| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a data backup device which does not require work area for fully-restored data generation and roll forward process at restoring. Ž<P>SOLUTION: A data backup device 1 is connected to a host computer 2. The data backup device 1 includes a backup data acquiring means 11, which receives backup data from the host computer; a backup information acquiring means 12 which receives from the host computer the backup information which is the information regarding addition, deletion, and modification of the backup data, a data storage part 51 which stores the backup data as a file data, and a data management information storage part 52 which stores the backup information. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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