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2-2 Sun Blade T6320 Server Module Service Manual • June 2009
2.1 Sun Blade T6320 Server Module
Diagnostics Overview
There are a variety of diagnostic tools, commands, and indicators you can use to
monitor and troubleshoot a Sun Blade T6320 server module.
■ LEDs – Provide a quick visual notification of the status of the server module and
some of the FRUs.
■ ILOM firmware –This system firmware runs on the service processor. In addition
to providing the interface between the hardware and the Solaris OS, ILOM tracks
and reports the health of key server module components. ILOM works closely
with POST and Solaris Predictive Self-Healing technology to keep the system up
and running even when there is a faulty component. For more information about
ILOM, see these documents:
■ Sun Integrated Lights out Manager 2.0 User’s Guide, 820-1188
■ Sun Integrated Lights Out Manager 2.0 Supplement for Sun Blade T6320 Server
Modules, 820-2546. This document describes ILOM information specific to the
UltraSPARC and the Sun Blade T6320 server module. It also provides
command comparisons of the ALOM CMT and ILOM CLI command sets.
■ Appendix D of this service manual provides some information about using the
ALOM CMT CLI.
■ Power-on self-test (POST) – POST performs diagnostics on system components
upon system reset to ensure the integrity of those components. POST is
configurable and works with ILOM to take faulty components offline if needed.
■ Solaris OS Predictive Self-Healing (PSH) – This technology continuously
monitors the health of the CPU and memory, and other components. PSH works
with ILOM to take a faulty component offline if needed. The Predictive Self-
Healing technology enables Sun systems to accurately predict component failures
and mitigate many serious problems before they occur.
■ Log files and console messages – Provide the standard Solaris OS log files and
investigative commands that can be accessed and displayed on the device of your
choice.
■ SunVTS™ – An application that exercises the system, provides hardware
validation, identifies possible faulty components, and provides recommendations
for repair.
The LEDs, ILOM, Solaris OS PSH, and many of the log files and console messages
are integrated. For example, when the Solaris software detects a fault, it will display
the fault, log it, pass information to ILOM where the fault is logged, and depending
on the fault, one or more LEDs may be illuminated.