A method for monitoring and managing redundancy of a fault-tolerant system for improving availability
A fault-tolerant system and redundancy management technology, which can be applied in reliability/availability analysis, hardware monitoring, and redundancy in hardware for error detection of data. Engineering Realizability, Increased Flexibility, Ensuring Data Effectiveness
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[0034] This program establishes a three-node fault-tolerant computer platform, and each node is composed of a dual-processor monitoring pair processing unit and a bus interface unit. By implementing strategies such as intra-node and inter-node voting monitoring, fault detection, fault isolation, and fault reconstruction, the performance loss of the system will be minimized to achieve the purpose of improving availability. For fault-tolerant computer redundancy configuration, see figure 1 .
[0035] For the processor state transition diagram in a node, see figure 2 ,
[0036] 1. The three-node fault-tolerant platform works at the same time. Each node contains two controllers, A controller and B controller. Normally, the A controller is the master controller and participates in the master control, and the B controller is the backup controller. internal monitoring. The three nodes are respectively defined as node 1, node 2, and node 3, so the controller name of each node is ...
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