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1·No checkpoint record was found in the cluster log.

群集日志没有发现检查点记录。

2·If another log checkpoint record is encountered while it is in drain mode, it goes back to buffering mode.

如果服务器处于排出模式下时遇到另一条日志检查点记录，那么它会回到缓冲模式。

3·The secondary may encounter another checkpoint log record while it is in drain or buffering mode, and you may see pending checkpoint increased.

次要服务器处于排出模式或缓冲模式下时，可能会遇到另一条检查点日志记录，您会看到挂起的检查点在增加。