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

Lenovo ThinkServer User Manual

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