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System and method for coordinated bringup of a storage appliance in a cluster configuration

  • US 7,293,195 B1
  • Filed: 01/29/2004
  • Issued: 11/06/2007
  • Est. Priority Date: 01/29/2004
  • Status: Active Grant
First Claim
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1. A method for a coordinated bringup of a repaired storage appliance in a storage appliance cluster, the repaired storage appliance having a disk subsystem, comprising:

  • asserting a first state in memory of the repaired storage appliance, the first state indicating that the repaired storage appliance awaits release of disk reservations of the disk subsystem by a surviving storage appliance;

    releasing the disk reservations in response to detection of the asserted first state by the surviving storage appliance;

    initializing the disk subsystem of the repaired storage appliance;

    asserting a second state in memory of the repaired storage appliance, the second state indicating that the repaired storage appliance has initialized the disk subsystem; and

    performing a giveback operation by the surviving storage appliance in response to detecting the second state.

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