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HANDLING RESTORES IN AN INCREMENTAL BACKUP STORAGE SYSTEM

  • US 20140258237A1
  • Filed: 03/06/2013
  • Published: 09/11/2014
  • Est. Priority Date: 03/06/2013
  • Status: Active Grant
First Claim
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1. A method comprising:

  • identifying a first blockmap in a backup storage system, the first blockmap corresponding with a first restore point, the first blockmap identifying a first plurality of data segments, each of the first plurality of data segments having associated therewith a respective storage location in the backup storage system;

    comparing the first blockmap with a designated storage system state to identify a subset of the first plurality of data segments that each correspond with a respective matching data segment in the designated storage system state; and

    storing a second blockmap in the backup storage system, the second blockmap corresponding with a second restore point, the second blockmap including the identified subset of the first plurality of data segments.

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