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Method to synchronize a replacement controller's firmware version to the native configuration database version on a simplex array

  • US 8,924,778 B2
  • Filed: 12/29/2010
  • Issued: 12/30/2014
  • Est. Priority Date: 12/29/2010
  • Status: Expired due to Fees
First Claim
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1. A method to synchronize firmware of a replacement simplex array controller with firmware of an original simplex array controller comprising:

  • creating and storing by said original simplex array controller on a firmware repository storage device an original controller firmware code image that contains an original controller revision of firmware that is running on said original simplex array controller and original controller firmware revision information about said original controller revision of firmware, said firmware repository storage device being comprised of at least one storage device of an array of storage devices controlled by said original simplex array controller;

    replacing said original simplex array controller with said replacement simplex array controller;

    determining by said replacement simplex array controller that said replacement simplex array controller is running different firmware than said original simplex array controller was running by comparing replacement controller firmware revision information of firmware currently running on said replacement simplex array controller with said original controller firmware revision information stored in said original controller firmware code image; and

    replacing said currently running revision of firmware on said replacement simplex array controller with said original controller revision of firmware stored in said original controller firmware code image.

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