{% comment %} Copyright (C) The Arvados Authors. All rights reserved. SPDX-License-Identifier: CC-BY-SA-3.0 {% endcomment %} Note that each volume has a UUID, like @zzzzz-nyw5e-0123456789abcde@. You assign these manually: replace @zzzzz@ with your cluster ID, and replace @0123456789abcde@ with an arbitrary string of 15 alphanumerics. Once assigned, UUIDs should not be changed.