Patent ID: 9251198
Filing Date: 2016-02-02
CPC Classification: G06F

Claim Text:
1. An asynchronous data replication system for providing a remote copy of data, in which remote replication is provided with reduced bandwidth requirements by copying deduplicated differences in business data from a storage site to a remote, backup storage site, the system comprising: a deduplicating storage pool for storing deduplicated data, said deduplicating storage pool further storing metadata about data objects in the system and which has metadata analysis logic for identifying and specifying differences in a data object over time; a remote performance storage pool for storing a copy of said data, available for immediate use as a backup copy of said data to provide business continuity to said data; a controller configured to, in response to a remote replication command: thereby synchronizing the remote performance storage pool to have the second version of the data object.