Method of increasing performance and manageability of network storage systems using optimized cache setting and handling policies
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United States of America Patent
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Apr 1, 2008
Grant Date -
Feb 19, 2004
app pub date -
Aug 11, 2003
filing date -
Aug 19, 2002
priority date (Note) -
Expired
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Abstract
A system for and method of increasing performance and manageability of storage area networks using optimized cache setting and handling policies. Initial cache management policies are set on a volume or zone basis, performance statistics are gathered based on preset statistical criteria, and policies are then set according to the goal of reaching particular system performance goals. Cache performance is optimized by customizing individual cache policies according to the underlying processing needs of each volume or sub-volume within the networked storage system. Cache parameter settings are optimized in a different way depending on whether the bulk of commands processed in the volume or sub-volume are pseudo-sequential or random, as well as other system-specific considerations.
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