22 Sun Fire V890 Server Owner’s Guide • September 2004
Front panel status LEDs are described in “About the Status and Control Panel” on
page 11. For details on the system internal LEDs, see Chapter 8.
Four Levels of Diagnostics
For enhanced serviceability and availability, the system provides four different levels
of diagnostic testing:
■ Power-on self-test (POST)
■ OpenBoot Diagnostics
■ Sun Validation Test Suite (SunVTS™)
■ Sun Management Center system monitoring and management software
POST and OpenBoot Diagnostics are firmware-resident diagnostics that can run
even if the server is unable to boot the operating system. POST diagnostics check the
functions of the core system hardware. OpenBoot Diagnostics focus on testing I/O
subsystems and plug-in cards.
Note – To enhance system restoration and server availability, Sun has recently
introduced a new standard (default) OpenBoot firmware configuration. These
changes, which affect the behavior of servers like the Sun Fire V890, are described in
OpenBoot PROM Enhancements for Diagnostic Operation. This document is included on
the Sun Fire V890 Documentation CD.
Application-level diagnostics, such as SunVTS and Sun Management Center
software, offer additional troubleshooting capabilities once the operating system is
running. SunVTS software provides a comprehensive test of the system, including its
external interfaces. SunVTS software also lets you run tests remotely over a network
connection or from an RSC console. Sun Management Center software provides a
variety of continuous system monitoring capabilities. It enables you to monitor
system hardware status and operating system performance of your server. For more
information about diagnostic tools, see Sun Fire V890 Diagnostics and Troubleshooting.
You can find this document at: http://www.sun.com/documentation.
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