doc/cephadm: Rename section titles and fix introductions

Signed-off-by: Sebastian Wagner <sebastian.wagner@suse.com>

doc/cephadm/administration.rst

@@ -1,24 +1,9 @@
-.. _cephadm:
+.. _cephadm-administration:
 
-====================
-cephadm orchestrator
-====================
+======================
+cephadm Administration
+======================
 
-The cephadm orchestrator is an orchestrator module that does not rely
-on a separate system such as Rook or Ansible, but rather manages nodes
-in a cluster by establishing an SSH connection and issuing explicit
-management commands.
-
-Orchestrator modules only provide services to other modules, which in turn
-provide user interfaces.  To try out the cephadm module, you might like
-to use the :ref:`Orchestrator CLI <orchestrator-cli-module>` module.
-
-Requirements
-============
-
-- Python 3
-- Podman or Docker
-- LVM2
 
 Configuration
 =============

doc/cephadm/index.rst

@@ -1,4 +1,4 @@
-.. _bootstrap:
+.. _cephadm-bootstrap:
 
 ========================
  Installation (cephadm)
@@ -6,6 +6,11 @@
 
 .. note:: The *cephadm* bootstrap feature is first introduced in Octopus, and is not yet recommended for production deployments.
 
+cephadm is an orchestrator that does not rely
+on a separate system such as Rook or Ansible, but rather manages nodes
+in a cluster by establishing an SSH connection and issuing explicit
+management commands.
+
 A new Ceph cluster is deployed by bootstrapping a cluster on a single
 node, and then adding additional nodes and daemons via the CLI or GUI
 dashboard.
@@ -21,6 +26,12 @@ should be issued on which systems.
 of this installation guide means that the associated command
 can be run on any node.
 
+Requirements
+============
+
+- Podman or Docker
+- LVM2
+
 .. highlight:: console
 
 Get cephadm

doc/releases/octopus.rst

@@ -13,7 +13,7 @@ Major Changes from Nautilus
   * A new deployment tool called **cephadm** has been introduced that
     integrates Ceph daemon deployment and management via containers
     into the orchestration layer.  For more information see
-    :ref:`cephadm` and :ref:`bootstrap`.
+    :ref:`cephadm-bootstrap`.
   * Health alerts can now be muted, either temporarily or permanently.
   * A simple 'alerts' capability has been introduced to send email
     health alerts for clusters deployed without the benefit of an