Patent ID: 9483352
Filing Date: 2016-11-01
CPC Classification: G06F

Claim Text:
1. A method, comprising: operating a first cluster comprising first virtual machines and first servers; operating a second cluster comprising second virtual machines and second servers; storing first data from the first virtual machines at a first data store of the first cluster and storing a replica of the first data at a second data store of the second cluster; storing second data from the second virtual machines at the second data store and storing a replica of the second data at the first data store; identifying a failure of the first cluster; and in response to the failure, restarting the first virtual machines using the second servers and the replica of the first data at the second data store, wherein storing the first data comprises circumventing a cache of the first data store and writing directly to a disk of the first data store during a normal operating mode to reduce an amount of time data is kept in volatile memory.