Mail is backing up at the post office.

邮件积滞在那个邮局里。

Backing up and restoring TDB files.

备份并恢复TDB文件。

Backing up and restoring server images.

备份与恢复服务器映像。

Backing up servers that participate in daos.

对参与DAOS的服务器进行备份。

Another concern Tonido raises is backing up data.

Tonido带来的另一个担忧是数据备份。