vmsbackup is a BASH script written to allow for minimal downtime and very redundant backups of VMWare Server virtual machines.

The history of the project can be found here:

http://www.twobaldgeeks.com/blog/index.php/2007/08/06/vmware-how-do-i-love-thee-let-me-count-the-ways/

and there is a Google Group here:

http://groups.google.com/group/vmsbackup