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System and method for generating and managing quick recovery volumes

  • US 7,346,623 B2
  • Filed: 09/30/2002
  • Issued: 03/18/2008
  • Est. Priority Date: 09/28/2001
  • Status: Expired due to Term
First Claim
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1. A computer readable medium storing program code which when executed on a computer, causes the computer to perform a method for performing a recovery operation of a primary data set located on a primary volume in a storage system, the method comprising:

  • identifying a first snapshot image generated by a snapshot application of a primary data set located on a primary volume;

    identifying a second snapshot image of the primary data set generated by the snapshot application;

    creating a recovery volume of the primary data set on one of a plurality of available secondary volumes;

    updating the recovery volume by comparing the first and second snapshot images of the primary data set;

    mounting the recovery volume in place of the primary volume; and

    designating the recovery volume as the primary volume such that a data request referencing the primary volume is executed by the recovery volume.

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