If there is a failure, the database server can move from one machine to a backup system.

如果出现故障，数据库服务器可以从一台机器转移到一个备份系统。

youdao

Then if a system or media failure occurs, you can use the transaction log and a third-party backup utility to recover your database.

如果系统或媒体发生失败，您可以使用事务日志和第三方备份实用工具恢复数据库。

youdao

In the case of a failure for example on Saturday after the incremental backup is taken, you can just restore the first Sunday full backup and apply the incremental on Saturday.

在备份失败的情况下，例如，在执行了增量备份后的星期六，您只可以恢复第一个星期天的完全备份，并应用星期六的增量备份。

youdao

In case of failure, our backup during the storm was our secondary disaster recovery site.

FORBES: Good News After Bad

An emergency backup generator is only allowed to operate for 200 hours every year and only in the event of an emergency power failure or for routine testing and maintenance.

FORBES: Backup Generators Are the Bad and Ugly of Decentralized Energy