The storage control device of the present invention controls a plurality
of storage devices. The storage control device comprises an LRU
write-back unit writing back data stored in the cache memory of the
storage control device into the plurality of storage devices by the LRU
method, and a write-back schedule processing unit selecting a storage
device with a small number of write-backs executed by the LRU write-back
unit and writing back data into the selected storage device.