Lenovo System x3500 M5 Type 5464 - Light Path Diagnostics

richsetofdiagnostictestsofthemajorcomponentsoftheserver.DSAPrebootcollectsthefollowing
informationabouttheserver:
–Drivehealthinformation
–EventlogsforServeRAIDcontrollersandserviceprocessors
–IMM2.1configurationinformation
–IMM2.1environmentalinformation
–Installedhardware,includingPCIandUSBinformation
–Lightpathdiagnosticsstatus
–Microprocessor,input/outputhub,andUEFIerrorlogs
–Networkinterfacesandsettings
–Optioncarddriverandfirmwareinformation
–RAIDcontrollerconfiguration
–Serviceprocessor(IntegratedManagementModuleII(IMM2))statusandconfiguration
–Systemconfiguration
–Vitalproductdata,firmware,andUEFIconfiguration
DSAPrebootalsoprovidesdiagnosticsforthefollowingsystemcomponents(whentheyareinstalled):
1.Emulexnetworkadapter
2.IMM2.1I2Cbus
3.Lightpathdiagnosticspanel
4.Memorymodules
5.Microprocessors
6.Opticaldevices(CDorDVD)
7.SASorSATAdrives
8.LSIcontroller
9.Broadcomnetworkadapter
10.FusionIOstorage
11.IntelGPU
12.NvidiaGPU
See“RunningDSAPrebootdiagnosticprograms”onpage143formoreinformationonrunningthe
DSAPrebootprogramontheserver.
•Troubleshootingbysymptom
Thesetableslistproblemsymptomsandactionstocorrecttheproblems.See“Troubleshootingby
symptom”onpage145formoreinformation.
Lightpathdiagnostics
LightpathdiagnosticsisasystemofLEDsonvariousexternalandinternalcomponentsoftheserverthat
leadsyoutothefailedcomponent.Whenanerroroccurs,LEDsarelitalongthepathofthefrontpanel,the
lightpathdiagnosticspanel,thenonthefailedcomponent.ByviewingtheLEDsinaparticularorder,you
canoftenidentifythesourceoftheerror.
WhenLEDsarelittoindicateanerror,theyremainlitwhentheserveristurnedoff,providedthattheserveris
stillconnectedtopowerandthepowersupplyisoperatingcorrectly.
Chapter4.Troubleshooting131