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----
-prelude: |
-    The 9.0.0 (Pike) release includes many new features and bug fixes.
-
-    Please review the upgrade section which describes the required actions to
-    upgrade your installation from 7.0.x (Ocata) to 9.0.0 (Pike).
-
-    A few major changes are worth mentioning. This is not an exhaustive list:
-
-    - It is now possible to do rolling upgrades, starting with upgrading Ocata
-      to Pike. For details, see
-      https://docs.openstack.org/ironic/latest/admin/upgrade-guide.html.
-
-    - The long-awaited support to boot from volumes is here. For details, see
-      https://docs.openstack.org/ironic/latest/admin/boot-from-volume.html.
-
-    - Full support for "dynamic" drivers is available. There are hardware types
-      for all "classic" drivers. The use of hardware types is preferred over
-      the use of "classic" drivers, since "classic" drivers may be deprecated
-      in Queens.
-
-    - ``redfish`` is a new hardware type that supports the Redfish standard.
-
-    - The Compute service is changing the way bare metal nodes are scheduled,
-      and will be using the node's ``resource_class`` to do this. For more
-      details, see
-      https://docs.openstack.org/ironic/latest/install/configure-nova-flavors.html#scheduling-based-on-resource-classes.
-
-    - The Bare Metal service can now incorporate physical network information
-      when attaching virtual interfaces (VIFs) via the new ``physical_network``
-      field to the port object. For details, see
-      https://docs.openstack.org/ironic/latest/admin/multitenancy.html#multitenancy-physnets.
-
-    - The ssh-based drivers have been removed from ironic. Please see the
-      "Upgrade Notes" section for more information.