MySQL is running but PID file could not be found(解決方法)

啓動MySQL時報錯：

[root@xzw /]# service mysqld status

MySQL is running but PID file could not be found    [失敗]

 

解決辦法：

找到並kill掉全部關於mysql的進程

ps -ef  | grep mysql

kill 進程號

再次驗證，解決！