Using The Solaris Predictive Self-Healing Feature - Fujitsu SPARC Enterprise T1000 Service Manual

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2. Use the enablecomponent command to clear the fault and remove the component
from the ASR blacklist.
Use the FRU name that was reported in the fault in the previous step.
Example:
sc> enablecomponent MB/CMP0/CH0/R1/D0
The fault is cleared and should not appear when you run the showfaults
command. Additionally, if there are no other faults remaining, the Service Required
LED should be extinguished.
3. Power cycle the server.
You must reboot the server for the enablecomponent command to take effect.
4. At the ALOM CMT prompt, use the showfaults command to verify that no
faults are reported.
sc> showfaults
Last POST run: THU MAR 09 16:52:44 2006
POST status: Passed all devices
No failures found in System
3.5
Using the Solaris Predictive Self-Healing
Feature
The Solaris Predictive Self-Healing (PSH) technology enables the server to diagnose
problems while the Solaris OS is running, and mitigate many problems before they
negatively affect operations.
The Solaris OS uses the fault manager daemon, fmd(1M), which starts at boot time
and runs in the background to monitor the system. If a component generates an
error, the daemon handles the error by correlating the error with data from previous
errors and other related information to diagnose the problem. Once diagnosed, the
fault manager daemon assigns the problem a Universal Unique Identifier (UUID)
that distinguishes the problem across any set of systems. When possible, the fault
manager daemon initiates steps to self-heal the failed component and take the
component offline. The daemon also logs the fault to the syslogd daemon and
Chapter 3 Server Diagnostics
3-39

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