| 摘要 |
A storage control apparatus includes a memory configured to store access management information concerning access from a host to each of a plurality of logical volumes, and a controller configured to refer to the access management information read from the memory, when receiving an entirety of updated data from the host, to set a write mode for data transfer from each of the plurality of logical volumes to the corresponding physical volume on the basis of the access management information to one of a difference data write mode in which difference data indicating a difference between an entirety of data stored in a storage apparatus and the entirety of updated data is written into a storage apparatus and an entire data write mode in which the entirety of updated data is written into the storage apparatus.
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