Filename to use for backup pieces, including substitution variables.

备份片使用的文件名，可以包含代替变量。

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Practice a restore so you know how long it takes and where to find all relevant pieces such as backup images and logs.

尝试执行一次恢复，了解所需的时间以及从哪里找到所有相关的部分，比如备份映像和日志。

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These two pieces (the backup image and the logs representing all work since the backup) are the fundamental building blocks of a DB2 disaster recovery plan.

这两个部分(备份映像和反映备份之后的所有更改的日志)是DB 2灾难恢复计划的基础构建块。

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