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Systems, methods, and computer readable media for computer data protection

  • US 20060242381A1
  • Filed: 04/22/2005
  • Published: 10/26/2006
  • Est. Priority Date: 04/22/2005
  • Status: Active Grant
First Claim
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1. A method of protecting data in a computing file system, comprising:

  • defining a virtual volume comprising a virtual volume database associated with a target volume;

    mounting the virtual volume;

    processing at least one write access including a write data segment and a write target pointer to the target volume, comprising;

    creating a virtual volume record in the virtual volume database associated with the at least one write access, comprising;

    creating a target pointer corresponding to the write target pointer; and

    creating a shadow cache pointer corresponding to a free location of a shadow cache; and

    storing the write data segment at the free location; and

    processing at least one virtual volume record in the virtual volume database upon the occurrence of an event of interest, comprising copying a cache data segment from the shadow cache at a shadow cache pointer of the at least one virtual volume record to the target volume at a target pointer of the at least one virtual volume record.

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