| 摘要 |
Access to the physical disks is differentiated as access from a host computer, and access based on processing (data migration processing, copy processing) for storage management. Whether to switch the state of the physical disks from a normal power consumption mode to a power saving mode is determined according to the access from the host computer after the access based on processing for storage management is complete, and the state of the physical disks are switched from the normal power consumption mode to the power saving mode based on the determination result.
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