The Boston MySQL User Group was lucky enough to get Keith Murphy to speak at the June User Group meeting, about backups.
Links referred to in the presentation:
MyLVMBackup by Lenz Grimmer
InnoDB Hot Backup:
Prices are at:
and at the time of this writing are:
1-Year License € 390 USD$ 605 per server
Perpetual License € 990 USD$ 1540 per server
prices are at: http://network.zmanda.com/shop/home.php?cat=1,3
Current prices are between the range of $100-$450, and a license is needed for each server and each client. So if you have 1 server and 3 clients, you need 4 licenses.
This is interesting reading about online backup, an article about how the online backup works at: http://blogs.mysql.com/peterg/2008/05/19/mysql-60-feature-2-online-backup/
This page (at the bottom, under "Replication") states that the desired behavior is that the binary log does not log the restore or the backup. However, it does state that this is not implemented yet, nor even decided upon.
There's also a great page on Online Backup at the MySQL Forge: http://forge.mysql.com/wiki/OnlineBackup
It was mentioned that some people use a code repository to backup their database: http://krow.livejournal.com/593424.html