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Dynamic Updating of Failover Policies for Increased Application Availability

  • US 20110022882A1
  • Filed: 07/21/2009
  • Published: 01/27/2011
  • Est. Priority Date: 07/21/2009
  • Status: Active Grant
First Claim
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1. A method, in a data processing system, for performing a failover operation of an application from a faulty node of a high availability cluster to a selected target node, comprising:

  • receiving a notification of an imminent failure of the faulty node;

    receiving health information from one or more additional nodes of a local failover scope of a failover policy associated with the faulty node, wherein the faulty node and the one or more additional nodes are members of the local failover scope;

    dynamically modifying the failover policy based on the health information from the one or more additional nodes of the local failover scope;

    selecting a node from the modified failover policy as the target node for failover of an application running on the faulty node to the target node; and

    performing failover of the application to the target node based on the selection of the node from the modified failover policy.

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