Starting control method, duplex platform system, and...

Details Starting control method, duplex platform system, and... Starting control method, duplex platform system, and...

2008-09-23

2008-09-23

Puente, Emerson C (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S010000, C714S011000, C713S002000

Reexamination Certificate

active

11304565

ABSTRACT:
There is disclosed a system equipped with information processors of control and standby systems interconnected to communicate with each other. The information processor of the control system executes a POST operation and a starting operation (S101to S103), and instructs execution of a POST operation to the information processor of the standby system after completion of the starting operation (S104). Meanwhile, the information processor of the standby system monitors an operation of the control system (S106), executes the POST operation upon reception of the instruction from the control system (S107), and requests synchronization with its own device to the information processor of the control system upon completion of the POST operation (S108). The information processor of the control system copies information regarding the starting operation executed by its own device upon reception of the synchronization request, thereby starting a synchronous operation with the device (S109to S110). Thus, the system that uses a dual platform technology is easily started.

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