OTHER: Recent Developments in Improving Mission-Critical System Availability

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OTHER: Recent Developments in Improving Mission-Critical System Availability

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Recent Developments in Improving Mission-Critical System Availability
Speakers: Dr. Bill Highleyman, Availability Digest and Bruce Holenstein, Gravic

Description:

Research on making mission-critical systems more reliable continues with some surprising developments. We first review the classic theory behind minimizing the probability that both nodes of a HA system will fail simultaneously. We extend this theory by examining nodal failure probability distributions and show that by staggering the nodal starting times so that failure probability distributions are uncorrelated, the probability of a dual node failure and resulting system loss can be greatly reduced. This strategy applies both to hardware failures and to software failures.

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