mysql启动不了了

linux 下我的MYSQL启动不了。
错误提示：
Timeout error occurred trying to start MySQL Daemon.
Starting MySQL:                                            [FAILED]
日志中是这样记录的：
091219 11:03:27  mysqld started
091219 11:03:27 [Warning] option 'max_join_size': unsigned value 18446744073709551615 adjusted to 4294967295
091219 11:03:27 [Warning] option 'max_join_size': unsigned value 18446744073709551615 adjusted to 4294967295
091219 11:03:27  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.
091219 11:03:27  mysqld ended
请高手们帮忙！

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引用

./ibdata1

检查一下目录的权限。

权限是：
-rw-r--r-- 1 root  root  60817408 Dec 18 16:09 ibdata1
和这个有关系不？

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谢谢斑主：
chmod 777 ib*后就可以了