| 摘要 |
A backup processor for backing up data stored on a first storage medium to a second storage medium includes an obtaining unit that obtains, from the first storage medium, backup reference data for referring to directory data included in the data to be backed up; a memory that stores the backup reference data; a recording position determining unit that refers to the directory data on the first storage medium on the basis of the backup reference data stored in the memory, determines recording positions on the second storage medium for recording the directory data and a file belonging to a directory indicated by the directory data, and stores the recording positions in the memory; and a write unit that obtains the directory data from the first storage medium, refers to the memory, writes the directory data at the recording position of the directory data on the second storage medium, reads file data from the first storage medium, and writes the file data at the recording position of the file on the second recording medium.
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