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Distributed control protocol for high availability in multi-node storage cluster

  • US 9,692,645 B2
  • Filed: 04/03/2014
  • Issued: 06/27/2017
  • Est. Priority Date: 02/13/2014
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving, by a first node computing device, a plurality of quorum change messages from a plurality of nodes via a cluster switching fabric, wherein the plurality of nodes comprises at least a second node of an existing cluster and a third node;

    determining, by the first node computing device, when there is a quorum change event comprising a new node join event based on absence of one or more parameters from one of the quorum change messages received from the third node; and

    establishing, by the first node computing device, one or more high availability (HA) partner relationships in a new cluster based on one or more other parameters from another one of the quorum change messages received from the second node in order to join the third node to the new cluster, when the determining indicates that the quorum change event comprises a new node join event.

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