Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Elizabeth G. Rodriguez0
James George Wayda0
Kent Lee0
Ngoclan Thi Vu0
Date of Patent
July 5, 2011
Patent Application Number
11779965
Date Filed
July 19, 2007
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
A method and device for managing snapshot data is provided. Snapshots may be created having a preserved data area and a write data area. The preserved data area is used to maintain snapshot data corresponding to the point-in-time when the snapshot was created while the write data area is used to facilitate host read/write access to the snapshot. By maintaining two separate areas, the snapshot can be written to without altering the point-in-time representation of the snapshot.
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