Hitachi, Ltd.

Yohei Tsujimoto

Masakazu Kobayashi

Yuichiro Nagashima

Atsushi Tsuda

Tetsuya Uehara

A management apparatus, which is configured to manage at least one storage system, includes a processor and a memory. Each of the at least one storage apparatus includes a plurality of volumes, each of which stores at least one OS. The processor is configured to: determine, for each of the plurality of volumes, an OS type and version of a representative OS of the each of the plurality of volumes; select, from among the plurality of volumes, a plurality of volumes having representative OSes that share the same OS type and major version; and include the selected plurality of volumes in one deduplication group made up of volumes among which deduplication is to be executed.

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Tokyo, Japan

Yohei Tsujimoto