backup system

基本解释

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。
For planned outages, switching to the backup system can be as easy as one command or one action in the GUI.
关于计划中断方面，转换到备份系统只需要在 GUI 上执行一个命令或操作即可，非常简单。
One major advantage of this system is that any changes made to the deployment manager's master repository while using the backup system are committed.
此系统的一个主要优点是，在使用备份系统时，对部署管理器的主存储库所做的任何更改都会被提交。

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