| 摘要 |
PROBLEM TO BE SOLVED: To provide a duplex storage device and a duplex storage method capable of minimizing overhead due to the duplex of data occupying a response time to an update request from a client. SOLUTION: The data of an information storage part 11 are updated based on an update request issued from any of clients 3-1-3-n to a processor 10, and the updated contents of the information storage part 11 are transmitted to a processor 20, and any of the clients 3-1-3-n who issues the update request is informed of the end of the processing in response to the update request without receiving the response of the end of the update of the data of an information storage part 21 from the processor 20.
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