MySql主从复制绑定重置

mysql主从赋值,从机验证报错:ERROR 3021(HY000):this operation cannot be performed with a running salve io thread

原因:

mysql从机上已经进行过绑定了,如果继续绑定需要先进行重置

解决办法

1、停止已经启动的绑定:stop slave

2、重置绑定:reset master

3、执行复制主机命令:change master to master_host='192.168.190.128',master_port=3306,master_user='root',master_password='123456',master_log_file='mysql-bin.000001',master_log_pos=869;

      此时已经不报错:

4、启动复制:start slave

 


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