Application independent write monitoring method for fast backup and synchronization of files
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United States of America Patent
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-
Jan 10, 2006
Grant Date -
Aug 29, 2002
app pub date -
Feb 28, 2001
filing date -
Feb 28, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method for monitoring file system requests made by an application program, storing changes made to a first copy of a selected file by the application program into a first file and synchronizing the changes made to the selected file with a second copy of the selected file. The monitoring and storing process is application independent in that it is utilized by the operating system for all file system requests made by any application program. The monitoring and storing process is repeated each time a file system request is made by the application program to track changes made to the selected file. At the time of synchronization, if the application program is no longer modifying the selected file and the selected file is closed, all entries in the first file are applied to the second copy of the selected file. As a result, synchronization of both copies of the selected files is achieved.
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