| 摘要 |
A storage section controlling apparatus includes a queuing section adapted to retain a processing order of write requests and readout requests from a data processing apparatus to plural storage sections to, and a processing order controlling section adapted to change, where a readout request for a target region of a duplexing process of a second storage section of the plural storage sections by a duplexing controlling section is issued from the data processing apparatus and a write request for a target region of at least one first storage section of the plural storage sections of a copying source corresponding to the target region of the readout request exists later than a processing turn of the readout request in a processing order in the queuing section, the processing turn of the readout request in the processing order so as to be later than the writing request in the processing order.
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