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Method and apparatus for monitoring the health of a computer system

  • US 7,668,696 B2
  • Filed: 04/16/2007
  • Issued: 02/23/2010
  • Est. Priority Date: 04/16/2007
  • Status: Active Grant
First Claim
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1. A method for monitoring the health of a computer system, comprising:

  • receiving a variance of a time series for a monitored telemetry variable within the computer system,calculating a residual function of the variance of the time series for the monitored telemetry variable;

    calculating a first-difference function of the variance of the time series from the residual function;

    determining whether the first-difference function indicates that the computer system is at the onset of degradation; and

    if so, performing a remedial action.

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