我厂的宗旨是质量第一，用户致上，欢迎广大用户选用我厂产品。
The motto of the factory is:"Quality comes first and customers are the supreme. " The products are available for you to make a choice.
要点：在群集中的所有节点上，这些用户和组的定义必须完全一致。
Important: These users and groups must be defined exactly the same on all nodes in the cluster.
另外，如果在新机器上数据库的当前用户名和密码不一致，那么也要更新。
In addition, if the current username and password for the database is different on the new machine, that must be updated as well.
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