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Method and system for restoring data

  • US 20050193239A1
  • Filed: 02/13/2004
  • Published: 09/01/2005
  • Est. Priority Date: 02/13/2004
  • Status: Active Grant
First Claim
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1. A signal bearing medium tangibly embodying a program of machine-readable instructions executable by a digital processing apparatus to perform operations for restoring data, the operations comprising:

  • receiving a request for at least a portion of the data;

    creating a directory entry for the data in a virtual file system;

    allocating storage space for the data;

    initializing a block virtualization indicator to a value indicating that the data is not available;

    writing a subset of the data to the storage space; and

    changing the block virtualization indicator to a value indicating that the data is available.

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