"I/O Module Fault" for SAS Connectivity Module - IBM BladeCenter H (7989, 8852)

Troubleshooting

Problem

"I/O Module Fault" is reported by the Advanced Management Module (AMM) for a IBM BladeCenter SAS Connectivity Module, Option part number 39Y9195, running in a BladeCenter H chassis. The user is unable to power cycle or reset the SAS Connectivity Modulethrough the AMM, but the SAS Connectivity Module otherwise remains functional.

Resolving The Problem

Source

RETAIN tip: H202721

Symptom

"I/O Module Fault" is reported by the Advanced Management Module (AMM) for a IBM BladeCenter SAS Connectivity Module, Option part number 39Y9195, running in a BladeCenter H chassis.

The user is unable to power cycle or reset the SAS Connectivity Module through the AMM, but the SAS Connectivity Module otherwise remains functional.

Affected configurations

The system may be any of the following IBM servers:

BladeCenter H, type 7989, any model
BladeCenter H, type 8852, any model

The system is configured with one or more of the following IBM Options:

IBM BladeCenter SAS Connectivity Module, Option part number 39Y9195, replacement part number 39Y9193

This tip is not software specific.

Solution

This rare behavior has been corrected in First Quarter 2012 AMM firmware code, Version 3.62O, Build ID: BPET62O.

The file is available by selecting the appropriate Product group, type of System, Product name, Product machine type, and operating system on IBM Support's Fix Central web page, at the following URL:

http://www.ibm.com/support/fixcentral

Workaround

Restart the primary AMM or fail over to a secondary AMM, if available, to re-establish communication between the AMM and the SAS Connectivity Module.

Additional information

IBM is investigating this issue. Possible root cause has been identified.

Document Location

Worldwide

Operating System

BladeCenter:Operating system independent / None

System x Hardware Options:Operating system independent / None

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