+.. _ceph-volume-simple:
+
+``simple``
+==========
+Implements the functionality needed to manage OSDs from the ``simple`` subcommand:
+``ceph-volume simple``
+
+**Command Line Subcommands**
+
+* :ref:`ceph-volume-simple-scan`
+
+* :ref:`ceph-volume-simple-activate`
+
+* :ref:`ceph-volume-simple-systemd`
+
+
+By *taking over* management, it disables all ``ceph-disk`` systemd units used
+to trigger devices at startup, relying on basic (customizable) JSON
+configuration and systemd for starting up OSDs.