| 摘要 |
PROBLEM TO BE SOLVED: To surely execute access request to data to be processed even when the data to be processed of a data processor are not stored in a storage device. SOLUTION: A storage device 20 is provided with a reading part 24 for reading data to be processed of a data processor 40 from a library device 10 to a storage 20a, a first timer 26 for detecting that a reading processing time by a reading part 24 has passed only by a preliminarily set first predetermined time when the reading part 24 reads the data to be processed and a first reply part 28 for transmitting a signal showing that it is normally operating to the data processor 40 when processing by the reading part 24 is continued after the detection of the first predetermined time by the first timer 26. The data processor 40 is provided with a corresponding part 42 for reissuing an access request to the data to be processed at the time of receiving the signal showing that it is normally operating from the first reply part 28. COPYRIGHT: (C)2006,JPO&NCIPI
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