MySQL 启动时出现问题
MySQL issue at boot time
你能帮帮我吗？
我在服务 mysqld_multi 启动时遇到这个错误：
161118 13:18:57 mysqld_safe Starting mysqld daemon with databases from
/var/lib/mysql/monitor
161118 13:18:58 [Note] /usr/sbin/mysqld (mysqld 5.5.48-MariaDB)
starting as process 3076 ...
161118 13:18:58 InnoDB: Mutexes and rw_locks use GCC atomic builtins
161118 13:18:58 InnoDB: Compressed tables use zlib 1.2.3
161118 13:18:58 InnoDB: Using Linux native AIO
161118 13:18:58 InnoDB: Initializing buffer pool, size = 128.0M
161118 13:18:58 InnoDB: Completed initialization of buffer pool
161118 13:18:58 InnoDB: highest supported file format is Barracuda.
161118 13:18:58 InnoDB: Waiting for the background threads to start
161118 13:18:59 Percona XtraDB (http://www.percona.com)
5.5.47-MariaDB-37.7 started; log sequence number 7008339
161118 13:18:59 [Note] Plugin 'FEDERATED' is disabled.
161118 13:18:59 [Note] Plugin 'FEEDBACK' is disabled.
161118 13:18:59 [Note] Server socket created on IP: '0.0.0.0'.
161118 13:18:59 [ERROR] Can't start server: Bind on TCP/IP port. Got
error: 13: Permission denied
161118 13:18:59 [ERROR] Do you already have another mysqld server
running on port: 13306 ?
161118 13:18:59 [ERROR] Aborting
161118 13:18:59 InnoDB: Starting shutdown...
161118 13:19:00 InnoDB: Shutdown completed; log sequence number
7008339
161118 13:19:00 [Note] /usr/sbin/mysqld: Shutdown complete
161118 13:19:00 mysqld_safe mysqld from pid file
/var/lib/mysql/monitor/mysqld002.pid ended
Once the server is up if I do "service mysqld_multi start" as root
user I get this output and MYSQL begin to work:
161118 13:25:11 mysqld_safe Starting mysqld daemon with databases from
/var/lib/mysql/monitor
161118 13:25:11 [Note] /usr/sbin/mysqld (mysqld 5.5.48-MariaDB)
starting as process 3876 ...
161118 13:25:11 InnoDB: Mutexes and rw_locks use GCC atomic builtins
161118 13:25:11 InnoDB: Compressed tables use zlib 1.2.3
161118 13:25:11 InnoDB: Using Linux native AIO
161118 13:25:11 InnoDB: Initializing buffer pool, size = 128.0M
161118 13:25:11 InnoDB: Completed initialization of buffer pool
161118 13:25:11 InnoDB: highest supported file format is Barracuda.
161118 13:25:11 InnoDB: Waiting for the background threads to start
161118 13:25:12 Percona XtraDB (http://www.percona.com)
5.5.47-MariaDB-37.7 started; log sequence number 7008339
161118 13:25:12 [Note] Plugin 'FEDERATED' is disabled.
161118 13:25:12 [Note] Plugin 'FEEDBACK' is disabled.
161118 13:25:12 [Note] Server socket created on IP: '0.0.0.0'.
161118 13:25:12 [Note] Event Scheduler: Loaded 0 events
161118 13:25:12 [Note] /usr/sbin/mysqld: ready for connections.
Version: '5.5.48-MariaDB' socket:
'/var/lib/mysql/monitor/mysqld002.sock' port: 13306 MariaDB Server
为什么?????????
问题已解决。
问题是 SELinux 的状态。
将参数 SELINUX 更改为 "permissive" 而不是 "enforcing"（在文件 /etc/sysconfig/selinux 中）服务在启动时正常启动。
就这些了。
你能帮帮我吗？
我在服务 mysqld_multi 启动时遇到这个错误：
161118 13:18:57 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql/monitor
161118 13:18:58 [Note] /usr/sbin/mysqld (mysqld 5.5.48-MariaDB) starting as process 3076 ...
161118 13:18:58 InnoDB: Mutexes and rw_locks use GCC atomic builtins
161118 13:18:58 InnoDB: Compressed tables use zlib 1.2.3
161118 13:18:58 InnoDB: Using Linux native AIO
161118 13:18:58 InnoDB: Initializing buffer pool, size = 128.0M
161118 13:18:58 InnoDB: Completed initialization of buffer pool
161118 13:18:58 InnoDB: highest supported file format is Barracuda.
161118 13:18:58 InnoDB: Waiting for the background threads to start
161118 13:18:59 Percona XtraDB (http://www.percona.com) 5.5.47-MariaDB-37.7 started; log sequence number 7008339
161118 13:18:59 [Note] Plugin 'FEDERATED' is disabled.
161118 13:18:59 [Note] Plugin 'FEEDBACK' is disabled.
161118 13:18:59 [Note] Server socket created on IP: '0.0.0.0'.
161118 13:18:59 [ERROR] Can't start server: Bind on TCP/IP port. Got error: 13: Permission denied
161118 13:18:59 [ERROR] Do you already have another mysqld server running on port: 13306 ?
161118 13:18:59 [ERROR] Aborting
161118 13:18:59 InnoDB: Starting shutdown...
161118 13:19:00 InnoDB: Shutdown completed; log sequence number 7008339
161118 13:19:00 [Note] /usr/sbin/mysqld: Shutdown complete
161118 13:19:00 mysqld_safe mysqld from pid file /var/lib/mysql/monitor/mysqld002.pid ended
Once the server is up if I do "service mysqld_multi start" as root user I get this output and MYSQL begin to work:
161118 13:25:11 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql/monitor
161118 13:25:11 [Note] /usr/sbin/mysqld (mysqld 5.5.48-MariaDB) starting as process 3876 ...
161118 13:25:11 InnoDB: Mutexes and rw_locks use GCC atomic builtins
161118 13:25:11 InnoDB: Compressed tables use zlib 1.2.3
161118 13:25:11 InnoDB: Using Linux native AIO
161118 13:25:11 InnoDB: Initializing buffer pool, size = 128.0M
161118 13:25:11 InnoDB: Completed initialization of buffer pool
161118 13:25:11 InnoDB: highest supported file format is Barracuda.
161118 13:25:11 InnoDB: Waiting for the background threads to start
161118 13:25:12 Percona XtraDB (http://www.percona.com) 5.5.47-MariaDB-37.7 started; log sequence number 7008339
161118 13:25:12 [Note] Plugin 'FEDERATED' is disabled.
161118 13:25:12 [Note] Plugin 'FEEDBACK' is disabled.
161118 13:25:12 [Note] Server socket created on IP: '0.0.0.0'.
161118 13:25:12 [Note] Event Scheduler: Loaded 0 events
161118 13:25:12 [Note] /usr/sbin/mysqld: ready for connections.
Version: '5.5.48-MariaDB' socket: '/var/lib/mysql/monitor/mysqld002.sock' port: 13306 MariaDB Server
为什么?????????
问题已解决。
问题是 SELinux 的状态。 将参数 SELINUX 更改为 "permissive" 而不是 "enforcing"（在文件 /etc/sysconfig/selinux 中）服务在启动时正常启动。
就这些了。