Method for loosely coupling metadata and data in a storage array
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United States of America Patent
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Apr 18, 2006
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app pub date -
Apr 25, 2002
filing date -
Apr 25, 2002
priority date (Note) -
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Abstract
The present invention is a method and system for associating metadata with user data in a storage array in a manner that provides independence between metadata management and a storage controller's cache block size. Metadata may be associated with user data according to multiple fashions in order to provide a desired performance benefit. In one example, the metadata may be associated according to a segment basis to maximize random I/O performance and may be associated according to a stripe basis to maximize sequential I/O performance.
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