Lenovo ThinkServer TS430 Manuel d'utilisateur Page 92

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beconfiguredbetween0percentand100percent.At0percent,therebuildisdoneonlyifthesystemisnot
doinganythingelse.At100percent,therebuildhasahigherprioritythananyothersystemactivity.
ToconfiguretherebuildrateusingtheLSISoftwareRAIDConfigurationUtilityprogram,dothefollowing:
Note:Usingarebuildrateof0or100percentisnotrecommended.Thedefaultvalueis30percent.
1.StarttheLSISoftwareRAIDConfigurationUtilityprogram.See“StartingtheLSISoftwareRAID
ConfigurationUtilityprogram”onpage76.
2.Onthemaininterfaceoftheprogram,selectObjectsAdapterRebuildRate.
Note:UseupanddownarrowkeystonavigatebetweenitemsandpressEntertoselectanoption.
3.Settherebuildratebytypingadesiredvaluefromthekeyboarddirectly.
Runningaconsistencycheck
ThistopicprovidesinstructionsonhowtorunaconsistencycheckforvirtualdrivesusingtheLSISoftware
RAIDConfigurationUtilityprogram.
AconsistencycheckisanoperationthatverifiesthatallstripesonavirtualdrivewitharedundantRAID
levelareconsistent.Theconsistencycheckoperationverifiescorrectnessofthedataonvirtualdrivesthat
useRAID1,5,and10(RAID0doesnotprovidedataredundancy).Forexample,inasystemwithparity,
checkingconsistencymeanscomputingthedataononedriveandcomparingtheresultstothecontentsof
theparitydrive.
Youshouldrunaconsistencycheckonfault-tolerantvirtualdrivesperiodically.Itisrecommendedthatyou
runaconsistencycheckatleastonceamonth.Youmustrunaconsistencycheckifyoususpectthatthe
virtualdrivedatamightbecorrupted.Besuretobackupthedatabeforerunningaconsistencycheckifyou
suspectthedatamightbecorrupted.
TorunaconsistencycheckusingtheLSISoftwareRAIDConfigurationUtilityprogram,dothefollowing:
1.StarttheLSISoftwareRAIDConfigurationUtilityprogram.See“StartingtheLSISoftwareRAID
ConfigurationUtilityprogram”onpage76
.
2.Onthemaininterfaceoftheprogram,selectCheckConsistencyandfollowtheinstructionsonthe
screen.
Theconsistencycheckrateistherateatwhichconsistencycheckoperationsarerunonasystem.The
consistencycheckratecanbeconfiguredbetween0percentand100percent.At0percent,theconsistency
checkisdoneonlyifthesystemisnotdoinganythingelse.At100percent,theconsistencycheckhasa
higherprioritythananyothersystemactivity.
ToconfiguretheconsistencycheckrateusingtheLSISoftwareRAIDConfigurationUtilityprogram,do
thefollowing:
Note:Usingaconsistencycheckrateof0or100percentisnotrecommended.Thedefaultvalueis30
percent.
1.StarttheLSISoftwareRAIDConfigurationUtilityprogram.See“StartingtheLSISoftwareRAID
ConfigurationUtilityprogram”onpage76
.
2.Onthemaininterfaceoftheprogram,selectObjectsAdapterChkConstRate.
Note:UseupanddownarrowkeystonavigatebetweenitemsandpressEntertoselectanoption.
3.Settheconsistencycheckratebytypingadesiredvaluefromthekeyboarddirectly.
80ThinkServerTS430UserGuide
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