Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kenneth Beck0
Date of Patent
April 10, 2012
0Patent Application Number
129030960
Date Filed
October 12, 2010
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A computer system with read/write access to storage devices creates a snapshot of a data volume at a point in time while continuing to accept access requests to the mirrored data volume by copying before making changes to the base data volume. Multiple snapshots may be made of the same data volume at different points in time. Only data that is not stored in a previous snapshot volume or in the base data volume are stored in the most recent snapshot volume.
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