Fast, Reliable, Proven transactional storage for MySQL
Getting started with InnoDB
See our Short introduction to InnoDB.
Documentation
Documentation for the built-in InnoDB in MySQL 5.1 and the InnoDB Plugin for MySQL 5.1 is integrated with the MySQL documentation. The next branch of the InnoDB Plugin 1.0.x which is for MySQL 5.5 is called just InnoDB 1.1.x. See the relevant chapters in the online manual for the version you are using: 4.1 and earlier, 5.0, 5.1, or 5.5.
Embedded 
The manual for Embedded InnoDB is available in these formats:
Hot Backup
Please see the online manual for InnoDB Hot Backup.
