Data allocation within a storage system architecture
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United States of America Patent
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Nov 10, 2009
Grant Date -
Nov 2, 2006
app pub date -
Apr 29, 2005
filing date -
Apr 29, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a method and system for data allocation within a storage system architecture. One or more nodes of the storage system architecture provides access to striped data stored on a striped volume set. Each node can store a volume of the striped volume set. Further, the striped volume set is identified by a striping table. When modifying the storage system architecture, such as adding a volume to, or removing a volume from, the striped volume set, the striping table is rearranged to accurately identify the location of striped data on the striped volume set. At least one restriping process implemented on the striping table affects the volume utilization efficiency, hot-spotting behavior, and distribution efficiency of the striped volume set.
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