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Optimized index usage for data restore

  • US 8,935,215 B1
  • Filed: 04/29/2011
  • Issued: 01/13/2015
  • Est. Priority Date: 04/29/2011
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving a request from a first computing device at a backup storage device,whereinthe request comprises a restore criterion;

    transmitting a query from the backup storage device to at least one client computing device of a plurality of client computing devices in response to the receiving the request, whereineach client computing device of the plurality of client computing devices comprises a respective index of a respective plurality of storage objects indexed by the each client computing device;

    receiving a reply to the query, whereinthe reply is received by the backup storage device from the at least one client computing device of the plurality of client computing devices, andthe reply comprises information identifying at least one storage object stored in the at least one client computing device that satisfies the restore criterion;

    identifying whether a backup copy of the at least one storage object is stored in the backup storage device; and

    transmittinginformation to the first computing device, wherein the information identifies the backup copy of the at least one storage object.

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