Mechanisms for moving data in a hybrid aggregate
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United States of America Patent
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Nov 27, 2012
Grant Date -
Nov 4, 2010
app pub date -
Apr 29, 2009
filing date -
Apr 29, 2009
priority date (Note) -
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Abstract
At least certain embodiments include a method, system and apparatus for relocating data between tiers of storage media in a hybrid storage aggregate encompassing multiple tiers of heterogeneous physical storage media including a file system to automatically relocate the data between tiers. The hybrid storage aggregate includes one or more volumes, each volume including a volume block number space spanning at least a first-tier of storage media and a second tier of storage media of the multiple tiers of heterogeneous physical storage media and the hybrid storage aggregate further includes a control module to cooperatively manage the tiers of the multiple tiers of heterogeneous physical storage media and a file system coupled with the control module, the file system including a policy module configured to make policy decisions based on a set of one or more policies and configured to automatically relocate data between different tiers of the multiple tiers of heterogeneous physical storage media based on the set of policies.
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