Management of extent migration on tiered storage
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United States of America Patent
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Feb 21, 2017
Grant Date -
Jul 7, 2016
app pub date -
Mar 17, 2016
filing date -
Jan 28, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
Aspects of the present disclosure are directed toward a system for managing the migration of extents on tiered systems. The system can include receiving a space reservation request for one or more requested extents on a first storage tier of a storage system. The system can also include releasing a first storage tier reserve space that includes one or more first tier reserved extents in response to the first storage tier reserve space being insufficient for the reservation request. The system can also include migrating the one or more requested extents to the first storage tier reserve space.
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