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+Feature
+-------
+
+This feature provides a way of preventing split-brains in replica 3 gluster volumes both in time and space.
+
+Summary
+-------
+
+Please see <http://review.gluster.org/#/c/9656/> for the design discussions
+
+Owners
+------
+
+Pranith Kumar Karampuri  
+Ravishankar N
+
+Current status
+--------------
+
+Feature complete.
+
+Code patches: <http://review.gluster.org/#/c/10257/> and
+<http://review.gluster.org/#/c/10258/>
+
+Detailed Description
+--------------------
+Arbiter volumes are replica 3 volumes where the 3rd brick of the replica is
+automatically configured as an arbiter node. What this means is that the 3rd
+brick will store only the file name and metadata, but does not contain any data.
+This configuration is helpful in avoiding split-brains while providing the same
+level of consistency as a normal replica 3 volume.
+
+Benefit to GlusterFS
+--------------------
+
+It prevents split-brains in replica 3 volumes and consumes lesser space than a normal replica 3 volume.
+
+Scope
+-----
+
+### Nature of proposed change
+
+### Implications on manageability
+
+None
+
+### Implications on presentation layer
+
+None
+
+### Implications on persistence layer
+
+None
+
+### Implications on 'GlusterFS' backend
+
+None
+
+### Modification to GlusterFS metadata
+
+None
+
+### Implications on 'glusterd'
+
+None
+
+How To Test
+-----------
+
+If we bring down bricks and perform writes in such a way that arbiter
+brick is the only source online, writes/reads will be made to fail with
+ENOTCONN. See 'tests/basic/afr/arbiter.t' in the glusterfs tree for
+examples.
+
+User Experience
+---------------
+
+Similar to a normal replica 3 volume. The only change is the syntax in
+volume creation. See
+<https://github.com/gluster/glusterfs-specs/blob/master/Features/afr-arbiter-volumes.md>
+
+Dependencies
+------------
+
+None
+
+Documentation
+-------------
+
+---
+
+Status
+------
+
+Feature completed. See 'Current status' section for the patches.
+
+Comments and Discussion
+-----------------------
+Some optimizations are under way.
+---