PROCESSING DEVICE, PROCESSING METHOD, PROCESSING PROGRAM AND MANAGEMENT DEVICE

摘要

PROBLEM TO BE SOLVED: To improve data reliability.SOLUTION: The processing device includes a sign detection unit 112 for detecting a sign of a fault of a storage device 20 that prohibits write access to a storage area 22 and permits read access to the storage area 22 during a fault, and a first copy unit 113 for storing a copy of data to be written to the storage device 20 in a first copy data storing unit 12 when the sign of a fault is detected.