Shutting Down Linux.........................................................................................................133
5 Troubleshooting......................................................................................135
Methodology.......................................................................................................................135
Troubleshooting Tools............................................................................................................142
LEDs ..............................................................................................................................142
Front Panel.................................................................................................................142
Diagnostics Panel LEDs.................................................................................................144
Diagnostics.....................................................................................................................145
General Diagnostic Tools..................................................................................................147
HP-UX Fault Management.................................................................................................148
Event Log Definitions........................................................................................................149
Using Event Logs..............................................................................................................149
iLO 2 MP Event Logs........................................................................................................149
Supported Configurations......................................................................................................151
System Block Diagram......................................................................................................152
CPU/Memory/SBA...............................................................................................................155
Troubleshooting the CPU...................................................................................................156
IPF Processor Load Order.............................................................................................156
Troubleshooting Memory...................................................................................................158
Memory DIMM Load Order..........................................................................................158
Troubleshooting SBA........................................................................................................160
Power Subsystem Behavior................................................................................................161
Power LED/Switch............................................................................................................161
Power Supply Power LED...................................................................................................162
Contents
7