opnfv_env = os.path.join(args.deploy_dir, args.env_file)
         oc_deploy.prep_env(deploy_settings, net_settings, inventory,
                            opnfv_env, net_env_target, APEX_TEMP_DIR)
+        if not args.virtual:
+            oc_deploy.LOOP_DEVICE_SIZE = "50G"
         patched_containers = oc_deploy.prep_image(
             deploy_settings, net_settings, sdn_image, APEX_TEMP_DIR,
             root_pw=root_pw, docker_tag=tag, patches=patches['overcloud'])
 
 ODL_NETVIRT_VPP_RPM = "/root/opendaylight-7.0.0-0.1.20170531snap665.el7" \
                       ".noarch.rpm"
 
+LOOP_DEVICE_SIZE = "10G"
+
 LOSETUP_SERVICE = """[Unit]
 Description=Setup loop devices
 Before=network.target
         virt_cmds.extend([
             {con.VIRT_UPLOAD: "{}:/usr/lib/systemd/system/".format(tmp_losetup)
              },
-            {con.VIRT_RUN_CMD: 'truncate /srv/data.img --size 10G'},
+            {con.VIRT_RUN_CMD: 'truncate /srv/data.img --size {}'
+                .format(LOOP_DEVICE_SIZE)},
             {con.VIRT_RUN_CMD: 'systemctl daemon-reload'},
             {con.VIRT_RUN_CMD: 'systemctl enable losetup.service'},
         ])