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Reliable fault resolution in a cluster

  • US 7,941,690 B2
  • Filed: 07/05/2007
  • Issued: 05/10/2011
  • Est. Priority Date: 08/27/2003
  • Status: Active Grant
First Claim
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1. A method for resolving a fault in a computer system comprising:

  • determining a heartbeat loss in a cluster configured with a gateway for a network interface;

    validating said heartbeat loss, including sending an ICMP echo to all peer nodes in said cluster and said gateway through said network interface; and

    localizing said heartbeat loss including differentiating between a node fault and a network fault by analyzing a response echo.

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