Ansible 2.7 has some usability issues with RHEL 8. As far as I know, the RH Ansible Engine 2.7 product will not be available for RHEL 8 at all. This means that we will need to support Ansible 2.8 in ceph-ansible if we want to support RHEL 8. Currently ceph-ansible fails on this version: - name: fail on unsupported ansible version fail: msg: "Ansible version must be 2.7!" when: - ansible_version.major|int != 2 - ansible_version.minor|int != 7