Providing a snapshot of a subset of a file system
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United States of America Patent
Stats
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Mar 10, 2009
Grant Date -
Sep 14, 2006
app pub date -
May 5, 2006
filing date -
Feb 15, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A system, method and computer readable medium for providing a snapshot of a subset of a file system. A first snapshot of a first set of source files in a file system is generated. The first snapshot includes an inode corresponding to each source file in the first set of files. Stored in each inode is a first identifier associated with the first set of files and a second identifier associated with the time of the first snapshot. Next, a second snapshot of a second set of source files is taken. The second snapshot includes an inode corresponding to each source file in the second set of files. Stored in each inode are a first identifier and a second identifier. Subsequent snapshots are taken every first period and every second period for the first set of files and the second set of files, respectively.
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