Incremental restore of data between storage systems having dissimilar storage operating systems associated therewith
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United States of America Patent
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Apr 1, 2014
Grant Date -
May 31, 2012
app pub date -
Nov 30, 2010
filing date -
Nov 30, 2010
priority date (Note) -
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Abstract
A method includes quiescing a file system of source storage system through a backup engine associated with the source storage system and a destination storage system and capturing, at the source storage system, a point-in-time image of the file system thereof through the backup engine. The method also includes sharing the captured point-in-time image of the file system of the source storage system with the destination storage system to enable the storage systems to have a common base data and negotiating between the storage systems for the common base data. Further, the method includes applying, to the common base data at the source storage system, a differential change corresponding to a difference between the common base data and a point-in-time image of the file system of the source storage system backed up at the destination storage system.
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