Fatal error: The slave I/O thread stops because master and slave have equal MySQL server UUIDs;

Fatal error: The slave I/O thread stops because master and slave have equal MySQL server UUIDs; these UUIDs must be different for replication to work.

原因分析:

mysql 5.7的复制引入了uuid的概念,各个复制结构中的server_uuid得保证不一样,但是查看到直接copy  data文件夹后server_uuid是相同的,show variables like '%server_uuid%';




解决方法:

找到data文件夹下的auto.cnf文件,修改里面的uuid值,保证各个db的uuid不一样,重启db即可


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转载自blog.csdn.net/lvshanhshan/article/details/80529777