17.2.7 Upgrading and Downgrading MySQL Cluster

17.2.7.1 Upgrade and downgrade compatibility: MySQL Cluster NDB 7.x
17.2.7.2 Upgrade and Downgrade Compatibility: MySQL Cluster NDB 6.x
17.2.7.3 Upgrade and downgrade compatibility: MySQL 5.1

This section provides information about MySQL Cluster software and table file compatibility between MySQL 5.1.23 and earlier, MySQL Cluster NDB 6.x, and MySQL Cluster NDB 7.x releases with regard to performing upgrades and downgrades as well as compatibility matrices and notes. You are expected already to be familiar with installing and configuring a MySQL Cluster prior to attempting an upgrade or downgrade. See Section 17.3, “Configuration of MySQL Cluster NDB 6.1-7.1”.

For information regarding the rolling restart procedure used to perform an online upgrade, see Section 17.5.5, “Performing a Rolling Restart of a MySQL Cluster”.

Important

Only compatibility between MySQL versions with regard to NDBCLUSTER is taken into account in this section, and there are likely other issues to be considered. As with any other MySQL software upgrade or downgrade, you are strongly encouraged to review the relevant portions of the MySQL Manual for the MySQL versions from which and to which you intend to migrate, before attempting an upgrade or downgrade of the MySQL Cluster software. See Section 2.13.1, “Upgrading MySQL”.

For information about upgrades and downgrades to, from, and between different releases of MySQL Cluster NDB 7.0 and MySQL Cluster NDB 7.1, see Section 17.2.7.1, “Upgrade and downgrade compatibility: MySQL Cluster NDB 7.x”.

For information about upgrades and downgrades to, from, and between different releases of MySQL Cluster NDB 6.1, MySQL Cluster NDB 6.2, and MySQL Cluster NDB 6.3, see Section 17.2.7.2, “Upgrade and Downgrade Compatibility: MySQL Cluster NDB 6.x”.

For information about upgrades and downgrades to, from, and between different releases of MySQL Cluster NDB 7.2, see Upgrading and Downgrading MySQL Cluster NDB 7.2.

For information about upgrades and downgrades to, from, and between different editions of MySQL Cluster as found in standard MySQL 5.1.23 and earlier releases, see Section 17.2.7.3, “Upgrade and downgrade compatibility: MySQL 5.1”.

Important

Only compatibility between MySQL versions with regard to NDBCLUSTER is taken into account in this section, and there are likely other issues to be considered. As with any other MySQL software upgrade or downgrade, you are strongly encouraged to review the relevant portions of the MySQL Manual for the MySQL versions from which and to which you intend to migrate, before attempting an upgrade or downgrade of the MySQL Cluster software. See Section 2.13.1, “Upgrading MySQL”.