| 摘要 |
PURPOSE:To correctly judge a fault location, to attain a suitable fault processing and to improve the reliability of a composite computer system by supervising mutually other computer with plural computers and exchanging the supervisory information. CONSTITUTION:A computer having a transmission right of a health signal transmits successively the health signal to other computer and stores the fault supervising information collected already by an opponent computer. When the information collection is completed, the fault of the computer is decided, and the stored fault information is informed to other computer. A fault deciding processing is executed on the computer having the transmission right of the health signal at a constant time internal and a health signal transmission right is cyclicly transferred between computers. Thus, plural computers mutually supervise other computer and the supervisory information is exchanged. Thus, the fault location is correctly judged, a suitable fault processing is executed and the reliability of the composite computer system can be improved.
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