Multiple concurrent active file systems
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United States of America Patent
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Mar 23, 2010
Grant Date -
Aug 18, 2005
app pub date -
Feb 14, 2005
filing date -
Jun 7, 2002
priority date (Note) -
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Abstract
Maintenance of plural active file systems, wherein each of the active file systems initially access data shared with another of the active file systems, and wherein changes made to each of the active file systems are not reflected in other active file systems. When a second active file system is created based on a first active file system, the first active file system and the second active file system initially share data. When changes are made to the first active file system, modified data is recorded in the first active file system in a location that is not shared with the second active file system. When changes are made to the second active file system, modified data is recorded in the second active file system in a location that is not shared with the first active file system. Also, creation of the plural active file systems.
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