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High availability cache in server cluster

  • US 9,952,949 B2
  • Filed: 11/20/2015
  • Issued: 04/24/2018
  • Est. Priority Date: 01/20/2014
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a processor;

    a computer readable storage medium that stores program code executable by the processor to;

    obtain permission for an active cache coherency manager to manage a cache in response to a failover event by communicating a cache coherency token to the active cache coherency manager, wherein a plurality of cache coherency managers accesses the cache; and

    rebuild a cache directory using the active cache coherency manager from data stored in the cache and access the cache without reloading the data stored in the cache.

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