Post; Error Logs; Small Computer Systems Interface (Scsi) Messages - IBM 8686 - Eserver xSeries 360 Hardware Maintenance Manual

POST

When you turn on the server, it performs a series of tests to check the operation of
server components and some of the options that are installed in the server. This
series of tests is called the power-on self-test, or POST.
If POST finishes without detecting any problems, a single beep sounds, and the first
screen of the operating system or application program appears.
If POST detects a problem, more than one beep sounds, and an error message
appears on the screen. See "Beep symptoms" on page 115 and "POST error codes"
on page 134 for more information.
Notes:
1. If you have a power-on password or administrator password set, you must type
2. A single problem might cause several error messages. When this occurs, work

Error logs

The POST error log contains the three most recent error codes and messages that
the system generated during POST. The System Error log contains error messages
that were issued during POST and all system status messages from the Remote
Supervisor Adapter.
You can view the contents of the System Error log from either the
Configuration/Setup Utility program or from the diagnostic programs:
v Start the Configuration/Setup Utility program; then, select Error Logs from the
v Start the diagnostic programs; select Hardware Info from the top of the

Small computer systems interface (SCSI) messages

If you receive a SCSI error message while running the SCSISelect Utility program,
one or more of the following might be causing the problem:
v A failing SCSI device (adapter, drive, controller)
v An improper SCSI configuration
v Duplicate SCSI IDs in the same SCSI chain
v An improperly installed SCSI terminator
v A defective SCSI terminator
v An improperly installed cable
v A defective cable
14
Hardware Maintenance Manual: xSeries 360 Type 8686
the password and press Enter, when prompted, before POST will continue.
to correct the cause of the first error message. After you correct the cause of
the first error message, the other error messages usually will not occur the next
time you run the test.
main menu; then, select either Post Error Log or System Event/Error Log. See
"Starting the Configuration/Setup Utility" on page 28 for details.
diagnostic programs screen; select System Error Log from the list that appears;
then, follow the instructions on the screen. See "Starting the diagnostic
programs" on page 15 for details.