Troubleshooting tools..............................................................................................................64
LEDs ................................................................................................................................65
Front panel LEDs...........................................................................................................65
System health LED.....................................................................................................66
Locator Switch/LED (UID)...........................................................................................66
SID LEDs.................................................................................................................66
FRU and CRU health LEDs.........................................................................................68
System Event Log LED................................................................................................68
Hard drive LEDs.......................................................................................................68
Optical drive...........................................................................................................70
Rear panel LEDs............................................................................................................70
Power supply...........................................................................................................71
Diagnostics.......................................................................................................................71
Online diagnostics and exercisers........................................................................................71
Online support tool availability.......................................................................................72
Online support tools list.................................................................................................72
Offline support tools list......................................................................................................73
Fault management overview................................................................................................73
HP-UX fault management.....................................................................................................73
WBEM indication providers............................................................................................73
Errors and reading error logs...................................................................................................73
Event log definitions...........................................................................................................73
Using event logs................................................................................................................74
iLO 3 MP event logs...........................................................................................................74
System event log review......................................................................................................75
Supported configurations.........................................................................................................75
System build-up troubleshooting procedure............................................................................75
Installation troubleshooting.......................................................................................................77
Installation troubleshooting methodology...............................................................................77
Installation troubleshooting using the server power button........................................................77
Server does not power on...................................................................................................77
UEFI menu is not available..................................................................................................78
Operating system does not boot..........................................................................................78
Operating system boots with issues......................................................................................78
Intermittent server issues......................................................................................................78
SATA DVD+RW drive issues................................................................................................78
SAS disk drive issues..........................................................................................................79
Console issues...................................................................................................................79
Troubleshooting the processor and memory................................................................................79
Troubleshooting the server processor....................................................................................79
Processor load order......................................................................................................79
Processor module behaviors............................................................................................79
Customer messaging policy............................................................................................80
Troubleshooting the server memory.......................................................................................82
Memory DIMM load order.............................................................................................82
Memory subsystem behaviors..........................................................................................82
Customer messaging policy............................................................................................82
Troubleshooting the power subsystem .......................................................................................83
Power subsystem behavior...................................................................................................83
Power LED button...............................................................................................................83
Troubleshooting the cooling subsystem.......................................................................................84
Cooling subsystem behavior................................................................................................84
Troubleshooting the iLO 3 MP subsystem....................................................................................85
iLO 3 MP LAN LED on the rear panel...................................................................................85
Troubleshooting the I/O subsystem ...........................................................................................85
HP Confidential Contents 5
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