On Fri, Jul 16, 2021 at 8:29 PM Richa Gupta <gricha.1888@gmail.com> wrote:
>
> Hi Team,

Hello Richa,

> I installed Kolla-Ansible release 12.0.0, i.e. wallaby on multinode setup, and then downgraded Kolla-Ansible to release 11.0.0, i.e. Victoria, following the below-mentioned link:
>
> https://docs.openstack.org/kolla-ansible/latest/user/operating-kolla.html
>
> I downgraded Kolla-Ansible by running the command "pip install --upgrade kolla-ansible==6.0.0" and, changing "openstack_release: victoria" in globals.yml. But, "kolla-ansible upgrade" failed with the below error (Error also attached in the mail)  :

Well, you downgraded to version 6, instead of 11.
Try something like this instead:
pip install --upgrade "kolla-ansible<12.0"

Also, notice, while downgrading kolla ansible itself is usually just
fine, there is no downgrade procedure for a deployment.

-yoctozepto