Reducing power consumption by migration of data within a tiered storage system
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United States of America Patent
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Jul 11, 2017
Grant Date -
Oct 31, 2013
app pub date -
Apr 25, 2012
filing date -
Apr 25, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
Mechanisms identify one or more first storage devices in a first tier of the tiered storage system that may be placed in a minimal power consumption state and identify one or more data segments stored on the one or more first storage devices that are most likely to be accessed during a period of time in which the one or more first storage devices are in the minimal power consumption state. The mechanisms migrate the one or more data segments to one or more second storage devices in one of the first tier or a second tier of the storage system and place the one or more first storage devices in the minimal power consumption state. Access requests to the one or more data segments are serviced by the one or more second storage devices while the one or more first storage devices are in the minimal power consumption state.
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