Table17.Harddiskdrivesymptomsandactions(continued)
•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•Ifanactionstepisprecededby“(Trainedtechnicianonly)”,thatstepmustbeperformedonlybyatrained
technician.
•GototheIBMsupportwebsiteathttp://www.lenovo.com/supporttocheckfortechnicalinformation,hints,
tips,andnewdevicedriversortosubmitarequestforinformation.
SymptomAction
Anewlyinstalledharddisk
driveisnotrecognized.
1.ObservetheassociatedyellowharddiskdrivestatusLED.IftheLEDislit,it
indicatesadrivefault.
2.IftheLEDislit,removethedrivefromthebay,wait45seconds,andreinsert
thedrive,makingsurethatthedriveassemblyconnectstotheharddiskdrive
backplane.
3.ObservetheassociatedgreenharddiskdriveactivityLEDandtheyellow
statusLED:
•IfthegreenactivityLEDisflashingandtheyellowstatusLEDisnotlit,the
driveisrecognizedbythecontrollerandisworkingcorrectly.RuntheDSA
harddiskdrivetesttodeterminewhetherthedriveisdetected.
•IfthegreenactivityLEDisflashingandtheyellowstatusLEDisflashing
slowly,thedriveisrecognizedbythecontrollerandisrebuilding.
•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“IBM
DynamicSystemAnalysis”onpage98
).
•Iftheadapterpassesthetestbutthedrivesarenotrecognized,replacethe
backplanesignalcableandrunthetestsagain.
•Replacethebackplane.
•Iftheadapterfailsthetest,disconnectthebackplanesignalcablefromthe
adapterandrunthetestsagain.
•Iftheadapterfailsthetest,replacetheadapter.
10.See“Problemdeterminationtips”onpage116.
Multipleharddiskdrivesfail.
Makesurethattheharddiskdrive,SAS/SATARAIDadapter,andserverdevice
driversandfirmwareareatthelatestlevel.
Important:Someclustersolutionsrequirespecificcodelevelsorcoordinatedcode
updates.Ifthedeviceispartofaclustersolution,verifythatthelatestlevelofcode
issupportedfortheclustersolutionbeforeyouupdatethecode.
Chapter4.Troubleshooting103