| 摘要 |
Provided is a storage system providing a data storage area to an external apparatus. The storage system includes at least a first information processing apparatus including a first logical storage area forming the data storage area and a first data processing part performing processing of reducing the storage capacity used by a backup target data in the first logical storage area, and a second information processing apparatus communicatively coupled to the first information processing apparatus and including a second logical storage area forming the data storage area, and a second data processing part performing processing of reducing the storage capacity used by the backup target data in the second logical storage area. The first information processing apparatus further includes an evaluation index allocation processing part determining which one of the first and second data processing parts to use to process the backup target data according to an evaluation index prescribed as a data format of the backup target data, and a backup processing part, when performing backup processing of the backup target data, refers to the association relationship between the data format of the backup target data and any of the first and second data processing parts determined by the evaluation index allocation processing part, and causes the first or second data processing part is associated with the data format of the backup target data, to process the backup target data.
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