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Method of detecting data loss using multiple references to a file in a deduplication backup system

  • US 9,116,848 B1
  • Filed: 07/15/2009
  • Issued: 08/25/2015
  • Est. Priority Date: 07/15/2009
  • Status: Active Grant
First Claim
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1. A computer-implemented method, comprising:

  • receiving, by a processing device, a plurality of references associated with a file from a deduplication backup system storing a backup copy of the file, the plurality of references indicating location information of a plurality of instances of the file that are stored at different locations on a network;

    determining, in view of the plurality of references, whether at least one instance of the plurality of instances of the file is stored outside a storage domain specified by a policy; and

    detecting a violation of the policy if the plurality of references indicate that the at least one instance of the plurality of instances of the file is stored outside of the specified storage domain.

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