2.
Search the IBM support page to find firmware updates for the advanced
management module. Look in the firmware change history for information
related to watchdog timeout errors and update the firmware if necessary.
3.
Verify that the service processor (Integrated Systems Management Processor
and Baseboard Management Controller) code levels are up to date or are at
least not missing a critical fix.
4.
Verify the operation of the blade servers. If they are responsive, the problem
may be a false error condition.
a.
Verify that the IBM Automatic Server Restart (ASR) driver is installed on
the blade server.
b.
Update the firmware for the service processor on the blade server.
c.
Update the firmware for the advanced management module.
d.
Replace the advanced management module.
5.
If all the blade servers are nonresponsive and are running the same level of
operating system as well as similar applications, start several of the blades
again and access the operating system logs for each blade server.
v
Determine if the blades are nonresponsive because of a common software
driver or module problem.
v
Verify that the disk and communications drivers are up to date.
6.
Although rare, it is possible that there is enough noise on the RS-485
communication channel to the blade servers to tie up the service processors.
Check the event log to see if there are many service processor communication
errors occurring for all of the blade servers. If so, then see “Service processor
communication (SP COMM) errors displayed for a blade server” on page 48 for
additional troubleshooting procedures.
Troubleshooting fan module problems
Use this information to resolve problems with a fan module.
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. Go to the BladeCenter support search Web site at http://www.ibm.com/
systems/support/supportsite.wss/search?brandind=5000020 to see if any service
bulletins have been generated. In the Search field, enter the following terms: fan,
8886, and retain.
Fan module running at full speed
If a fan module is running at full speed, check to see if the fault LED is lit on any
of the fan modules.
Problem
One of the fan modules in the BladeCenter S chassis is running at full speed.
Investigation
Perform these steps to resolve the problem:
1.
Make sure that the advanced management module is installed and working. If
a fan module loses communication with the advanced management module, it
will run at full speed.
2.
Make sure the media tray is installed and working.
Chapter 3. Troubleshooting
51
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