find file: './mysql/host.frm' (errno: 13)
130413 13:45:13 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ende
d
130413 13:48:32 mysqld_safe Starting mysqld daemon with databases from /var/lib/
mysql
130413 13:48:32 [Note] Plugin 'FEDERATED' is disabled.
/usr/libexec/mysqld: Can't find file: './mysql/plugin.frm' (errno: 13)
130413 13:48:32 [ERROR] Can't open the mysql.plugin table. Please run mysql_upgr
ade to create it.
130413 13:48:32 InnoDB: The InnoDB memory heap is disabled
130413 13:48:32 InnoDB: Mutexes and rw_locks use GCC atomic builtins
130413 13:48:32 InnoDB: Compressed tables use zlib 1.2.7
130413 13:48:32 InnoDB: Using Linux native AIO
130413 13:48:32 InnoDB: Initializing buffer pool, size = 128.0M
130413 13:48:32 InnoDB: Completed initialization of buffer pool
130413 13:48:32 InnoDB: highest supported file format is Barracuda.
130413 13:48:32 InnoDB: Waiting for the background threads to start
130413 13:48:33 InnoDB: 5.5.30 started; log sequence number 1595675
130413 13:48:33 [Note] Server hostname (bind-address): '0.0.0.0'; port: 3306
130413 13:48:33 [Note] - '0.0.0.0' resolves to '0.0.0.0';
130413 13:48:33 [Note] Server socket created on IP: '0.0.0.0'.
130413 13:48:33 [ERROR] /usr/libexec/mysqld: Can't find file: './mysql/host.frm'
(errno: 13)
130413 13:48:33 [ERROR] Fatal error: Can't open and lock privilege tables: Can't
find file: './mysql/host.frm' (errno: 13)
130413 13:48:33 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ende
d
这个说明是权限问题，之后 执行
# cd /var/lib/mysql
# chown mysql.mysql -R *
# service mysqld start
这个时候，mysql 就启动成功了 。。