It isn't without its pros and cons (just like any other HA solution), but you might want
to check out DRBD.
Bryan Irvine wrote:
> What's the recommended method for high-availability setups?
> I've currently got a master-master replication setup that I'm testing
> but it doesn't quite seem as complete a solution as I had pictured.
> When a failed server comes back online you still have to manually add
> it based off of the line numbers/binlog correct? And adding a new DB
> requires reloading the MySQL server?
> I've been looking around at other technologies as well like linux-ha.
> What are other people using for systems that have to be up 100% of the
> time but aren't complete nightmares to manage?