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).