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.