15
Detecting and Managing Faults
These topics explain how to use various diagnostic tools to monitor server status and
troubleshoot faults in the server.
“Diagnostic Tools Overview” on page 15
“Detecting Faults With ILOM” on page 22
“Detecting Faults With POST” on page 34
“Managing POST Operations” on page 35
“Managing Faults Using the PSH Feature” on page 43
“ViewingSolaris OS Messages” on page 48
“Managing Components WithAutomatic System Recovery Commands” on
page50
“Detecting Faults Using SunVTS Software” on page 53
Related Information
“Identifying FRUs in SPARCEnterprise T5120 Servers” on page 181
“Identifying FRUs in SPARCEnterprise T5220 Servers” on page 195

Diagnostic Tools Overview

The service processor provides a range of system management and diagnostic tools
that enable you to monitor server operations and troubleshoot server problems. The
following is a high-level summary of the various diagnostic tools that are available
on the server:
LEDs – Status indicators areprovided on the server ’s front and rear panels as well
as on some FRUs.
ILOM – The Integrated Lights Out Manager (ILOM) firmware runson the service
processor and is the central software resourcefor identifying and managing
problems in the server.