Method and apparatus for deterministically identifying sets of snapshots on a storage system

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United States of America Patent

PATENT NO 11762807
APP PUB NO 20220229806A1
SERIAL NO

17154332

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Abstract

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Snapsets containing snapshots from a group of storage volumes are assigned snapset IDs. The same snapset ID is applied to each snapshot of the snapset, and is a globally unique value within the storage system. The snapset ID is assigned to a snapshot upon creation, and remains the same regardless of creation or deletion of other snapshots on the storage volume. By assigning a snapset ID to each snapshot of the snapset, and maintaining the snapset ID as a constant value as long as the snapshot is maintained on the storage system, it is possible to easily determine which snapshots form a given snapset. Control operations on particular storage groups or across storage groups are implemented by specifying particular actions to be taken on snapsets or snapshots, which are identified using the snapset IDs.

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Patent Owner(s)

  • DELL PRODUCTS L.P.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Anwar, Shakil Westborough, US 4 9
Copley, John Hopkinton, US 2 0
Ferrari, Michael Douglas, US 28 77
Kinney, Daryl Hopkinton, US 6 24
Tao, Tao Cambridge, US 193 1624
von, Hein Nicholas Riverside, US 4 9

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