| 摘要 |
A network storage includes at least one host device, a plurality of disk array devices, an address map that is stored in one of the plurality of disk array devices and indicates a correspondence relation between a logical address to view the plurality of disk array devices as one storage device and a physical address of each of the plurality of disk array devices, a management master that is included in the host device or one of the plurality of disk array devices, an address map storing location information that is stored in the management master and indicates the disk array device that stores the address map and an address on which the address map is stored in the disk array device, and a command management unit that is included in the management master and transmits the address map storing location information to the host device.
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