| 摘要 |
A virtual tape device in between a host and a library device is provided. The virtual tape device includes a physical tape volume and that stores data sent from the host on a logical tape volume includes, a receiver that receives a mount/unmount command and a job identifier relating to the command which are sent from the host, a storage device that stores the logical tape volume, a storage table that stores the job identifier and a logical tape volume to be accessed by a job indicated by the job identifier, and a controller that controls, based on the storage table, transfer of data relating to the job identifier between the logical tape volume and the physical tape volume.
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