mysql 3021 (HY000) 主从复制错误解决办法_error 3021 (hy000): this operation cannot be perfo

作者：繁依Fanyi0 | 2024-02-28 17:12:40

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error 3021 (hy000): this operation cannot be performed with a running slave

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

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。

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='192.168.2.26',
master_user='slave',
master_password='123456',
master_log_file='mysql-bin.000001',
master_log_pos=655;

4、发现此时已经不报错
5、启动复制

start slave

6、查看状态

show slave status \G

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