IBM BladeCenter HT 8740, Руководство по диагностике и обслуживанию

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v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v
See Chapter 3, “Parts listing,” on page 23 to determine which components are CRUs and which
components are FRUs.
v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
Symptom Action
Cannot communicate with the
external ports on an I/O module.
1. Make sure that the external ports option is enabled in the management-module
Web interface.
2. Check the management-module logs to verify that the active management
module has completed POST.
3. Make sure that the blade server that is being used to initiate the communication
has a known good configuration.
4. Check the management interface of the I/O module and the upstream switch
and verify that a good link exists.
5. Verify that the configuration on the I/O module is good by copying a known
good configuration to the I/O module or by resetting the I/O module to the
default configuration.
6. Reseat the I/O module (see “Removing an I/O module” on page 64).
7. Replace the I/O module with a known working I/O module of the same type in
the bay or move the I/O module to a known working bay.
8. Replace the I/O module.
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BladeCenter HT Type 8740 and 8750: Problem Determination and Service Guide