ERROR 1129 (HY000)

[root@mycat ~]# mysql -u root -p -h 10.0.0.201
Enter password: 
ERROR 1129 (HY000): Host '10.0.0.210' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'

分析：

同意ip在短时间内产生太多（超过mysql数据库max_connection_errors的最大值）终端的数据库连接而导致的阻塞；

解决：

https://jingyan.baidu.com/album/9f7e7ec087dcbe6f2815542d.html