Lenovo System x3250 M5 - Light Path Diagnostics

Foradditionalinformation,see“DynamicSystemAnalysis”onpage124andAppendixC“DSA
diagnostictestresults”onpage549
.
–DSAPreboot
DSAPrebootdiagnosticprogramisstoredintheintegratedUSBmemoryontheserver.DSAPreboot
collectsandanalyzessysteminformationtoaidindiagnosingserverproblems,aswellasofferinga
richsetofdiagnostictestsofthemajorcomponentsoftheserver.DSAPrebootcollectsthefollowing
informationabouttheserver:
–Drivehealthinformation
–IMM2configurationinformation
–IMM2environmentalinformation
–Installedhardware,includingPCIandUSBinformation
–Lightpathdiagnosticsstatus
–Microprocessor,input/outputhub,andUEFIerrorlogs
–Networkinterfacesandsettings
–Optioncarddriverandfirmwareinformation
–RAIDcontrollerconfiguration
–Serviceprocessor(IntegratedManagementModuleII(IMM2))statusandconfiguration
–Systemconfiguration
–Vitalproductdata,firmware,andUEFIconfiguration
DSAPrebootalsoprovidesdiagnosticsforthefollowingsystemcomponents(whentheyareinstalled):
1.Emulexnetworkadapter
2.IMM2I2Cbus
3.Lightpathdiagnosticspanel
4.Memorymodules
5.Microprocessors
6.Opticaldevices(CDorDVD)
7.SASorSATAdrives
8.LSIcontroller
9.Broadcomnetworkadapter
10.FusionIOstorage
11.IntelGPU
12.NvidiaGPU
See“RunningDSAPrebootdiagnosticprograms”onpage126formoreinformationonrunningthe
DSAPrebootprogramontheserver.
•Troubleshootingbysymptom
Thesetableslistproblemsymptomsandactionstocorrecttheproblems.See“Troubleshootingby
symptom”onpage127
formoreinformation.
Lightpathdiagnostics
LightpathdiagnosticsisasystemofLEDsonvariousexternalandinternalcomponentsoftheserverthat
leadsyoutothefailedcomponent.Whenanerroroccurs,LEDsarelitalongthepathofthefrontpanel,the
operatorinformationpanel,thenonthefailedcomponent.ByviewingtheLEDsinaparticularorder,you
canoftenidentifythesourceoftheerror.
Chapter4.Troubleshooting115