mysql数据库启动失败

1、原因
公司服务器故障，非正常停机导致数据库启动失败。
报错信息
[[email protected] dmp]# /etc/init.d/mysqld start
Starting MySQL. ERROR! The server quit without updating PID file (/opt/mysql/data/15-144.pid).

2、查看mysql 日志
180625 16:08:17 mysqld_safe Starting mysqld daemon with databases from /opt/mysql/data
2018-06-25 16:08:18 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2018-06-25 16:08:18 0 [Note] /opt/mysql/bin/mysqld (mysqld 5.6.33) starting as process 22431 ...
2018-06-25 16:08:18 22431 [Note] Plugin ‘FEDERATED‘ is disabled.
2018-06-25 16:08:18 22431 [Note] InnoDB: Using atomics to ref count buffer pool pages
2018-06-25 16:08:18 22431 [Note] InnoDB: The InnoDB memory heap is disabled
2018-06-25 16:08:18 22431 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2018-06-25 16:08:18 22431 [Note] InnoDB: Memory barrier is not used
2018-06-25 16:08:18 22431 [Note] InnoDB: Compressed tables use zlib 1.2.3
2018-06-25 16:08:18 22431 [Note] InnoDB: Using Linux native AIO
2018-06-25 16:08:18 22431 [Note] InnoDB: Using CPU crc32 instructions
2018-06-25 16:08:18 22431 [Note] InnoDB: Initializing buffer pool, size = 128.0M
2018-06-25 16:08:18 22431 [Note] InnoDB: Completed initialization of buffer pool
2018-06-25 16:08:18 22431 [Note] InnoDB: Highest supported file format is Barracuda.
2018-06-25 16:08:18 22431 [Note] InnoDB: Log scan progressed past the checkpoint lsn 281721748253
2018-06-25 16:08:18 22431 [Note] InnoDB: Database was not shutdown normally!
2018-06-25 16:08:18 22431 [Note] InnoDB: Starting crash recovery.
2018-06-25 16:08:18 22431 [Note] InnoDB: Reading tablespace information from the .ibd files...
2018-06-25 16:08:18 22431 [ERROR] InnoDB: Attempted to open a previously opened tablespace. Previous tablespace zabbix/items_applications uses space ID: 994 at filepath: ./zabbix/items_applications.ibd. Cannot open tablespace dmp/app_model_reuse which uses space ID: 994 at filepath: ./dmp/app_model_reuse.ibd
2018-06-25 16:08:18 7fc2adb7f740 InnoDB: Operating system error number 2 in a file operation.
InnoDB: The error means the system cannot find the path specified.
InnoDB: If you are installing InnoDB, remember that you must create
InnoDB: directories yourself, InnoDB does not create them.
InnoDB: Error: could not open single-table tablespace file ./dmp/app_model_reuse.ibd
InnoDB: We do not continue the crash recovery, because the table may become
InnoDB: corrupt if we cannot apply the log records in the InnoDB log to it.
InnoDB: To fix the problem and start mysqld:
InnoDB: 1) If there is a permission problem in the file and mysqld cannot
InnoDB: open the file, you should modify the permissions.
InnoDB: 2) If the table is not needed, or you can restore it from a backup,
InnoDB: then you can remove the .ibd file, and InnoDB will do a normal
InnoDB: crash recovery and ignore that table.
InnoDB: 3) If the file system or the disk is broken, and you cannot remove
InnoDB: the .ibd file, you can set innodb_force_recovery > 0 in my.cnf
InnoDB: and force InnoDB to continue crash recovery here.
180625 16:08:18 mysqld_safe mysqld from pid file /opt/mysql/data/15-144.pid ended

3、解决方案
添加配置/etc/my.cnf
innodb_force_recovery =1
文件解决

原文地址：http://blog.51cto.com/13833333/2132541

时间： 2024-10-11 20:35:54

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