List, I want to install Openstack Xena version on a DELL ( R650 2 CPU and 40 cores . 2.4 TB) server machine. Operating System preference is Debian 10. I want to deploy this for production use with Ceph OSDs. There are four methods described in the URL : Confused which to select. https://docs.openstack.org/xena/deploy/ 1. Using Charms deployment 2. Deploy openstack using Ansible in Docker containers 3. Openstack - Ansible Deployment guide. 4. Triple O deployment guide Which method do I have to follow a full fledged production deployment ? why ? Going ahead with Ansible and Docker is a best option or not ? Your kind guidance requested.. Thanks in advance, Krish ps:- Once Completed this installation I have to extend this as a High available(HA) Multi Node cloud. (multi node production cloud with 3 Controllers, 6 compute Nodes and 3 Storage nodes with Ceph OSD pools) . Request to consider this future scalability requirement while answering my query.