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Restoring data from point-in-time representations of the data

  • US 7,231,544 B2
  • Filed: 02/27/2003
  • Issued: 06/12/2007
  • Est. Priority Date: 02/27/2003
  • Status: Active Grant
First Claim
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1. A method for use in a system, comprising:

  • storing plural point-in-time representations of data taken at plural respective time points from a storage unit;

    receiving a first request to restore data from a first one of the point-in-time representations;

    in response to the first request to restore but prior to performing the restore, staring data in the storage unit in a second point-in-time representation that is subsequent to the first point-in-time representation; and

    in response to the first request, restoring data into the storage unit from the first point-in-time representation and from at least a third point-in-time representation subsequent to the first point-in-time representation.

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