Checkout Procedure; About The Checkout Procedure; Performing The Checkout Procedure - IBM BladeCenter JS21 Types 8844 Service Manual

Checkout procedure

The checkout procedure is the sequence of tasks that you should follow to
diagnose a problem in the blade server.

About the checkout procedure

Before performing the checkout procedure for diagnosing hardware problems,
review the following information:
v Read the safety information that begins on page vii.
v The firmware diagnostic program provides the primary methods of testing the
v A single problem might cause more than one error message. When this happens,
v If the blade server is halted and a POST checkpoint code is displayed, see
v For intermittent problems, check the management module event log and "POST
v If the blade server front panel shows no LEDs, verify the blade server status and
v If device errors occur, see "Troubleshooting tables" on page 113.

Performing the checkout procedure

To perform the checkout procedure, complete the following steps:
Step 001
Step 002
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BladeCenter JS21 Types 7988 and 8844: Problem Determination and Service Guide
major components of the blade server. If you are not sure whether a problem is
caused by the hardware or by the software, you can use the firmware diagnostic
program to confirm that the hardware is working correctly. The firmware
diagnostic program runs automatically when the blade server is turned on.
correct the cause of the first error message. The other error messages usually
will not occur the next time you run the diagnostic programs.
Exception: If there are multiple error codes or light path diagnostics LEDs that
indicate a microprocessor error, the error might be in a microprocessor or in a
microprocessor socket. See "Microprocessor problems" on page 118 for
information about diagnosing microprocessor problems.
"POST checkpoint codes" on page 9. If the blade server is halted and no error
message is displayed, see "Troubleshooting tables" on page 113 and "Solving
undetermined problems" on page 135.
checkpoint codes" on page 9.
errors in the BladeCenter Web interface; also see "Solving undetermined
problems" on page 135.
Perform the following steps:
1. If the blade server is running, turn off the blade server.
2. Turn on the blade server and establish an SOL session; then
continue to Step 002 . If the blade server does not start, see
"Troubleshooting tables" on page 113.
Check for the following information:
1. If the firmware hangs on an eight-digit progress code, see
"Progress codes" on page 10.
2. If the firmware displays an eight-digit error code, see "Attention
codes" on page 34 or "Error codes" on page 37.
3. If the firmware displays a service request number (SRN), see
"SRN tables" on page 67.