Found the previous discussion at
http://lists.openstack.org/pipermail/openstack-operators/2016-August/011321.html
from 2016.
Tim
-Original Message-
From: Tim Bell
Date: Saturday, 15 September 2018 at 14:38
To: "OpenStack Development Mailing List (not for usage questions)"
, "openstac
One extra user motivation that came up during past forums was to have a
different quota for shelved instances (or remove them from the project quota
all together). Currently, I believe that a shelved instance still counts
towards the instances/cores quota thus the reduction of usage by the user