| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a system in which without impairing the convenience of a user, management of ultra-large capacity data can be performed.SOLUTION: When a total capacity of data stored in a first storage device exceeds a prescribed value, data whose number of elapsed days from the last access is largest is moved from the first storage device to a second storage device so that it becomes smaller than the prescribed capacity. Further, among data stored in the second data, as to data of which the number of accesses is larger than the number of accesses of data stored in the first storage device, it is moved from the second storage device to the first storage device.</p> |
