mysql 问题解决

[root@centos1 mysql]#

/etc/init.d/mysqld start            

Starting MySQL.. ERROR! The server quit without updating PID file (/var/lib/mysql/centos1.pid).

[root@centos tools]# cp /etc/my.cnf /etc/my.cnf.backup

[root@centos tools]# /etc/init.d/mysqld start

Starting MySQL. ERROR! The server quit without updating PID file (/var/lib/mysql/centos.pid).

[root@centos tools]# rm -rf /etc/my.cnf

[root@centos tools]# /etc/init.d/mysqld start

Starting MySQL... SUCCESS!