Проблема с движком InnoDB при включении и [skip-innodb] - [ERROR] Функция инициализации плагина InnoDB вернула ошибку

На рабочем сервере на данный момент мы работаем только с таблицами MyIsam, поэтому мы отключили движок innodb с помощью опции skip-innodb. Но теперь нам нужно включить движок innodb для создания нескольких таблиц innodb. Итак, мы прокомментировали параметр [# skip-innodb] в my.cnf и перезапустили. Пожалуйста, просмотрите приведенные ниже случаи и попросите предоставить какое-либо решение или подсказку для того же?

Случай 1: Отключить innodb с опцией skip-innodb и данными "mysql> show engine", как показано ниже.

mysql> show engines;
+------------+---------+----------------------------------------------------------------+--------------+------+------------+
| Engine     | Support | Comment                                                        | Transactions | XA   | Savepoints |
+------------+---------+----------------------------------------------------------------+--------------+------+------------+
| InnoDB     | NO      | Supports transactions, row-level locking, and foreign keys     | NULL         | NULL | NULL       |
| MRG_MYISAM | YES     | Collection of identical MyISAM tables                          | NO           | NO   | NO         |
| BLACKHOLE  | YES     | /dev/null storage engine (anything you write to it disappears) | NO           | NO   | NO         |
| CSV        | YES     | CSV storage engine                                             | NO           | NO   | NO         |
| MEMORY     | YES     | Hash based, stored in memory, useful for temporary tables      | NO           | NO   | NO         |
| FEDERATED  | NO      | Federated MySQL storage engine                                 | NULL         | NULL | NULL       |
| ARCHIVE    | YES     | Archive storage engine                                         | NO           | NO   | NO         |
| MyISAM     | DEFAULT | Default engine as of MySQL 3.23 with great performance         | NO           | NO   | NO         |
+------------+---------+----------------------------------------------------------------+--------------+------+------------+
8 rows in set (0.01 sec)

      Engine     | Support ...
    | InnoDB     | NO   ......

Случай 2: Поскольку я хочу включить innodb, я дал команду # skip-innodb и перезапустил. Но теперь движки шоу даже не показывают движок InnoDB в списке. ?

mysql> show engines;
+------------+---------+----------------------------------------------------------------+--------------+------+------------+
| Engine     | Support | Comment                                                        | Transactions | XA   | Savepoints |
+------------+---------+----------------------------------------------------------------+--------------+------+------------+
| MyISAM     | DEFAULT | Default engine as of MySQL 3.23 with great performance         | NO           | NO   | NO         |
| MRG_MYISAM | YES     | Collection of identical MyISAM tables                          | NO           | NO   | NO         |
| BLACKHOLE  | YES     | /dev/null storage engine (anything you write to it disappears) | NO           | NO   | NO         |
| CSV        | YES     | CSV storage engine                                             | NO           | NO   | NO         |
| MEMORY     | YES     | Hash based, stored in memory, useful for temporary tables      | NO           | NO   | NO         |
| FEDERATED  | NO      | Federated MySQL storage engine                                 | NULL         | NULL | NULL       |
| ARCHIVE    | YES     | Archive storage engine                                         | NO           | NO   | NO         |
+------------+---------+----------------------------------------------------------------+--------------+------+------------+
7 rows in set (0.00 sec)

Версия Mysql: 5.1.57-community-log ОС: CentOS, выпуск 5.7 (окончательный)

Журнал:

120622 13:06:36  InnoDB: Initializing buffer pool, size = 8.0M
120622 13:06:36  InnoDB: Completed initialization of buffer pool
InnoDB: No valid checkpoint found.
InnoDB: If this error appears when you are creating an InnoDB database,
InnoDB: the problem may be that during an earlier attempt you managed
InnoDB: to create the InnoDB data files, but log file creation failed.
InnoDB: If that is the case, please refer to
InnoDB: http://dev.mysql.com/doc/refman/5.1/en/error-creating-innodb.html
120622 13:06:36 [ERROR] Plugin 'InnoDB' init function returned error.
120622 13:06:36 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
120622 13:06:36 [Note] Event Scheduler: Loaded 0 events
120622 13:06:36 [Note] /usr/sbin/mysqld: ready for connections.
Version: '5.1.57-community-log'  socket: '/data/mysqlsnd/mysql.sock1'  port: 3307  MySQL Community Server (GPL)