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Systems and methods for retrieving data in a computer network

  • US 8,103,670 B2
  • Filed: 10/30/2008
  • Issued: 01/24/2012
  • Est. Priority Date: 01/31/2000
  • Status: Expired due to Term
First Claim
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1. A data retrieval system comprising:

  • a first computing device having a processor that supports operation of a software application and an interface module for retrieving data for the software application;

    a plurality of second computing devices comprising media management devices device communicatively coupled to the first computing device and to a plurality of storage media for storing the data, wherein the storage media comprises a plurality of different media types and the media management devices are configured to store data in different formats on the different types;

    a plurality of data indexes, each of the plurality of data indexes stored on one of the plurality of media management devices, wherein each index indicates a particular location of the data for one or more storage media that is to be retrieved by the interface module of the first computing device; and

    a third computing device communicatively coupled to the interface module of the first computing device and to the plurality of media management devices, the third computing device storing a storage and backup map that identifies which of the plurality of indexes has the particular locations of the data when the data is migrated from a first storage media type to a second storage media type.

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