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| author | John Wilkins <john.wilkins@inktank.com> | 2013-10-03 12:32:49 -0700 |
|---|---|---|
| committer | John Wilkins <john.wilkins@inktank.com> | 2013-10-03 12:32:49 -0700 |
| commit | 0ce10460ad8ac7abc0a613ddd3a8866368e16980 (patch) | |
| tree | 462ccfa0bdfc68fca0db77781119f0b1430e32c1 | |
| parent | 29009b2ba718537769d24f195e98654e7050591f (diff) | |
| download | ceph-0ce10460ad8ac7abc0a613ddd3a8866368e16980.tar.gz | |
doc: Added clarifying comments.
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
| -rw-r--r-- | doc/radosgw/federated-config.rst | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/doc/radosgw/federated-config.rst b/doc/radosgw/federated-config.rst index be5aa1b4864..9a71cb351f3 100644 --- a/doc/radosgw/federated-config.rst +++ b/doc/radosgw/federated-config.rst @@ -51,7 +51,7 @@ abbreviations: Zones are logical containers for the gateway instances. The physical location of the gateway instances is up to you, but disaster recovery is an important -consideration. A disaster can be as simple as a power failure or a network +consideration. A disaster can be as simple as a power failure or a network failure. Yet, it can also involve a natural disaster or a significant political or economic event. In such cases, it is prudent to maintain a secondary zone outside of the geographic (not logical) region. @@ -90,6 +90,10 @@ defaults are the master region and master zone for a cluster. When you configure your cluster for regions and zones, you will be replacing (and likely deleting, if it exists) the default region and zone. +In the exemplary cluster, the New York region and New York zone (``ny-ny``) +are the master region and zone respectively. All other instances retrieve +their metadata from the master region and zone. + Create Regions -------------- @@ -114,7 +118,7 @@ Create Regions "http:\/\/{fqdn}:80\/"], "log_meta": "false", "log_data": "false"}, - { "name": "ny-ldn", + { "name": "ny-ldn", "endpoints": [ "http:\/\/{fqdn}:80\/"], "log_meta": "false", @@ -129,8 +133,9 @@ Create Regions sudo radosgw-admin region set --infile region.json Repeat the foregoing process to create region ``ldn``, but set - ``is_master`` to ``false`` and update the ``master_zone`` and - ``zones`` values. + ``is_master`` to ``false``. Update the ``master_zone`` so that it is + set to ``ldn-ldn``. Ensure that you have entries for ``ldn-ldn`` and + ``ldn-ny`` in the ``zones`` values. #. Delete the default region. :: |