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Douglas E Jewett, Tom Bereiter, Brian Vetter, Randall G Banton, Richard W Cutts Jr, Donald C Westbrook deceased, Kyran W Fey Jr, John Pozdro, Kenneth C Debacker, Nikhil A Mehta: Fault-tolerant computer system with online recovery and reintegration of redundant components. Tandem Computers Incorporated, Graham & James, March 15, 1994: US05295258 (159 worldwide citation)

A computer system in a fault-tolerant configuration employs multiple identical CPUs executing the same instruction stream, with multiple, identical memory modules in the address space of the CPUs storing duplicates of the same data. The system detects faults in the CPUs and memory modules, and place ...


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Jewett Douglas E, Bereiter Tom, Vetter Brian, Randall G Banton, Richard W Cutts Jr, Donald C Westbrook, Kiran W Fey Jr, John Pozdro, Kenneth C Debacker, Nikhil A Mehta, Phil Webster, Dave Aldridge, Peter C Norwood: Fault-tolerant computer with one-line re-incorporation and shutdown/restart. Tandem Comput, July 26, 1994: JP1994-208477

PURPOSE: To improve the reliability of a fault-tolerant computer by securing the operating ability of the computer at a high level by detecting the component of a system which gets out of order and setting the component in an off-line state so that the component can be reincorporated without shuttin ...