| 摘要 |
The purpose of the present invention is to provide a storage device, storage system, etc., which, when migrating data between storage devices, can reduce the impact upon a system, etc., which uses the data which is stored on the storage device. Provided is a storage device, comprising: a storage unit comprising storage regions which store data; a management table storage unit which retains a management table which retains identification information relating to the storage regions, access state information relating to the accessibility of the storage regions, and migration information which indicates a state relating to the migration of the data which is included in the storage regions; and a control unit which, on the basis of an instruction from a management device which manages the migration of the data which is stored in the storage regions, changes the access state information according to the state of the data migration. |
