它可以将应用程序从需要计划停机以便进行维护的系统中移动到别处。

It moves applications away from systems that require scheduled downtime for maintenance.

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如果某一个db2子系统停机，或者出于维护的目的暂时离线，那么数据共享组中的其他DB 2子系统就会接管目前离线的数据共享成员的工作负载。

If one DB2 subsystem goes down, or brought off-line for maintenance, other DB2 subsystems in the data sharing group take on the workload of the data sharing member that is now offline.

youdao

虽然它有多种用途，但在执行计划停机时使用它是最合适的，它允许在不中断服务的情况下进行系统的维护。

While it has several purposes, it is best used when performing scheduling outages, which allows for system maintenance to occur with no downtime.

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