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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
■ “Viewing Solaris OS Messages” on page 48
■ “Managing Components With Automatic System Recovery Commands” on
page 50
■ “Detecting Faults Using SunVTS Software” on page 53
Related Information
■ “Identifying FRUs in SPARC Enterprise T5120 Servers” on page 181
■ “Identifying FRUs in SPARC Enterprise 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 are provided on the server’s front and rear panels as well
as on some FRUs.
■ ILOM – The Integrated Lights Out Manager (ILOM) firmware runs on the service
processor and is the central software resource for identifying and managing
problems in the server.