Risk-modulated proactive data migration for maximizing utility in storage systems
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United States of America Patent
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Jun 23, 2009
Grant Date -
Sep 11, 2008
app pub date -
Mar 5, 2007
filing date -
Mar 5, 2007
priority date (Note) -
Expired
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Abstract
The embodiments of the invention provide a method, computer program product, etc. for risk-modulated proactive data migration for maximizing utility. More specifically, a method of planning data migration for maximizing utility of a storage infrastructure that is running and actively serving at least one application includes selecting a plurality of potential data items for migration and selecting a plurality of potential migration destinations to which the potential data items can be moved. Moreover, the method selects a plurality of potential migration speeds at which the potential data items can be moved and selects a plurality of potential migration times at which the potential data items can be moved to the potential data migration destinations. The selecting of the plurality of potential migration speeds selects a migration speed below a threshold speed, wherein the threshold speed defines a maximum system utility loss permitted.
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