| 摘要 |
PROBLEM TO BE SOLVED: To solve such problems in a using method of a processor, a switching method of a main system and a subordinate system at the time of a fault generation, a method for data transmission and reception and a means for the division of a processing, in an information processor constituted of a secondary storage device, plural processors and a processing controller and provided with the redundant constitution of the main system and the subordinate system relating to each of the devices. SOLUTION: A function for performing processing control including the processor of the subordinate system is added to the processing controller. Also, a data controller for controlling the secondary storage device is installed and the data transmission and reception of the processors and the secondary storage device are controlled by the data controller. Further, a processing distribution device is provided, input from a user is decomposed and the processing is distributed to the processing controller of each of the systems.
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