Hi Folks, I am trying to install undercloud on CentOS 7 VirtualBox VM. Two Nics are assigned to VM, first NIC is used for Provisioning N/w(192.168.56.0/24) and second is used for internet (NAT - 10.0.3.15) When i try to install undercloud using below command, getting the following error, Any idea and suggestion to resolve the error. [stack@undercloud ~]$ openstack undercloud install TASK [Restart Keepalived container] ******************************************************************************************* fatal: [undercloud]: FAILED! => {"changed": true, "cmd": "podman restart keepalived", "delta": "0:00:00.090226", "end": "2019-06-20 03:50:58.583423", "msg": "non-zero return code", "rc": 125, "start": "2019-06-20 03:50:58.493197", "stderr": "Error: error creating libpod runtime: kernel does not support overlay fs: overlay: the backing xfs filesystem is formatted without d_type support, which leads to incorrect behavior. Reformat the filesystem with ftype=1 to enable d_type support. Running without d_type is not supported.: driver not supported", "stderr_lines": ["Error: error creating libpod runtime: kernel does not support overlay fs: overlay: the backing xfs filesystem is formatted without d_type support, which leads to incorrect behavior. Reformat the filesystem with ftype=1 to enable d_type support. Running without d_type is not supported.: driver not supported"], "stdout": "", "stdout_lines": []} ...ignoring [stack@undercloud ~]$ df -Th Filesystem Type Size Used Avail Use% Mounted on /dev/mapper/centos-root xfs 31G 2.3G 29G 8% / devtmpfs devtmpfs 3.9G 0 3.9G 0% /dev tmpfs tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs tmpfs 3.9G 8.7M 3.9G 1% /run tmpfs tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/sda1 xfs 497M 141M 356M 29% /boot tmpfs tmpfs 782M 0 782M 0% /run/user/0 tmpfs tmpfs 500M 36M 465M 8% /var/log/heat-launcher [stack@undercloud ~]$ free -h total used free shared buff/cache available Mem: 7.6G 232M 5.7G 44M 1.7G 7.0G Swap: 3.5G 0B 3.5G [stack@undercloud ~]$ [stack@undercloud ~]$ cat ~/undercloud.conf # Config generated by undercloud wizard # Use these values in undercloud.conf [DEFAULT] undercloud_hostname = undercloud.localdomain local_interface = enp0s3 local_mtu = 1500 local_ip = 192.168.56.2/24 undercloud_public_host = 192.168.56.3 undercloud_admin_host = 192.168.56.4 undercloud_service_certificate = generate_service_certificate = True scheduler_max_attempts = 10 # Deprecated names for compatibility with older releases discovery_iprange = 192.168.56.16,192.168.56.20 undercloud_public_vip = 192.168.56.3 undercloud_admin_vip = 192.168.56.4 network_cidr = 192.168.56.0/24 dhcp_start = 192.168.56.6 dhcp_end = 192.168.56.15 inspection_iprange = 192.168.56.16,192.168.56.20 network_gateway = 192.168.56.1 #masquerade_network = 192.168.56.0/24 # End of deprecated names [ctlplane-subnet] cidr = 192.168.56.0/24 gateway = 192.168.56.1 dhcp_start = 192.168.56.6 dhcp_end = 192.168.56.15 inspection_iprange = 192.168.56.16,192.168.56.20 #masquerade = true [stack@undercloud ~]$ -- Best Regards Pradeep Kumar