报错：
[root@localhost etc]# service mysql restart
Shutting down MySQL.. ERROR! The server quit without updating PID file (/data/mysql/localhost.localdomain.pid).
解决：
配置文件修改成对应路径指向，即可
正常启动成功
MySQL_重启服务报错：Shutting down MySQL.. ERROR! The server quit without updating PID file (/data/mysql/localhost.localdomain.pid).
原文：https://www.cnblogs.com/rychh/p/14965436.html
