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DATA MIGRATION PRESERVING STORAGE EFFICIENCY

  • US 20160088080A1
  • Filed: 09/23/2014
  • Published: 03/24/2016
  • Est. Priority Date: 09/23/2014
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • receiving an indication of a group of two or more files;

    selecting among the two or more files a reference file and one or more selected files;

    initiating a first migration operation to migrate the reference file from a source storage server to a destination storage server; and

    initiating one or more additional migration operations to migrate each of the one or more selected files from the source storage server to the destination storage server, wherein at least one of the additional migration operations includes;

    transmitting to the destination storage server data blocks of the selected file that are not shared between the reference file and the selected file; and

    avoiding transmitting to the destination storage server the shared data blocks.

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