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Deduplication rehydration

  • US 9,575,680 B1
  • Filed: 08/22/2014
  • Issued: 02/21/2017
  • Est. Priority Date: 08/22/2014
  • Status: Active Grant
First Claim
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1. A method for deduplication rehydration, comprising:

  • receiving a request to restore a backup image, the backup image being stored in a deduplication system, wherein the backup image comprises a plurality of data segments;

    determining locality information for at least one of the plurality of data segments, wherein the locality information comprises information regarding a location of the at least one data segment in relation to each other data segment of the plurality of data segments in the backup image;

    obtaining an identifier of each data container storing the plurality of data segments of the backup image; and

    determining a degree to which the plurality of data segments of the backup image are processed by prefetching.

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