Background
-----------
+==========
When you deploy a :term:`Ceph Object Store` service that spans geographical
locales, configuring Ceph Object Gateway regions and metadata synchronization
each zone if your requirements and resources warrant this level of redundancy.
About this Guide
-----------------
+================
In the following sections, we will demonstrate how to configure a federated
cluster in two logical steps:
#. `Start Gateway Instances`_.
-#. `Replicate Data`_ by specifying the master zone of the master region as the
- source zone and the master zone of the secondary region as the secondary
- zone. When activating the ``radosgw-agent``, specify ``--metadata-only`` so
- that it only copies metadata.
+Replicate Metadata
+------------------
+
+`Replicate Data`_ by specifying the master zone of the master region as the
+source zone and the master zone of the secondary region as the secondary
+zone. When activating the ``radosgw-agent``, specify ``--metadata-only`` so
+that it only copies metadata. For example::
+
+ radosgw-agent -c inter-region-data-sync.conf --metadata-only
Once you have completed the foregoing procedure, you should have a cluster
consisting of a master region (``us``) and a secondary region (``eu``) where