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Method for data maintenance

  • US 9,965,542 B2
  • Filed: 01/15/2016
  • Issued: 05/08/2018
  • Est. Priority Date: 09/02/2011
  • Status: Expired due to Fees
First Claim
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1. A data storage node comprising a processor configured to:

  • identify a first data item in a data storage system, wherein the first data item comprises a first collection object, a collection object is a type of file utilized to implement a distributed directory structure, the first collection object comprises one or more references to one or more other data items in the data storage system, and the one or more references comprise a reference to a second data item stored in the data storage system and a reference to a data file, the data file comprising payload data;

    determine a multicast address used to request the second data item in a cluster of the data storage system based on the reference to the second data item included in the first data item, the multicast address corresponding to a cluster address of the cluster;

    send a request for the second data item to the multicast address determined from the reference to the second data item included in the first data item; and

    receive the second data item based on the request.

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