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Partition tolerance in cluster membership management

  • US 9,672,115 B2
  • Filed: 03/13/2014
  • Issued: 06/06/2017
  • Est. Priority Date: 08/26/2013
  • Status: Active Grant
First Claim
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1. A method comprising:

  • managing a cluster of computing nodes following a failure or management event that divides the cluster into at least a first partition and a second partition, wherein (i) the cluster aggregates local storage resources of each of the computing nodes to provide an object store, and (ii) each object stored in the object store represents a virtual disk associated with a corresponding virtual machine and contains data that is divided into respective data components stored across the storage resources of the respective computing nodes, wherein managing the cluster of computing nodes comprises;

    determining that a majority of data components that comprise a first object stored in the object store are stored within computing nodes in the first partition;

    determining that a majority of data components that comprise a second object stored in the object store are stored within computing nodes in the second partition;

    in response to determining that the majority of data components that comprise the first object are stored within computing nodes in the first partition, permitting configuration operations to be performed on data components of the first object stored within computing nodes in the first partition while denying any access to the first object from the second partition; and

    in response to determining that the majority of data components that comprise the second object are stored within computing nodes in the second partition, permitting configuration operations to be performed on data components of the second object stored within computing nodes in the second partition while denying any access to the second object from the first partition.

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