@Tristan: yes nova live-migration is by default an admin only operation. But forcing the port-down can be done by a user aswell. Then it's just waiting for an admin to do a live-migration of a instance. We live-migrate instances regularly to empty a compute node and patch the compute node.
@Tristan: yes nova live-migration is by default an admin only operation. But forcing the port-down can be done by a user aswell. Then it's just waiting for an admin to do a live-migration of a instance. We live-migrate instances regularly to empty a compute node and patch the compute node.