| 摘要 |
A file system management device is connectable to a storage device. The storage device includes a first file system entity created according to a first file system in which a second file system entity created according to a second file system is allowed to be mapped. A mapping information storing area is defined on a predetermined area of the first file system entity, and the mapping information storing area is reserved for storing mapping information indicating a correspondence of the mapping. The file system management device includes an accessing unit configured to access the second file system entity based on the mapping information through a process according to the first file system to the first file system entity.
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