| 摘要 |
At the time of a backup process of the sharing disk in a disk shared file system, the write cache of each computer is reflected on a sharing disk, and data of the sharing disk is copied in a backup medium as a batch. Further, blocks to be backed up are listed to be copied in the backup medium as a batch. Then, the log of each computer is stored in a log medium, and the data at the start point of a backup process is formed using the log.
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