IBM BladeCenter S, Problem Determination And Service Manual

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Service bulletins
IBM continually updates the support Web site with tips and techniques that you
can use to resolve any problems that you may be having with the BladeCenter S
system.
To find any service bulletins that are available for the BladeCenter S Types 7779
and 8886, go to the BladeCenter support search Web site at http://www.ibm.com/
systems/support/supportsite.wss/search?brandind=5000020. In the Search field,
enter the following terms: 8886 and retain.
Isolating component failures
There are times when the only way to isolate the cause of a problem is to start
removing components until the problem is resolved. Use this procedure to assist in
isolating the root cause of a problem.
Problem
You are having problems with the BladeCenter S system, but you are unable to
isolate the problem to a single component.
Note: Before you begin attempting to isolate problems to a specific component,
you should first view the advanced management module and attempt to resolve
any problems that are found.
To view the event log:
v
From the advanced management module Web interface, click Monitors > Event
log .
For more information about the advanced management module Web interface,
see the
Advanced management module User's Guide .
v
From the advanced management module command-line interface, enter the
displaylog command.
For more information about the advanced management module command-line
interface, see the
Advanced management module Command-Line Interface Reference
Guide .
Investigation
Perform these steps to isolate problems to a specific component:
1. Power down and disengage all blade servers from the BladeCenter S chassis
midplane. Open the release handles and the blade servers will slide out of the
bay approximately one inch.
2. Make sure there is a working power supply in power module bay 1 and
disengage power supplies 2, 3, and 4 (pull them out approximately one inch.
3. Disengage the following components from the midplane:
a. Open the release handles on all I/O modules.
Important: Disengaging an I/O module will disrupt communications with
any external devices that are attached to that I/O module. Make sure that
all external devices are powered down before disengaging an I/O module.
b.
Open the release handles on the storage modules.
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BladeCenter S Type 7779/8886: Problem Determination and Service Guide