https://github.com/openstack/kolla-ansible/blob/428acfe97fdfbc89fd4dea577160... You'd have to completely redefine the default volumes list. The other option is to do your mount into the /var/lib/docker/volumes/prometheus_v2/data directory ________________________________ From: Satish Patel <satish.txt@gmail.com> Sent: 15 September 2023 03:25 To: OpenStack Discuss <openstack-discuss@lists.openstack.org> Subject: [kolla-ansible]change prometheus data volume path CAUTION: This email originates from outside THG ________________________________ Folks, I have deployed prometheus with koll-ansible and now I want to change the path of prometheus volume to store matrices on bigger partitions. How do I change the volume path of prometheus to store matrix data on separate filesystem? This is what I did in globals.yml but it doesn't work. Is the following variable correct? prometheus_server_default_volumes: "/mnt/prometheus"