What are the impacts if any of not running dns and just using /etc/hosts?
dns requirement
Archived thread 1659695 from Ubuntu Cloud and Juju. Markdown source: Ubuntu_Cloud_and_Juju/thread_1659695_dns_requirement.md
DNS in UEC is used to dynamically add/remove DNS entries for buckets created and instances spawned. Not sure how you could do that in /etc/hosts (being dynamic)