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.