ERROR! MySQL manager or server PID file could not be found!
Starting MySQL..... ERROR! Manager of pid-file quit without updating file.
错误日志
110105 00:09:23 mysqld_safe mysqld from pid file /usr/local/mysql/var/201553.10y.in.pid ended
110105 00:10:07 mysqld_safe Starting mysqld daemon with databases from /usr/local/mysql/var
110105 0:10:18 [ERROR] Can't start server: Bind on TCP/IP port: Address already in use
110105 0:10:18 [ERROR] Do you already have another mysqld server running on port: 3306 ?
110105 0:10:18 [ERROR] Aborting
110105 0:10:18 [ERROR] Can't start server: Bind on TCP/IP port: Address already in use
110105 0:10:18 [ERROR] Do you already have another mysqld server running on port: 3306 ?
很明显,已经有mysql在用这个端口了,kill 另外一个mysql,再运行