perform maintenance

基本解释

This is a problem not only when the database fails, but when you want to perform maintenance on the server.
不仅是在主库宕机的时候，当你需要对服务器进行维护的时候，这都成为了问题。
Perhaps your NIM server is also a good candidate, as it may be used infrequently, only to install AIX systems and perform maintenance?
NIM 服务器也是合适的 AMS 候选目标，因为它不经常使用，只用于安装 AIX 系统和执行维护。
On the other hand, in DB2 LUW, Quiesce will be in persistent lock-mode that can be applied on instance, database or table space to restrict normal users while you perform maintenance tasks.
另一方面，在 DB2 LUW 中，Quiesce 将处于持续锁定模式，可在执行维护任务时将其应用于实例、数据库或表空间来限制普通用户。

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