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USING DEVICE STATUS INFORMATION TO TAKEOVER CONTROL OF DEVICES ASSIGNED TO A NODE

  • US 20090319700A1
  • Filed: 06/23/2008
  • Published: 12/24/2009
  • Est. Priority Date: 06/23/2008
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • communicating, by a first processing unit, with a second processing unit;

    using, by the first processing unit, a first device accessible to both the first and second processing units;

    using, by the second processing unit, a second device accessible to both the first and second processing units;

    receiving, by the first processing unit, status on the second device from the first device indicating whether the second device is available or unavailable;

    detecting, by the first processing unit, a failure of the second processing unit;

    determining, by the first processing unit, from the received status on the second device whether the second device is available in response to detecting the failure of the second processing unit; and

    configuring, by the first processing unit, the second device for use by the first processing unit in response to determining that the received status on the second device indicates that the second device is available and in response to detecting the failure.

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