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DS300f G2 Series User Manual

213

physICal drIve probleMs

Physicaldrivesarethefoundationofdatastorage.AphysicaldriveproblemcanaffectyourentireRAIDsystem.

When a yellow ! icon or a red X iconappearsbesideaphysicaldrive,checkthedrive’soperationalstatus:

1. ClicktheDevicetab.

2. ClickthePhysicalDriveicon.

3. Clickthephysicaldriveyouwant,thenclicktheViewbutton.

LookunderOperationalStatusfortheconditionofthephysicaldrive.

• Ofine–Checkthedrivefor:

PFA Condition–Causedbyabadblockorsector.SeeNote1below.

Stale Condition–Causedbyobsoletearrayinformationonthephysicaldrive.SeeNote2below.

• Not Usable–Thisconditionoccurswhenyouhave:

TwocontrollersinyourRAIDsubsystemandaSATAdrivewithoutaSAS-to-SATAadapter.SeeNote3below.

AmissingordefectiveSAScablebetweentheRAIDsubsystemandaJBODexpansionunit.

• Drive Failed or Dead–Thephysicaldrivecannotberepaired.

Youmustreplacethefaileddrive.SeeNote4below.

Note1:Cleartheerrorcondition.Thenthephysicaldriveisavailable.See“ClearingaStaleoraPFACondition”

Note2:Identifythediskarraytowhichthephysicaldrivebelongs.Thendeletethediskarray.Ifthe error

conditionremainsonthephysicaldrive,cleartheerrorcondition.

Note3:ObtainSAS-to-SATAadaptersthoughASUSStorageTechnology,at

http://www.ASUSStorage.com.

Note4:YoucansetthenumberofbadblockstoleratedbeforethecontrollermarksaphysicaldriveasDead.

dIsk array and loGICal drIve probleMs

Disk array and logical drive problems include:

• "Disk Array Degraded / Logical Drive Critical" on page 213

• "DiskArrayOfine/LogicalDriveOfine"onpage214

• "RepairinganOfineDiskArrayorLogicalDrive"onpage214

• "Rebuilding a Disk Array" on page 215

• "Incomplete Array" on page 215

Diskarrayproblemstypicallyresultfromaphysicaldrivefailure.Themostcommonproblemisadegradeddisk

array.TheRAIDcontrollercanrebuildadegradeddiskarray.

DISk array DeGraDeD / loGIcal DrIve crItIcal

Diskarraysaremadeupofphysicaldrives.Logicaldrivesarecreatedonthediskarray.

When one of the physical drives in a disk array fails:

• The operational status of the disk arraybecomesCritical.

• The operational status of the logical drivesbecomesCriticalorDegraded.

• The operational status of the physical drive becomes Dead or Ofine.

ASUS Storage Management reports these conditions in the following places:

• Dashboard tab

A yellow ! iconbesidethediskarrays,logicaldrives,andphysicaldrivesunderSystemStatus.

MajoreventforthelogicaldriveunderEventInformation.

WarningeventforthephysicaldriveunderEventInformation.

• Device tab

Front View – Physical drives are shown Dead or Ofine and marked with a red X icon,orMissing.

Physical Drive View – Physical drives are shown Dead or Ofine and marked with a red X icon,or

Missing.

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