Systems and methods for a snapshot of data
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United States of America Patent
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Jan 15, 2013
Grant Date -
Apr 14, 2011
app pub date -
Dec 17, 2010
filing date -
Aug 18, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
In one embodiment, a user or client device is connected to a distributed file system comprised of one or more physical nodes. The data on each of the physical nodes store metadata about files and directories within the file system. Some of the embodiments permit a user to take a snapshot of data stored on the file system. The snapshot may include a single file, a single directory, a plurality of files within a directory, a plurality of directories, a path on the file system that includes nested files and subdirectories, or more than one path on the file system that each includes nested files and directories. In an embodiment, a snapshot tracking data structure is maintained for efficient creation and deletion of the snapshot.
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