【原】Host 'servername' is blocked because of many connection errors;unblock..

Host 'servername' is blocked because of many connection errors;unblock with 'mysql admin flush-host'

出错原因：mysql中默认的connect_errors 是10，由于网络中断，造成这个数值高于10，当访问的时候就被锁住了；

解决办法：mysql -h IP -u root -p;

                  flush hosts;