--- /dev/null
+scan
+====
+This sub-command will allow to discover Ceph volumes previously setup by the
+tool by looking into the system's logical volumes and their tags.
+
+As part of the the :ref:`ceph-volume-lvm-prepare` process, the logical volumes are assigned
+a few tags with important pieces of information.
+
+.. note:: This sub-command is not yet implemented