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Distributed Scalable Deduplicated Data Backup System

  • US 20130173553A1
  • Filed: 12/29/2011
  • Published: 07/04/2013
  • Est. Priority Date: 12/29/2011
  • Status: Active Grant
First Claim
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1. A computer-implemented method comprising:

  • receiving at a server, a request from a client device to store data, the request comprising a request checksum computed from the data;

    creating an inode entry comprising metadata associated with the data;

    accessing a dedupe database, the dedupe database having a plurality of dedupe entries and each dedupe entry comprising a stored checksum;

    searching the dedupe database for a matching dedupe entry with a stored checksum equal to the request checksum;

    responsive to finding the matching dedupe entry, storing in the matching dedupe entry a back reference to the inode entry, and storing in the inode entry a reference to the matching dedupe entry; and

    storing the inode entry in an inode database.

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