Knowledge Article: ID B0EA0E501: Battery Backup Unit %d fault condition was detected by I/O Module

Description

A fault has occurred in the specified battery backup unit used to back up the cache for the specified SAS RAID controller module.

Causes

If the specified battery backup unit is detected, the SAS RAID controller module will check the battery backup unit for a fault condition.

Implications

When the SAS Controller Module detects a battery backup unit fault has a occurred, this event is generated.

Resolutions

Perform these steps:

1. Check the update history for the SAS RAID controller module firmware for any battery related changes.
   
   
2. Replace the battery backup unit. See the IBM BladeCenter SAS RAID Controller Module Installation and User"s Guide for more information about replacing a battery backup unit. The guide is available on the Web.
   

Additional information

To find additional troubleshooting help, visit the "IBM Support & downloads" Web site, select "BladeCenter" for "Browse products for support" panel. At "Support & downloads quick start" page, select your product for "Choose your products", and "Troubleshooting" for "Choose your page", then select "View your page" for "See your results". To narrow the results, search with keywords that are related to this article, such as "fail", "Chassis", etc. in the "Search support" field at the right panel.

To download the latest firmware or drivers, visit the "Fix Central" Web site, select "BladeCenter" for "Product Group" (from the pull-down lists), select your product for "Product" (from the pull-down lists), select your product machine type for "Product" (from the pull-down lists), and select your operating system for "Operating system" (from the pull-down lists). You can refine the search by selecting the category of the download of your interest from the "Refine results" list.