Lenovo System x3500 M4 - Page 159

•DSAPreboot
DSAPrebootrunsoutsideoftheoperatingsystem;youmustrestarttheservertorunit.Itisprovided
intheflashmemoryontheserver,oryoucancreateabootablemediasuchasaCD,DVD,ISO,USB,
orPXEusingtheLenovoToolsCenterBootableMediaCreator(BoMC).Formoredetails,seetheBoMC
UserGuideathttps://support.lenovo.com/us/en/documents/LNVO-BOMC.Inadditiontothecapabilities
oftheothereditionsofDSA,DSAPrebootincludesdiagnosticroutinesthatwouldbedisruptiveto
runwithintheoperating-systemenvironment(suchasresettingdevicesandcausinglossofnetwork
connectivity).Ithasagraphicaluserinterfacethatyoucanusetospecifywhichdiagnosticstorunandto
viewthediagnosticanddatacollectionresults.
DSAPrebootprovidesdiagnosticsforthefollowingsystemcomponents,iftheyareinstalled:
–Emulexnetworkadapter
–Opticaldevices(CDorDVD)
–Tapedrives(SCSI,SAS,orSATA)
–Memory
–Microprocessor
–Checkpointpanel
–I2Cbus
–SASandSATAdrives
Ifyouareabletorestarttheserverorifyouneedcomprehensivediagnostics,useDSAPreboot.
Formoreinformationandtodownloadtheutilities,gotohttps://support.lenovo.com/us/
en/documents/LNVO-DSA.
RunningDSAPrebootdiagnosticprograms
UsethisinformationtoruntheDSAPrebootdiagnosticprograms.
Note:TheDSAmemorytestmighttakeupto30minutestorun.Iftheproblemisnotamemoryproblem,
skipthememorytest.
ToruntheDSAPrebootdiagnosticprograms,completethefollowingsteps:
Step1.Iftheserverisrunning,turnofftheserverandallattacheddevices.
Step2.Turnonallattacheddevices;then,turnontheserver.
Step3.Whentheprompt<F2>Diagnosticsisdisplayed,pressF2.
Note:TheDSAPrebootdiagnosticprogrammightappeartobeunresponsiveforanunusual
lengthoftimewhenyoustarttheprogram.Thisisnormaloperationwhiletheprogramloads.The
loadingprocessmaytakeupto10minutes.
Step4.Optionally,selectQuittoDSAtoexitfromthestand-alonememorydiagnosticprogram.
Note:Afteryouexitfromthestand-alonememorydiagnosticenvironment,youmustrestartthe
servertoaccessthestand-alonememorydiagnosticenvironmentagain.
Step5.Typeguitodisplaythegraphicaluserinterface,ortypecmdtodisplaytheDSAinteractivemenu.
Step6.Followtheinstructionsonthescreentoselectthediagnostictesttorun.
Ifthediagnosticprogramsdonotdetectanyhardwareerrorsbuttheproblemremainsduringnormalserver
operation,asoftwareerrormightbethecause.Ifyoususpectasoftwareproblem,seetheinformation
thatcomeswithyoursoftware.
Chapter4.Troubleshooting145