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Symptom
Action
backplanewithoutbowingorcausingmovementof
thebackplane.
6.Ensurethatthecableconnectioniscorrect.See
“Mini-SAStomini-SASsignalcableconnections”on
page39
.
7.Reconnectthebackplanepowercableandrepeat
step1throughstep4.
8.Reconnectthebackplanesignalcableandrepeat
step1throughstep4.
9.Ifyoususpectaproblemwiththebackplanesignal
cableorthebackplane:
a.Replacetheaffectedbackplanesignalcable.
b.Replacetheaffectedbackplane.
Multipleharddiskdrivesfail.
1.Ensurethatthecableconnectioniscorrect.See
“Mini-SAStomini-SASsignalcableconnections”on
page39.
2.Reconnectthepowercable(s).
3.Reconnectthesignalcable(s).
4.Replacetheaffectedsignalcable(s).
5.Ifyoususpectaproblemwiththebackplane,replace
theaffectedbackplane.
Memorymoduleproblems
Followthesuggestedactionsforthecorrespondingsymptomintheorderinwhichtheyarelisteduntilthe
problemissolved.Ifnoneoftheseactionssolvetheproblem,see“Troubleshootingprocedure”onpage159
forthesubsequentstepsyoushouldcheckafterusingtheinformationinthistopic.Iftheproblemstillcannot
besolved,seektechnicalassistance.SeeChapter8“Gettinginformation,help,andservice”onpage165.
Notes:
Ifyouareinstructedtoremove,install,orreplaceanyCRUs,refertotherelatedprocedureinChapter6
“Installing,removing,orreplacinghardware”onpage71.
Ifanactionstepisprecededby“(Trainedservicetechnicianonly),thisactionstepisreservedforatrained
servicetechnicianandmustbeperformedonlybyatrainedservicetechnician.
Symptom
Action
Theamountofsystemmemorythatisdisplayedisless
thanthetotalcapacityoftheinstalledphysicalmemory
modulesandyoususpectamemorymoduleproblem.
1.Ensurethat:
Allmemorymodulesarethecorrecttype
supportedbytheserver.See“Memorymodule
installationrules”onpage82.
Youfollowedthememorymoduleinstallation
rules.See“Memorymoduleinstallationrules”on
page82
.
Allmemorymodulesareseatedcorrectlyand
securely.
Thesystemrmwareisup-to-date.
2.Reinstallthememorymodules.
3.Replacethesuspectmemorymodules.
Chapter7.Troubleshootinganddiagnostics163
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