XenServer 5 has just been released, and now we can talk about experiencing zero downtime with live migration. With XenMotion, virtual machines can be moved from server to server without service interruption for zero-downtime server maintenance or to seamlessly balance available compute power within a pool of physical servers.

Here's a cool demo of this new XenServer 5 Feature:

Get your weekends back by managing and maintaining your physical hardware during business hours...

For more on XenServer 5 check out XenServer5.com

You can also download a copy of XenServer 5 right here.