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Diagnosis in Distributed Systems January 1985 (vol. 34 no. 1)
pp. 19-32 C.S. Holt, Codex Corporation This paper deals with
computer system diagnosis that is performed by a system itself,
rather than by an outside mechanism. The devices performing the
diagnosis and the devices communicating diagnostic information
are included in the system model and may be potentially faulty.
This paper differs from previous work in several ways. A more
general diagnostic model is used that permits analysis of a
larger class of systems, and the diagnostic goals are more
closely matched to realistic self-diagnosis problems. In
addition, there are differences in assumptions regarding test
invalidation and effects of faults on communication that produce
greater self-diagnosibility while accurately modeling faulty
system behavior. Index Terms: system modeling, Asymmetric
invalidation, distributed systems, fault-tolerant computing,
system diagnosis C.S. Holt, J.E. Smith, "Self