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Policy-based storage structure distribution

  • US 9,235,623 B2
  • Filed: 04/16/2010
  • Issued: 01/12/2016
  • Est. Priority Date: 04/16/2009
  • Status: Active Grant
First Claim
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1. A method of adding a node to a collection of computing nodes, the method comprising:

  • joining a new node to the collection of computing nodes as a leech node;

    receiving, at the leech node, information from other active nodes in the collection of computing nodes;

    synchronizing the leech node based on the received information, the leech node becoming substantially synchronized before promoting the leech node to an active node;

    triggering, by the leech node, a synchronized re-join process; and

    in response to triggering the synchronized re-join process, promoting, by the leech node, the leech node to an active node in the collection of computing nodes,wherein the joining the new node as a leech node comprises the leech node obtaining a key space from the other active nodes in the collection of computing nodes,wherein the leech node is not an active node, andwherein the receiving information comprises receiving copies of key values from other active nodes, the key values being key values whose ownership will be transferred from the other active nodes to the leech node once the leech node becomes an active node, wherein the receiving information further comprises the leech node monitoring the key values.

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