System and method for improving file system transfer through the use of an intelligent geometry engine
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United States of America Patent
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Dec 2, 2003
Grant Date -
Jan 30, 2003
app pub date -
Jul 30, 2001
filing date -
Jul 30, 2001
priority date (Note) -
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Abstract
An improved system and method for handling input/output (I/O) data transfers between storage devices and file systems is disclosed. The file system is made aware of the geometry of the storage device either through automatic querying of the storage device or through user input. The file system then intelligently employs the information about the geometry of the storage device to optimize data storage transfers between the file system and the storage device. The optimization may involve, for instance, storing volume header information in full array subsystem stripes, making disk and object geometry available in volume headers, accessing and applying volume set configuration parameters, placing file directory information at strip/stripe boundaries, strategically placing blocks and clusters of data, and applying knowledge of locking segment size.
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