[Bugs] [Bug 1199985] [RFE] arbiter for 3 way replication

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1199985



--- Comment #7 from Anand Avati <aavati at redhat.com> ---
COMMIT: http://review.gluster.org/9840 committed in master by Vijay Bellur
(vbellur at redhat.com) 
------
commit 32ed7aa5ad7049a9d85c795f997336c0366151a8
Author: Ravishankar N <ravishankar at redhat.com>
Date:   Thu Mar 19 12:33:51 2015 +0000

    afr: arbiter xlator

    This patch adds the arbiter translator into the tree. This is a server
    side xlator used for replica 3 volumes. It sits above posix and will be
    loaded on the 3rd (last) brick of every afr subvolume in a replica 3
    configuration. It intercepts inode read/write operations: reads are
    unwound with ENOTCONN, inode writes are unwound with success without
    actually passing them down to posix. Metadata operations are allowed to
    pass through.

    The CLI for creating a 3 way replica with arbiter is also added but kept
    disabled (A 'normal' 3 way replica is created instead).

    This patch is a part of the arbiter logic implementation for 3 way AFR,
    details of which can be found at http://review.gluster.org/#/c/9656/

    Change-Id: I395b81f49d5da52c466daf5c8518f1bbad9c16fa
    BUG: 1199985
    Signed-off-by: Ravishankar N <ravishankar at redhat.com>
    Reviewed-on: http://review.gluster.org/9840
    Tested-by: Gluster Build System <jenkins at build.gluster.com>
    Reviewed-by: Pranith Kumar Karampuri <pkarampu at redhat.com>
    Reviewed-by: Vijay Bellur <vbellur at redhat.com>

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