数据库|mysql教程
mysql,
数据库-mysql教程
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报错:
1)
change master导致的:
Last_IO_Error: error connecting to master ‘repl1@IP:3306’ – retry-time: 60 retries
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2)
在没有解锁的情况下停止slave进程:
mysql> stop slave;
ERROR 1192 (HY000): Can’t execute the given command because you have active locked tables or an active transaction
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3)
change master语法错误,落下逗号
mysql> change master to
-> master_host=’IP’
-> master_user=’USER’,
-> master_password=’PASSWD’,
-> master_log_file=’mysql-bin.000002′,
-> master_log_pos=106;
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘master_user=’USER’,
master_password=’PASSWD’,
master_log_file=’mysql-bin.000002′ at line 3
4)
在没有停止slave进程的情况下change master
mysql> change master to master_host=‘IP’, master_user=’USER’, master_password=’PASSWD’, master_log_file=’mysql-bin.000001′,master_log_pos=106;
ERROR 1198 (HY000): This operation cannot be performed with a running slave; run STOP SLAVE first
5)
A B的server-id相同:
Last_IO_Error: Fatal error: The slave I/O thread stops because master and slave have equal MySQL server ids;
these ids must be different for replication to work (or the –replicate-same-server-id option must be used on
slave but this does not always make sense; please check the manual before using it).
查看server-id
mysql> show variables like ‘server_id’;
手动修改server-id
mysql> set global server_id=2; #此处的数值和f里设置的一样就行
mysql> slave start;
6)change master之后,查看slave的状态,发现slave_IO_running 为NO
需要注意的是,做完上述操作之后最后重启mysql进程
摘自:ANLJF的专栏
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