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Systems and methods for recovering electronic information from a storage medium

  • US 7,472,238 B1
  • Filed: 11/07/2005
  • Issued: 12/30/2008
  • Est. Priority Date: 11/05/2004
  • Status: Active Grant
First Claim
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1. A method for preserving location information related to data stored on removable storage media comprising:

  • writing a section of data to a removable storage medium, wherein writing the section of data includes writing the section of data in accordance with a data retention policy that defines a minimum time period in which the section of data cannot be overwritten;

    updating an index associated with the data to include location information related to the section of data that indicates the section of data is stored on a certain portion of the removable storage medium; and

    after the minimum time period lapses,designating the certain portion of the removable storage medium that contains the section of data is available for overwrite; and

    deleting the location information related to the section of data from the updated index only after the section of data corresponding to the location information is overwritten.

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