Lenovo ThinkServer sd350 - Intermittent Problems

Table6.Harddiskdrivesymptomsandactions(continued)
SymptomAction
Multipleharddiskdrivesfail.
Makesurethattheharddiskdrive,SAS/SATARAIDadapter,andserverdevice
driversandfirmwareareatthelatestlevel.
Important:Someclustersolutionsrequirespecificcodelevelsorcoordinatedcode
updates.Ifthedeviceispartofaclustersolution,verifythatthelatestlevelofcode
issupportedfortheclustersolutionbeforeyouupdatethecode.
Multipleharddiskdrivesare
offline.
1.Reviewthestoragesubsystemlogsforindicationsofproblemswithinthe
storagesubsystem,suchasbackplaneorcableproblems.
2.See“Problemdeterminationtips”onpage61.
Areplacementharddiskdrive
doesnotrebuild.
1.Makesurethattheharddiskdriveisrecognizedbytheadapter(thegreenhard
diskdriveactivityLEDisflashing).
2.ReviewtheSAS/SATARAIDadapterdocumentationtodeterminethecorrect
configurationparametersandsettings.
Agreenharddiskdriveactivity
LEDdoesnotaccurately
representtheactualstate
oftheassociateddrive.
(Hot-swapharddiskdrives)
1.IfthegreenharddiskdriveactivityLEDdoesnotflashwhenthedriveisinuse,
runtheLenovoThinkServerDiagnosticsTooldiskdrivetest.
2.Useoneofthefollowingprocedures:
•Ifthedrivepassesthetest,replacethebackplane.
•Ifthedrivefailsthetest,replacethedrive.
Anyellowharddiskdrive
statusLEDdoesnotaccurately
representtheactualstateofthe
associateddrive.(Hot-swap
harddiskdrives)
1.IftheyellowharddiskdriveLEDandtheRAIDadaptersoftwaredonotindicate
thesamestatusforthedrive,completethefollowingsteps:
a.Turnofftheserver.
b.ReseattheSAS/SATAadapter.
c.Reseatthebackplaneconfigurationcable,signalcable,andbackplane
powercable.
d.Reseattheharddiskdrive.
e.TurnontheserverandobservetheactivityoftheharddiskdriveLEDs.
2.See“Problemdeterminationtips”onpage61.
Intermittentproblems
•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•Ifanactionstepisprecededby'(Trainedtechnicianonly)',thatstepmustbeperformedonlybyaTrained
technician.
•GototheLenovosupportwebsiteathttp://www.lenovo.com/supporttocheckfortechnicalinformation,
hints,tips,andnewdevicedriversortosubmitarequestforinformation.
Table7.Intermittentproblemsandactions
SymptomAction
Aproblemoccursonly
occasionallyandisdifficultto
diagnose.
1.Makesurethat:
•Allcablesandcordsareconnectedsecurelytotherearoftheserverand
attacheddevices.
•Whentheserveristurnedon,airisflowingfromthefangrille.Ifthereis
noairflow,thefanisnotworking.Thiscancausetheservertooverheat
andshutdown.
2.Checkthesystem-errorlogorTMMeventlog(see“Systemeventlogs”on
page47).
52LenovoThinkServersd350ServerType5493,LenovoThinkServern400EnclosureType5495InstallationandServiceGuide