Troubleshooting Memory Faults; Using Leds To Identify The State Of Devices; Figure 3-2 Leds On The Server Front Panel - Sun Microsystems Sun Fire T1000 Service Manual

Solaris Predictive Self-Healing (PSH) technology – A feature of the Solaris OS,
■
uses the fault manager daemon (fmd) to watch for various kinds of faults. When
a fault occurs, the fault is assigned a unique fault ID (UUID), and logged. PSH
reports the fault and provides a recommended proactive replacement for the
DIMMs associated with the fault.
3.1.1.3

Troubleshooting Memory Faults

If you suspect that the server has a memory problem, follow the flow chart (see
TABLE 3-1
command lists memory faults and lists the specific DIMMS that are associated with
the fault. Once you identify which DIMMs to replace, see
removal and replacement instructions. It is important that you perform the
instructions in that chapter to clear the faults and enable the replaced DIMMs.
3.2 Using LEDs to Identify the State of
Devices
The server provides the following groups of LEDs:
Front and rear panel LEDS (
■
Power supply LEDs (
■
These LEDs provide a quick visual check of the state of the system.
Locator LED/button
LEDs on the Server Front Panel
FIGURE 3-2
3-8 Sun Fire T1000 Server Service Manual • January 2007
). Run the ALOM CMT showfaults command. The showfaults
FIGURE 3-3
Service Required LED
Power OK LED and Power On/Off button
, , and
FIGURE 3-2 FIGURE 3-3
and )
TABLE 3-3
Chapter 5 for DIMM
)
TABLE 3-2