这篇文章主要介绍如何解决MySQL启动时InnoDB引擎被禁用的问题，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！
发现问题
今天在工作中，从本地数据库复制表数据到虚拟机 CentOS 6.6 上的数据库时，得到提示：
Unknown table engine 'InnoDB'于是在服务器 MySQL 中查看了引擎：
mysql> show engines\G得到：
*************************** 1. row ***************************
Engine: MyISAM
Support: DEFAULT
Comment: MyISAM storage engine
Transactions: NO
XA: NO
Savepoints: NO
*************************** 2. row ***************************
Engine: CSV
Support: YES
Comment: CSV storage engine
Transactions: NO
XA: NO
Savepoints: NO
*************************** 3. row ***************************
Engine: MEMORY
Support: YES
Comment: Hash based, stored in memory, useful for temporary tables
Transactions: NO
XA: NO
Savepoints: NO
*************************** 4. row ***************************
Engine: BLACKHOLE
Support: YES
Comment: /dev/null storage engine (anything you write to it disappears)
Transactions: NO
XA: NO
Savepoints: NO
*************************** 5. row ***************************
Engine: MRG_MYISAM
Support: YES
Comment: Collection of identical MyISAM tables
Transactions: NO
XA: NO
Savepoints: NO
*************************** 6. row ***************************
Engine: PERFORMANCE_SCHEMA
Support: YES
Comment: Performance Schema
Transactions: NO
XA: NO
Savepoints: NO
*************************** 7. row ***************************
Engine: ARCHIVE
Support: YES
Comment: Archive storage engine
Transactions: NO
XA: NO
Savepoints: NO
*************************** 8. row ***************************
Engine: FEDERATED
Support: NO
Comment: Federated MySQL storage engine
Transactions: NULL
XA: NULL
Savepoints: NULL
*************************** 9. row ***************************
Engine: InnoDB
Support: NO
Comment: Supports transactions, row-level locking, and foreign keys
Transactions: NULL
XA: NULL
Savepoints: NULL
rows in set (0.00 sec)在 InnoDB 的 Supports 为 NO
解决方法
编辑 my.cnf
[root@localhost mysql]# vim /etc/my.cnf把其中 innodb = OFF 改为 innodb = ON
同时把 skip-innodb 注释掉即可。
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