Server User Manual

Symptom
Action
backplanewithoutbowingorcausingmovementof
thebackplane.
6.Ensurethatthecableconnectioniscorrect.See
“Mini-SAStomini-SASsignalcableconnections”on
page38
.
7.Reconnectthebackplanepowercableandrepeat
step1throughstep4.
8.Reconnectthebackplanesignalcableandrepeat
step1throughstep4.
9.Ifyoususpectaproblemwiththebackplanesignal
cableorthebackplane:
a.Replacetheaffectedbackplanesignalcable.
b.Replacetheaffectedbackplane.
Multipleharddiskdrivesfail.
1.Ensurethatthecableconnectioniscorrect.See
“Mini-SAStomini-SASsignalcableconnections”on
page38.
2.Reconnectthepowercable(s).
3.Reconnectthesignalcable(s).
4.Replacetheaffectedsignalcable(s).
5.Ifyoususpectaproblemwiththebackplane,replace
theaffectedbackplane.
Memorymoduleproblems
Followthesuggestedactionsforthecorrespondingsymptomintheorderinwhichtheyarelisteduntilthe
problemissolved.Ifnoneoftheseactionssolvetheproblem,see“Troubleshootingprocedure”onpage157
forthesubsequentstepsyoushouldcheckafterusingtheinformationinthistopic.Iftheproblemstillcannot
besolved,seektechnicalassistance.SeeChapter8“Gettinginformation,help,andservice”onpage163.
Notes:
•Ifyouareinstructedtoremove,install,orreplaceanyCRUs,refertotherelatedprocedureinChapter6
“Installing,removing,orreplacinghardware”onpage69.
•Ifanactionstepisprecededby“(Trainedservicetechnicianonly),”thisactionstepisreservedforatrained
servicetechnicianandmustbeperformedonlybyatrainedservicetechnician.
Symptom
Action
Theamountofsystemmemorythatisdisplayedisless
thanthetotalcapacityoftheinstalledphysicalmemory
modulesandyoususpectamemorymoduleproblem.
1.Ensurethat:
•Allmemorymodulesarethecorrecttype
supportedbytheserver.See“Memorymodule
installationrules”onpage80.
•Youfollowedthememorymoduleinstallation
rules.See“Memorymoduleinstallationrules”on
page80
.
•Allmemorymodulesareseatedcorrectlyand
securely.
•Thesystemrmwareisup-to-date.
2.Reinstallthememorymodules.
3.Replacethesuspectmemorymodules.
Chapter7.Troubleshootinganddiagnostics161