On 06/13/2014 02:22 PM, Day, Phil wrote: > I guess the question I’m really asking here is: “Since we know resize down won’t work in all cases, > and the failure if it does occur will be hard for the user to detect, > should we just block it at the API layer and be consistent across all Hypervisors ?” +1 There is an existing libvirt blueprint: https://blueprints.launchpad.net/nova/+spec/libvirt-resize-disk-down which I've never been in favor of: https://bugs.launchpad.net/nova/+bug/1270238/comments/1 thanks, Pádraig.