Maintenance of link level consistency between database and file system
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United States of America Patent
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Mar 27, 2012
Grant Date -
Nov 9, 2006
app pub date -
May 6, 2005
filing date -
May 6, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
Methods and computer-readable media for maintaining transactional link-level consistency between a database and a file system. A file system change is logged in a record of a database log and a file corresponding to the file system change is created in a file system folder. During a restart recovery process, an analysis operation and a conditional redo operation are performed based on the database log, and a conditional redo operation and an undo operation are performed based on the files in the file system folder. An undo operation is then performed based on the database log.
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