Using a sparse file as a clone of a file
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United States of America Patent
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Jun 5, 2012
Grant Date -
Sep 30, 2010
app pub date -
Mar 31, 2009
filing date -
Mar 31, 2009
priority date (Note) -
Expired
status (Latency Note)
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Abstract
One embodiment is for using a sparse file as a clone. The method includes creating, by an application associated with a computer system, a snapshot of a file, such as an individual file, a collection of files, file system, directories, and so forth. Further, the method includes requesting, by the application, a clone of that created snapshot. Further still, the method includes generating, by the application, an empty sparse having at least one inode identifying the empty sparse file as the clone and pointing to the snapshot associated with the clone. Thereby, the requested clone is created using the created sparse file, which begins as an empty sparse file.
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