[Docs] Promote Backup and Restore

Backup and restore should be promoted into operations guide
directly, for a nicer ToC.

Change-Id: I23fe525542a0bcc7967a76f38b5e67702477e2c0

doc/source/admin/backup-restore.rst

@@ -1,6 +1,6 @@
-========
-Back ups
-========
+==============================
+Back up and restore your cloud
+==============================
 
 For disaster recovery purposes, it is a good practice to perform regular
 backups of the database, configuration files, network information, and
@@ -23,6 +23,7 @@ directory to your cloud environment.
 Database backups and recovery
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-MySQL data is automatically backed up. To recover the database, use the
-database backups and rebuild the Galera cluster. For more information, see
+MySQL data is available on the infrastructure nodes.
+You can recover databases, and rebuild the galera cluster.
+For more information, see
 :ref:`galera-cluster-maintenance`.

doc/source/admin/index.rst

@@ -23,6 +23,7 @@ more complex operations like upgrading.
    maintenance-tasks.rst
    scale-environment.rst
    monitoring-systems.rst
+   backup-restore.rst
    troubleshooting.rst
    advanced-config.rst
    ref-info.rst

doc/source/admin/maintenance-tasks.rst

@@ -5,12 +5,8 @@ Maintenance tasks
 This chapter is intended for OpenStack-Ansible specific
 maintenance tasks.
 
-.. toctree::
-   :maxdepth: 2
-
-   maintenance-tasks/galera.rst
-   maintenance-tasks/rabbitmq-maintain.rst
-   maintenance-tasks/backups.rst
-   maintenance-tasks/ansible-modules.rst
-   maintenance-tasks/containers.rst
-   maintenance-tasks/firewalls.rst
+.. include :: maintenance-tasks/galera.rst
+.. include :: maintenance-tasks/rabbitmq-maintain.rst
+.. include :: maintenance-tasks/ansible-modules.rst
+.. include :: maintenance-tasks/containers.rst
+.. include :: maintenance-tasks/firewalls.rst