Per the docs: https://docs.openstack.org/kolla-ansible/train/admin/production-architecture-guide.html#address-family-configuration-ipv4-ipv6
IPv6 is not fully supported on CentOS 7, this includes MariaDB HA clustering.
Per the docs: https:/ /docs.openstack .org/kolla- ansible/ train/admin/ production- architecture- guide.html# address- family- configuration- ipv4-ipv6
IPv6 is not fully supported on CentOS 7, this includes MariaDB HA clustering.