Method and system for implementing multi-controller systems
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United States of America Patent
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Oct 23, 2012
Grant Date -
May 19, 2011
app pub date -
Nov 19, 2009
filing date -
Nov 19, 2009
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Abstract
A method for implementing a high-availability system that includes a plurality of controllers that each includes a shared memory. The method includes storing in the shared memory, by each controller, status data related to each of a plurality of failure modes, and calculating, by each controller, an availability score based on the status data. The method also includes determining, by each controller, one of the plurality of controllers having a highest availability score, and identifying the one of the plurality of controllers having the highest availability score as a master controller.
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