Hi, There are some upstream docs to achieve that[1]. So, depending on the OpenStack flavor you are using the steps might differ but the overall approach is pretty much described in that link. [1]: https://specs.openstack.org/openstack/tripleo-specs/specs/queens/fast-forward-upgrades.html Cheers, Carlos. On Wed, May 20, 2020 at 9:43 AM Fabian Zimmermann <dev.faz at gmail.com> wrote: > > Hi, > > Does anybody did already some multi release upgrades f.e. queens->train and is able to share his knowhow? > > Thanks, > > Fabian