IBM 8649 Hardware Maintenance Manual - Page 30

Checkout, procedure, Diagnostic, tools, overview

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Checkout procedure Follow the steps in this procedure to identify system problems. 001 IS THE SERVER PART OF A CLUSTER? YES. Schedule maintenance for the system. Shut down all systems related to the cluster. Run the storage test. NO. Go to step 002 . 002 IF THE SERVER IS NOT PART OF A CLUSTER: 1. Turn off the server and all external devices. 2. Check all cables and power cords. 3. Set all display controls to the middle position. 4. Turn on all external devices. 5. Turn on the server. 6. Record any POST error messages that are displayed on the screen. If an error is displayed, look up the first error in the "POST error codes" on page 110. 7. Check the System Error log. If an error was recorded by the server, see Chapter 6, "Symptom-to-FRU index," on page 101. 8. Start the diagnostic programs. 9. Check for the following responses: v One beep. v Readable instructions or the main menu. 003 DID YOU RECEIVE BOTH OF THE CORRECT RESPONSES? NO. Find the failure symptom in Chapter 6, "Symptom-to-FRU index," on page 101. YES. Run the diagnostic programs. If necessary, see "Diagnostic programs, error codes, and messages" on page 22. If you receive an error, see Chapter 6, "Symptom-to-FRU index," on page 101. If the diagnostic programs were completed successfully and you still suspect a problem, see "Undetermined problems" on page 118. Diagnostic tools overview The following tools are available to help you identify and resolve hardware-related problems: v POST beep codes and error messages The power-on self-test (POST) generates beep codes and messages to indicate successful test completion or the detection of a problem. See "POST error codes and messages" on page 21 for more information. v Error logs The POST error log contains the three most recent error codes and messages that the server has generated during POST. The System Error Log contains all the error messages that were issued during POST. To view the contents of the error logs, start the Configuration/Setup Utility program; then, select Error Logs from the main menu. See "Viewing the System Error log" on page 25 for more information. 20 IBM xSeries 225 Types 8649: Hardware Maintenance Manual and Troubleshooting Guide

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Checkout
procedure
Follow
the
steps
in
this
procedure
to
identify
system
problems.
±001²
IS
THE
SERVER
PART
OF
A
CLUSTER?
YES.
Schedule
maintenance
for
the
system.
Shut
down
all
systems
related
to
the
cluster.
Run
the
storage
test.
NO.
Go
to
step
±002²
.
±002²
IF
THE
SERVER
IS
NOT
PART
OF
A
CLUSTER:
1.
Turn
off
the
server
and
all
external
devices.
2.
Check
all
cables
and
power
cords.
3.
Set
all
display
controls
to
the
middle
position.
4.
Turn
on
all
external
devices.
5.
Turn
on
the
server.
6.
Record
any
POST
error
messages
that
are
displayed
on
the
screen.
If
an
error
is
displayed,
look
up
the
first
error
in
the
“POST
error
codes”
on
page
110.
7.
Check
the
System
Error
log.
If
an
error
was
recorded
by
the
server,
see
Chapter
6,
“Symptom-to-FRU
index,”
on
page
101.
8.
Start
the
diagnostic
programs.
9.
Check
for
the
following
responses:
v
One
beep.
v
Readable
instructions
or
the
main
menu.
±003²
DID
YOU
RECEIVE
BOTH
OF
THE
CORRECT
RESPONSES?
NO.
Find
the
failure
symptom
in
Chapter
6,
“Symptom-to-FRU
index,”
on
page
101.
YES.
Run
the
diagnostic
programs.
If
necessary,
see
“Diagnostic
programs,
error
codes,
and
messages”
on
page
22.
If
you
receive
an
error,
see
Chapter
6,
“Symptom-to-FRU
index,”
on
page
101.
If
the
diagnostic
programs
were
completed
successfully
and
you
still
suspect
a
problem,
see
“Undetermined
problems”
on
page
118.
Diagnostic
tools
overview
The
following
tools
are
available
to
help
you
identify
and
resolve
hardware-related
problems:
v
POST
beep
codes
and
error
messages
The
power-on
self-test
(POST)
generates
beep
codes
and
messages
to
indicate
successful
test
completion
or
the
detection
of
a
problem.
See
“POST
error
codes
and
messages”
on
page
21
for
more
information.
v
Error
logs
The
POST
error
log
contains
the
three
most
recent
error
codes
and
messages
that
the
server
has
generated
during
POST.
The
System
Error
Log
contains
all
the
error
messages
that
were
issued
during
POST.
To
view
the
contents
of
the
error
logs,
start
the
Configuration/Setup
Utility
program;
then,
select
Error
Logs
from
the
main
menu.
See
“Viewing
the
System
Error
log”
on
page
25
for
more
information.
20
IBM
xSeries
225
Types
8649:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide