From: Zac Dover Date: Mon, 27 Feb 2023 09:00:04 +0000 (+1000) Subject: doc/rgw: caption a diagram X-Git-Tag: v18.1.0~275^2 X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=ce2bd7cb2603c479c17ac18b9277b903a02bb06a;p=ceph.git doc/rgw: caption a diagram Add an explanation of a diagram that shows how object data is replicated between zones within a zonegroup. Co-authored-by: Anthony D'Atri Signed-off-by: Zac Dover --- diff --git a/doc/radosgw/multisite.rst b/doc/radosgw/multisite.rst index d98609e311a16..2da53264a5833 100644 --- a/doc/radosgw/multisite.rst +++ b/doc/radosgw/multisite.rst @@ -64,6 +64,19 @@ something like this: .. image:: ../images/zone-sync2.png :align: center +At the top of this diagram, we see two applications (also known as "clients"). +The application on the right is both writing and reading data from the Ceph +Cluster, by means of the RADOS Gateway (RGW). + +In the middle of this diagram, we see two zones, each of which contains an +instance of a RADOS Gateway (RGW). These instances of RGW are handling the +movement of data from the applications to the zonegroup. The arrow from the +master zone (US-EAST) to the secondary zone (US-WEST) represents an act of data +synchronization. + +At the bottom of this diagram, we see the master zonegroup that contains the +master zone and the secondary zone. + For additional details on setting up a cluster, see `Ceph Object Gateway for Production `__.