Simone, I was able to deploy the environment with your suggetion above, the issue was my FQDN host1.example.com vs host1.example.other.com however right at the end the playbooks launched a acouple of errors/warnings and that prevented the other 2 hosts to be joined into the cluster. Note that the hosted-engine is up and running and reachable thru the WEB UI. TASK [Add additional gluster hosts to engine] ********************************************** task path: /etc/ansible/roles/gluster.ansible/playbooks/hc-ansible-deployment/tasks/add_hosts_storage_domains.yml:17 fatal: [localhost]: FAILED! => { "msg": "The task includes an option with an undefined variable. The error was: 'ovirt_auth' is undefined\n\nThe error appears to be in '/etc/ansible/roles/gluster.ansible/playbooks/hc-ansible-deployment/tasks/add_hosts_storage_domains.yml': line 17, column 5, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to be:\n\n\n - name: Add additional gluster hosts to engine\n ^ here\n" } ...ignoring TASK [Add additional glusterfs storage domains] *********************** task path: /etc/ansible/roles/gluster.ansible/playbooks/hc-ansible-deployment/tasks/add_hosts_storage_domains.yml:34 fatal: [localhost]: FAILED! => { "msg": "The task includes an option with an undefined variable. The error was: 'he_host_name' is undefined\n\nThe error appears to be in '/etc/ansible/roles/gluster.ansible/playbooks/hc-ansible-deployment/tasks/add_hosts_storage_domains.yml': line 34, column 5, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to be:\n\n\n - name: \"Add additional glusterfs storage domains\"\n ^ here\n" } ...ignoring META: ran handlers META: ran handlers PLAY RECAP ***************** localhost : ok=4 changed=1 unreachable=0 failed=0 skipped=0 rescued=0 ignored=2 host1.example.other.com : ok=408 changed=144 unreachable=0 failed=0 skipped=210 rescued=0 ignored=1 host2.example.other.com : ok=34 changed=17 unreachable=0 failed=0 skipped=70 rescued=0 ignored=0 host3.example.other.com : ok=34 changed=17 unreachable=0 failed=0 skipped=70 rescued=0 ignored=0 Thanks, Adrian