報錯記錄：
[root@localhost ~]# cat /data/3307/data/localhost.localdomain.err 150509 21:21:27 mysqld_safe Starting mysqld daemon with databases from /data/3307/data 150509 21:21:27 InnoDB: The InnoDB memory heap is disabled 150509 21:21:27 InnoDB: Mutexes and rw_locks use GCC atomic builtins 150509 21:21:27 InnoDB: Compressed tables use zlib 1.2.3 150509 21:21:27 InnoDB: Initializing buffer pool, size = 128.0M 150509 21:21:27 InnoDB: Completed initialization of buffer pool 150509 21:21:27 InnoDB: Operating system error number 13 in a file operation. InnoDB: The error means mysqld does not have the access rights to InnoDB: the directory. InnoDB: File name ./ibdata1 InnoDB: File operation call: 'open'. InnoDB: Cannot continue operation. 150509 21:21:27 mysqld_safe mysqld from pid file /data/3307/data/localhost.localdomain.pid ended [root@localhost ~]#
解決方法：