I've finished setting up the fstab on Chiara and the upgrade to Ubuntu 12 seems to have gone well enough. She's fast:

but I forgot to make sure to order a dual head graphics card for it. So we'll order some dual DVI gaming card that the company recommends. Until then, its only one monitor.

Still, its ready for testing control room tools on. If everything works OK for a couple weeks, we can go to 12 on all the other ones.