SUB-CLUSTER RECOVERY USING A PARTITION GROUP INDEX
First Claim
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1. A method for sub-cluster recovery in a data storage environment having a plurality of nodes, the method comprising:
- scanning data items in the plurality of nodes;
while scanning, indexing the data items into an index of a plurality of partition groups, wherein each partition group comprises data items owned by a particular one of the plurality of nodes; and
storing the index.
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Abstract
Embodiments disclosed herein provide systems, methods, and computer readable media for sub-cluster recovery in a data storage environment having a plurality of storage nodes. In a particular embodiment, the method provides scanning data items in the plurality of nodes. While scanning, the method further provides indexing the data items into an index of a plurality of partition groups. Each partition group includes data items owned by a particular one of the plurality of storage nodes. The method then provides storing the index.
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Citations
18 Claims
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1. A method for sub-cluster recovery in a data storage environment having a plurality of nodes, the method comprising:
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scanning data items in the plurality of nodes; while scanning, indexing the data items into an index of a plurality of partition groups, wherein each partition group comprises data items owned by a particular one of the plurality of nodes; and storing the index. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A system for sub-cluster recovery in a data storage environment having a plurality of nodes, the system comprising:
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one or more computer readable storage media; a processing system operatively coupled with the one or more computer readable storage media; and program instructions stored on the one or more computer readable storage media that, when read and executed by the processing system, direct the processing system to; scan data items in the plurality of nodes; while scanning, index the data items into an index of a plurality of partition groups, wherein each partition group comprises data items owned by a particular one of the plurality of nodes; and store the index. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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Specification