| 摘要 |
<p>PROBLEM TO BE SOLVED: To suppress performance deterioration of a doubling removal storage system.SOLUTION: A storage system of the invention comprises: a doubling determination part for determining whether storage object data is in a doubling state in which it has been already stored in a storage device or not; a storage destination determination part for determining a storage destination of non-doubling data which is storage object data which is not doubling; and a data storage control part for storing the non-doubling data in the storage device which is the determined storage destination. The storage destination determination part determines a storage destination of the doubling data to be determined that it is related with the non-doubling data by a preset reference, and based on the determination result, determines the storage destination of the non-doubling data.</p> |
