MySQL 启动时禁用了 InnoDB 引擎的解决方法

今天在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：

*************************** . row ***************************
      Engine: MyISAM
     Support: DEFAULT
     Comment: MyISAM storage engine
Transactions: NO
          XA: NO
  Savepoints: NO
*************************** . row ***************************
      Engine: CSV
     Support: YES
     Comment: CSV storage engine
Transactions: NO
          XA: NO
  Savepoints: NO
*************************** . row ***************************
      Engine: MEMORY
     Support: YES
     Comment: Hash based, stored in memory, useful for temporary tables
Transactions: NO
          XA: NO
  Savepoints: NO
*************************** . row ***************************
      Engine: BLACKHOLE
     Support: YES
     Comment: /dev/null storage engine (anything you write to it disappears)
Transactions: NO
          XA: NO
  Savepoints: NO
*************************** . row ***************************
      Engine: MRG_MYISAM
     Support: YES
     Comment: Collection of identical MyISAM tables
Transactions: NO
          XA: NO
  Savepoints: NO
*************************** . row ***************************
      Engine: PERFORMANCE_SCHEMA
     Support: YES
     Comment: Performance Schema
Transactions: NO
          XA: NO
  Savepoints: NO
*************************** . row ***************************
      Engine: ARCHIVE
     Support: YES
     Comment: Archive storage engine
Transactions: NO
          XA: NO
  Savepoints: NO
*************************** . row ***************************
      Engine: FEDERATED
     Support: NO
     Comment: Federated MySQL storage engine
Transactions: NULL
          XA: NULL
  Savepoints: NULL
*************************** . 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

解决方法是，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。