mysql master-slave assignment, the slave authentication error: ERROR 3021 (HY000): this operation can not be performed with a running salve io thread

the reason:

mysql from the machine has been bound, if it continues to bind need to be reset.

Solution

1, has been launched to stop bindings

stop slave

2, reset bindings

reset master

3. Copy the host command execution

change master to master_host = '192.168.12.1' master_user = 'slave' ,master_password ='123456' ,master_log_file = 'mysql-bin.000004',master_log_pos = '881'

4, have been found at this time is not being given
5, start copying

start slave