Predictive Self-Healing; Core Dump Process - Sun Microsystems Sun Fire V445 Server Administration Manual

You can direct where system log messages are stored or have them sent to a remote
system by setting up system message logging. For more information, see "How to
Customize System Message Logging" in the System Administration Guide: Advanced
Administration, which is part of the Solaris System Administrator Collection.
In some failure situations, a large stream of data is sent to the system console.
Because ALOM system controller log messages are written into a circular buffer that
holds 64 Kbytes of data, it is possible that the output identifying the original failing
component can be overwritten. Therefore, you may want to explore further system
console logging options, such as SRS Net Connect or third-party vendor solutions.
For more information about SRS Net Connect, see "About Sun Remote Services Net
Connect" on page 227.
More information about SRS Net Connect is available at:
http://www.sun.com/service/support/
Certain third-party vendors offer data logging terminal servers and centralized
system console management solutions that monitor and log output from many
systems. Depending on the number of systems you are administering, these might
offer solutions for logging system console information.
For more information about the system console, see Chapter 2.

Predictive Self-Healing

The Solaris Fault Manager daemon, fmd(1M), runs in the background on every
Solaris 10 or later system and receives telemetry information about problems
detected by the system software. The fault manager then uses this information to
diagnose detected problems and initiate proactive self-healing activities such as
disabling faulty components.
fmdump(1M), fmadm(1M), and fmstat(1M) are the three core commands that
administer the system generated messages produced by the Solaris Fault Manager.
See "About Predictive Self-Healing" on page 186 for details. Also refer to the man
pages for these commands.

Core Dump Process

In some failure situations, a Sun engineer might need to analyze a system core dump
file to determine the root cause of a system failure. Although the core dump process
is enabled by default, you should configure your system so that the core dump file is
saved in a location with adequate space. You might also want to change the default
230 Sun Fire V445 Server Administration Guide • September 2007