Service Processor (Bmc) Error Codes; Solving Sas Hard Disk Drive Problems; Solving Shared Bladecenter Resource Problems; Keyboard Or Mouse Problems - IBM LS42 - BladeCenter - 7902 Service Manual

Service processor (BMC) error codes

The baseboard management controller (BMC) log contains up to 512 of the most
recent service processor errors, in IPMI format. These messages are a combination
of plain text and error-code numbers. You can view the BMC log from the Setup
Utility menu by selecting Advanced Setup → Baseboard Management Controller
(BMC) Settings → BMC System Event Log.
You can view additional information and error codes in plain text by viewing the
management-module event log in your BladeCenter unit.

Solving SAS hard disk drive problems

For any SAS error message, one or more of the following devices might be causing
the problem:
v A failing SAS device (adapter, drive, or controller)
v An incorrect SAS configuration
For any SAS error message, make sure that the SAS devices are configured
correctly.

Solving shared BladeCenter resource problems

Problems with BladeCenter shared resources might appear to be in the blade
server. The following sections provide procedures to help you isolate blade server
problems from shared BladeCenter resource problems. If the problem is thought to
be with a shared resource, see the Problem Determination and Service Guide or the
Hardware Maintenance Manual and Troubleshooting Guide for your BladeCenter unit
and other BladeCenter component documentation for additional information. If the
problem cannot be solved, see "Solving undetermined problems" on page 164.
To check the general function of shared BladeCenter resources, complete the
following procedures:
1. Make sure that:
2. Determine whether the problem is being experienced with more than one blade
3. Try the blade server in a different blade bay.
4. Try a known-good blade server in the blade bay.

Keyboard or mouse problems

To check for keyboard or mouse problems, complete the following steps until the
problem is solved:
1. Make sure that the following conditions are met:
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BladeCenter LS22 Type 7901 and LS42 Type 7902: Problem Determination and Service Guide
v The BladeCenter unit has the required power modules and is connected to a
working power source.
v Power management has been correctly set for your BladeCenter unit
configuration.
server. Perform a test of the function on a known-good blade server.
v Both the blade server and the monitor are turned on.