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Filesystem failover in a single system image environment

  • US 6,247,139 B1
  • Filed: 04/30/1998
  • Issued: 06/12/2001
  • Est. Priority Date: 11/11/1997
  • Status: Expired due to Term
First Claim
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1. A method for preserving open-unlinked files during node failure within a computer cluster, the method comprising the steps, performed by a server node, ofreceiving a request to unlink a file;

  • determining if the file is open on any of the nodes within the computer cluster;

    establishing a durable link to the file if the file is open on any node within the computer cluster;

    informing each node where the file is open that the file is subject to delayed unlinking; and

    unlinking the file.

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