Basic Troubleshooting - Sun Microsystems Sun Fire V1280 Service Manual

1.2

Basic Troubleshooting

In a functioning Sun Fire V1280/Netra 1280 system without any known problems,
the system should not display any error conditions. For example:
System fault LED should not be lit.
I
Fault LEDs on all field-replaceable units (FRUs) should not be lit.
I
syslog file should not display error messages.
I
Administrative console should not display error messages.
I
If a problem or failure occurs, the system controller does the following:
Attempts to determine what hardware is faulty
I
Takes steps to prevent that hardware from being used until it has been replaced
I
Some of the specific actions the system controller takes include:
May cause the hardware to pause while software analyzes and records the event
I
error
Determines whether or not the error is recoverable and if the system needs to be
I
reset
When possible, causes the faulty FRU to provide an LED indication of a fault in
I
addition to populating the system console messages with further details
Determines if dynamic deconfiguration and reconfiguration is applicable
I
If the system cannot diagnose the problem, see the following sections for
troubleshooting information.
1-6 Sun Fire V1280/Netra 1280 Systems Service Manual • December 2003