diff --git a/doc/source/configuration/monitoring.rst b/doc/source/configuration/monitoring.rst
index 34f1d2c8b..8215dc48b 100644
--- a/doc/source/configuration/monitoring.rst
+++ b/doc/source/configuration/monitoring.rst
@@ -74,7 +74,7 @@ on the overcloud hosts:
 .. code-block:: console
 
     (kayobe) [stack@node ~]$ cd etc/kayobe
-    (kayobe) [stack@node kayobe]$ kayobe playbook run ansible/smartmontools.yml
+    (kayobe) [stack@node kayobe]$ kayobe playbook run ansible/smartmon-tools.yml
 
 SMART reporting should now be enabled along with a Prometheus alert for
 unhealthy disks and a Grafana dashboard called ``Hardware Overview``.
diff --git a/etc/kayobe/environments/aufn-ceph/tenks.yml b/etc/kayobe/environments/aufn-ceph/tenks.yml
index 25eac0374..36d482b2c 100644
--- a/etc/kayobe/environments/aufn-ceph/tenks.yml
+++ b/etc/kayobe/environments/aufn-ceph/tenks.yml
@@ -21,9 +21,9 @@ node_types:
     volumes:
       # There is a minimum disk space capacity requirement of 4GiB when using Ironic Python Agent:
       # https://github.com/openstack/ironic-python-agent/blob/master/ironic_python_agent/utils.py#L290
-      - capacity: 10GiB
+      - capacity: 15GiB
       # Ceph volume
-      - capacity: 10GiB
+      - capacity: 20GiB
     physical_networks:
       - provision-net
       - cloud-net
@@ -34,7 +34,7 @@ node_types:
     volumes:
       # There is a minimum disk space capacity requirement of 4GiB when using Ironic Python Agent:
       # https://github.com/openstack/ironic-python-agent/blob/master/ironic_python_agent/utils.py#L290
-      - capacity: 10GiB
+      - capacity: 15GiB
     physical_networks:
       - provision-net
       - cloud-net