Table18.Harddiskdrivesymptomsandactions(continued)
SymptomAction
•IfneitherLEDislitorflashing,checktheharddiskdrivebackplane(goto
step4).
•IfthegreenactivityLEDisflashingandtheyellowstatusLEDislit,replace
thedrive.IftheactivityoftheLEDsremainsthesame,gotostep4.Ifthe
activityoftheLEDschanges,returntostep1.
4.Makesurethattheharddiskdrivebackplaneiscorrectlyseated.Whenitis
correctlyseated,thedriveassembliescorrectlyconnecttothebackplane
withoutbowingorcausingmovementofthebackplane.
5.Reseatthebackplanepowercableandrepeatsteps1through3.
6.Reseatthebackplanesignalcableandrepeatsteps1through3.
7.Reseatthebackplaneconfigurationcableandrepeatsteps1through3.
8.Suspectthebackplanesignalcableorthebackplane:
•Replacetheaffectedbackplanesignalcable.
•Replacetheaffectedbackplane.
9.RuntheDSAtestsfortheSAS/SATAadapterandharddiskdrives(see
“DynamicSystemAnalysis”onpage124).
•Iftheadapterpassesthetestbutthedrivesarenotrecognized,replacethe
backplanesignalcableandrunthetestsagain.
•Replacethebackplane.
•Iftheadapterfailsthetest,disconnectthebackplanesignalcablefromthe
adapterandrunthetestsagain.
•Iftheadapterfailsthetest,replacetheadapter.
10.See“Problemdeterminationtips”onpage142.
Multipleharddiskdrivesfail.
Makesurethattheharddiskdrive,SAS/SATARAIDadapter,andserverdevice
driversandfirmwareareatthelatestlevel.
Important:Someclustersolutionsrequirespecificcodelevelsorcoordinatedcode
updates.Ifthedeviceispartofaclustersolution,verifythatthelatestlevelofcode
issupportedfortheclustersolutionbeforeyouupdatethecode.
Multipleharddiskdrivesare
offline.
1.Reviewthestoragesubsystemlogsforindicationsofproblemswithinthe
storagesubsystem,suchasbackplaneorcableproblems.
2.See“Problemdeterminationtips”onpage142.
Areplacementharddiskdrive
doesnotrebuild.
1.Makesurethattheharddiskdriveisrecognizedbytheadapter(thegreenhard
diskdriveactivityLEDisflashing).
2.ReviewtheSAS/SATARAIDadapterdocumentationtodeterminethecorrect
configurationparametersandsettings.
Agreenharddiskdriveactivity
LEDdoesnotaccurately
representtheactualstate
oftheassociateddrive.
(Hot-swapharddiskdrives)
1.IfthegreenharddiskdriveactivityLEDdoesnotflashwhenthedriveisinuse,
runtheDSAdiskdrivetest(see“DynamicSystemAnalysis”onpage124
).
2.Useoneofthefollowingprocedures:
•Ifthedrivepassesthetest,replacethebackplane.
•Ifthedrivefailsthetest,replacethedrive.
Anyellowharddiskdrive
statusLEDdoesnotaccurately
representtheactualstateofthe
1.IftheyellowharddiskdriveLEDandtheRAIDadaptersoftwaredonotindicate
thesamestatusforthedrive,completethefollowingsteps:
a.Turnofftheserver.
130LenovoSystemx3250M5InstallationandServiceGuide