我升级RC2后，重启服务器后，进入到后台升级到RC3后，网站全部出现问题，发现MYSQL和FTP怎么也重启不起来，搞了好久还是搞不定，数据库没有做任何升级，希望能解决下。
[root@cloud wdlinux]# service mysqld start
Starting MySQL.Manager of pid-file quit without updating fi[FAILED]
[root@cloud wdlinux]# service mysqld restart
MySQL manager or server PID file could not be found! [FAILED]
Starting MySQL.Manager of pid-file quit without updating fi[FAILED]
[root@cloud wdlinux]# service pureftpd restart
Stopping pure-ftpd: [ OK ]
Starting pure-ftpd:
