From: James McClune Date: Mon, 20 Aug 2018 22:03:27 +0000 (-0400) Subject: doc: updated multisite docs X-Git-Tag: v14.0.1~300^2 X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=aa0c43517377a16051839f2fe1411c273ede98b3;p=ceph.git doc: updated multisite docs Fixed a minor typo in Requirements and Assumptions section. Added an important note about running a single Ceph storage cluster for multiple geographic locations. Fixes: http://tracker.ceph.com/issues/26997 Signed-off-by: James McClune --- diff --git a/doc/radosgw/multisite.rst b/doc/radosgw/multisite.rst index 5123905f69dc..e7bb3efcc166 100644 --- a/doc/radosgw/multisite.rst +++ b/doc/radosgw/multisite.rst @@ -63,11 +63,14 @@ A multi-site configuration requires at least two Ceph storage clusters, preferably given a distinct cluster name. At least two Ceph object gateway instances, one for each Ceph storage cluster. -This guide assumes at least two Ceph storage clusters in geographically +This guide assumes at least two Ceph storage clusters are in geographically separate locations; however, the configuration can work on the same site. This guide also assumes two Ceph object gateway servers named ``rgw1`` and ``rgw2``. +.. important:: Running a single Ceph storage cluster is NOT recommended unless you have + low latency WAN connections. + A multi-site configuration requires a master zone group and a master zone. Additionally, each zone group requires a master zone. Zone groups may have one or more secondary or non-master zones.