| 摘要 |
A system is provided in which a first storage device for managing a target to which a first physical port and a first logical volume are allocated, a second storage device for managing a second logical volume, and a computer for establishing a first communication path with the first physical port and conducting access to the target by using the communication path. The first storage device creates in the second storage devices a target holding an identifier identical to that of the aforementioned target and allocates the second logical volume and a second physical port to the target, and the computer establishes a second communication path with the second physical port and maintains the access to the target by using the second communication path.
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