| 摘要 |
PROBLEM TO BE SOLVED: To provide a storage controller capable of efficiently using a memory.SOLUTION: A storage unit 130 stores a piece of progress information representing a progress state of a copy from a copy source area 131a to a copy target area 131b. The storage unit includes: a partial progress information management section 11 that sets a piece of progress information, which is formed by dividing the progress information by a predetermined size unit, in a memory 121; and a copy processing section 14 that executes a copy processing to store the copy source data which is stored in the copy source area 131a to the copy target area 131b on the basis of the partial progress information.SELECTED DRAWING: Figure 1 |
