Update manila and Ceph matrix support doc
Include Wallaby (master) support matrix and
some extra considerations to consider on manila
with cephfs backends.
@@ -69,9 +69,12 @@ Ceph testing matrix
As Ceph and Manila continue to grow, it is essential to test and support
combinations of releases supported by both projects. However, there is
-little community bandwidth to cover all of them. Below is the current state of
-testing for Ceph releases with this project. Adjacent components such as
-`devstack-plugin-ceph <https://opendev.org/openstack/devstack-plugin-ceph>`_
+little community bandwidth to cover all of them. For simplicity sake,
+we are focused on testing (and therefore supporting) the current Ceph
+active releases. Check out the list of Ceph active releases `here <https://docs.ceph.com/en/latest/releases/general/>`_.
+
+Below is the current state of testing for Ceph releases with this project.
+Adjacent components such as `devstack-plugin-ceph <https://opendev.org/openstack/devstack-plugin-ceph>`_
and `tripleo <https://opendev.org/openstack/tripleo-heat-templates>`_ are
added to the table below. Contributors to those projects can determine what
versions of ceph are tested and supported with manila by those components;
@@ -97,9 +100,17 @@ however, their state is presented here for ease of access.
+-------------------+----------+----------------------+-----------+
| Ussuri | Nautilus | Luminous, Nautilus | Nautilus |
+-------------------+----------+----------------------+-----------+
-| Victoria | Nautilus | Nautilus | Nautilus |
+| Victoria | Nautilus | Nautilus, Octopus | Nautilus |
++-------------------+----------+----------------------+-----------+
+| Wallaby | Octopus | Nautilus, Octopus | Nautilus |
+-------------------+----------+----------------------+-----------+
+Additionally, it is expected that the version of the Ceph client
+available to manila is aligned with the Ceph server version. Mixing
+server and client versions is strongly unadvised.
+
+In case of using the NFS Ganesha driver, it's also a good practice to use
+the versions that align with the Ceph version of choice.
Common Prerequisites
--------------------
