Lenovo System x3550 M4 - Light Path Diagnostics

–EventlogsforServeRAIDcontrollersandserviceprocessors
–IMM2configurationinformation
–IMM2environmentalinformation
–Installedhardware,includingPCIandUSBinformation
–Lightpathdiagnosticsstatus
–Microprocessor,input/outputhub,andUEFIerrorlogs
–Networkinterfacesandsettings
–Optioncarddriverandfirmwareinformation
–RAIDcontrollerconfiguration
–Serviceprocessor(integratedmanagementmodule)statusandconfiguration
–Systemconfiguration
–Vitalproductdata,firmware,andUEFIconfiguration
DSAPrebootalsoprovidesdiagnosticsforthefollowingsystemcomponents(whentheyareinstalled):
1.Emulexnetworkadapter
2.IMMI2Cbus
3.Lightpathdiagnosticspanel
4.Memorymodules
5.Microprocessors
6.Opticaldevices(CDorDVD)
7.SASorSATAdrives
8.LSIcontroller
9.Broadcomnetworkadapter
10.FusionIOstorage
11.IntelGPU
12.NvidiaGPU
See“RunningtheDSAPrebootdiagnosticprograms”onpage137formoreinformationonrunningthe
DSAPrebootprogramontheserver.
•Troubleshootingbysymptom
Thesetableslistproblemsymptomsandactionstocorrecttheproblems.See“Troubleshootingby
symptom”onpage138
formoreinformation.
Lightpathdiagnostics
LightpathdiagnosticsisasystemofLEDsonvariousexternalandinternalcomponentsoftheserverthat
leadsyoutothefailedcomponent.Whenanerroroccurs,LEDsarelitalongthepathofthefrontpanel,the
lightpathdiagnosticspanel,thenonthefailedcomponent.ByviewingtheLEDsinaparticularorder,you
canoftenidentifythesourceoftheerror.
WhenLEDsarelittoindicateanerror,theyremainlitwhentheserveristurnedoff,providedthattheserveris
stillconnectedtopowerandthepowersupplyisoperatingcorrectly.
BeforeyouworkinsidetheservertoviewlightpathdiagnosticsLEDs,readthesafetyinformation“Safety”
onpagev
and“Handlingstatic-sensitivedevices”onpage33.
Ifanerroroccurs,viewthelightpathdiagnosticsLEDsinthefollowingorder:
1.Lookattheoperatorinformationpanelonthefrontoftheserver.
Chapter4.Troubleshooting121