If you buy VMWare vCenter you get live migration too, once you've used it you'll never want to go back ... Live migration is possible with KVM, too - in combination with DRBD for shared storage, another open-source solution. One of my partner companies (they're in fact the guys that convinced me
Am 18.02.2012 21:04, schrieb Daniel Lindgren: that the time to switch to KVM has come) is using this at quite a few of their client sites and also showcased it at their last open house.
Since we're drifting away from the topic of this mailing list, feel free to contact me off-list if you're interested in more, I'm more than happy to get you in contact with them (happy, satisfied customer yadda yadda yadda).
-Stefan