Remote Troubleshooting Capabilities; System Console Logging - Sun Microsystems Sun Fire V440 Diagnostics And Troubleshooting Manual

Remote Troubleshooting Capabilities

You can use the Sun Advanced Lights Out Manager (ALOM) system controller to
troubleshoot and diagnose the system remotely. The ALOM system controller lets
you do the following:
Turn system power on and off
Control the Locator LED
Change OpenBoot configuration variables
View system environmental status information
View system event logs
In addition, you can use the ALOM system controller to access the system console,
provided it has not been redirected. System console access enables you to do the
following:
Run OpenBoot Diagnostics tests
View Solaris operating environment output
View POST output
Issue firmware commands at the ok prompt
View error events when the Solaris operating environment terminates abruptly
For more information about ALOM, see:
"Monitoring the System Using Sun Advanced Lights Out Manager" on page 35
"How to Monitor the System Using Sun Advanced Lights Out Manager" on
page 79
Sun Advanced Lights Out Manager (ALOM) Online Help
For more information about the system console, see Appendix A.

System Console Logging

Console logging is the ability to collect and log system console output. Console
logging captures console messages so that system failure data, like Fatal Reset error
details and POST output, can be recorded and analyzed.
Console logging is especially valuable when troubleshooting Fatal Reset errors and
RED State Exceptions. In these conditions, the Solaris operating environment
terminates abruptly, and although it sends messages to the system console, the
Chapter 6 Troubleshooting Options 111