This Thursday (October 22nd, 13:00 UTC), Walter Heck (of Open Query) will present Dual Master Setups With MMM. MMM (Multi-Master Replication Manager for MySQL) is a set of flexible scripts to perform monitoring/failover and management of MySQL master-master replication configurations (with only one node writable at any time). Session slides (PDF).
The toolset also has the ability to read balance standard
master/slave configurations with any number of slaves, so you can
use it to move virtual IP addresses around a group of servers
depending on whether they are behind in replication. For
information, see mysql-mmm.org.
For MySQL University sessions you point your browser …[Read more]