Scalable performance-based volume allocation for time-based storage access services
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United States of America Patent
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Dec 9, 2014
Grant Date -
Aug 25, 2011
app pub date -
Feb 22, 2010
filing date -
Feb 22, 2010
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Abstract
A scalable, performance-based, volume allocation technique that can be applied in large storage controller collections is disclosed. A global resource tree of multiple nodes representing interconnected components of a storage system is analyzed to yield gap values for each node for a specific time period. The gap value for each node is an estimate of the amount of the additional or increased workload that can be allocated in the subtree of that node without exceeding the performance and space bounds at any of the nodes in that subtree for the specific time period. The gap values of the global resource tree are further analyzed to generate an ordered allocation list of the volumes of the storage system.
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