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authorRavishankar N <ravishankar@redhat.com>2015-05-05 10:07:13 +0530
committerHumble Devassy Chirammal <humble.devassy@gmail.com>2015-05-06 06:11:36 -0700
commite104285386125fa364cb897a8df883999ee1c62d (patch)
tree67c691bc236551848263b9898db386edf56521d3 /doc/admin-guide/en-US
parentd17b72165e2280ead15f1c5fed061ce901f093cc (diff)
doc: AFR arbiter volume usage
Backport of http://review.gluster.org/#/c/10541/ Contains information on creation and behaviour of replica 3 arbiter volumes. Signed-off-by: Ravishankar N <ravishankar@redhat.com> Change-Id: I6af4aa3488649686fdb9b839c733046160e0785b BUG: 1217689 Reviewed-on: http://review.gluster.org/10542 Reviewed-by: Humble Devassy Chirammal <humble.devassy@gmail.com> Tested-by: Humble Devassy Chirammal <humble.devassy@gmail.com>
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@@ -266,6 +266,13 @@ high-availability and high-reliability are critical.
> Use the `force` option at the end of command if you want to create the volume in this case.
+###Arbiter configuration for replica volumes
+Arbiter volumes are replica 3 volumes where the 3rd brick acts as the arbiter brick. This configuration has mechanisms that prevent occurrence of split-brains.
+It can be created with the following command:
+`# gluster volume create <VOLNAME> replica 3 arbiter 1 host1:brick1 host2:brick2 host3:brick3`
+More information about this configuration can be found at `doc/features/afr-arbiter-volumes.md`
+Note that the arbiter configuration for replica 3 can be used to create distributed-replicate volumes as well.
+
##Creating Striped Volumes
Striped volumes stripes data across bricks in the volume. For best