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Knowledge Article: ID B00101007: Unable to isolate bus fault. Bus was not recovered.

Description

A bus fault has occurred between the advanced management module and one or more blade servers. The advanced management module cannot isolate the fault. Therefore, the advanced management module cannot communicate with these blade servers.

Causes

An internal communication bus on the advanced management module has failed.

Implications

An internal communication bus on the advanced management module has failed.

Resolutions

Perform these steps:

  1. Look in the event log for other communication problems with blade servers.
  2. View the System Status Summary page through the advanced management module Web interface to determine which blade servers are affected.
  3. Reset the service processor for each of the blade servers. You can reset the service processor through the advanced management module Web interface, from the Blade Power/Restart page.
  4. Restart the advanced management module.
  5. Check the IBM Support Web page for any service bulletins that might be related to this problem.
  6. Reseat the blade server.

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.