[Bugs] [Bug 1232173] Incomplete self-heal and split-brain on directories found when self-healing files/dirs on a replaced disk

bugzilla at redhat.com bugzilla at redhat.com
Sat Jun 27 11:27:16 UTC 2015


--- Comment #5 from Anand Avati <aavati at redhat.com> ---
COMMIT: http://review.gluster.org/11253 committed in release-3.7 by Pranith
Kumar Karampuri (pkarampu at redhat.com) 
commit e28ac41c5ffc7b87f09b5bf2fe7f43cd4d4a5af5
Author: Anuradha <atalur at redhat.com>
Date:   Fri Jun 5 16:46:39 2015 +0530

    glusterd/ afr : set afr pending xattrs on replace brick

             Backport of: http://review.gluster.org/10076/

    This patch is part one change to prevent data loss
    in a replicate volume on doing a replace-brick commit
    force operation.

    Problem: After doing replace-brick commit force, there is a
    chance that self heal happens from the replaced (sink) brick
    rather than the source brick leading to data loss.

    Solution: During the commit phase of replace brick, after old
    brick is brought down, create a temporary mount and perform
    setfattr operation (on virtual xattr) indicating AFR to mark
    the replaced brick as sink.

    As a part of this change replace-brick command is being changed
    to use mgmt_v3 framework rather than op-state-machine framework.

    Many thanks to Krishnan Parthasarathi for helping me out on this.

    Change-Id: If0d51b5b3cef5b34d5672d46ea12eaa9d35fd894
    BUG: 1232173
    Signed-off-by: Anuradha Talur <atalur at redhat.com>
    Reviewed-on: http://review.gluster.org/11253
    Tested-by: NetBSD Build System <jenkins at build.gluster.org>
    Tested-by: Gluster Build System <jenkins at build.gluster.com>
    Reviewed-by: Ravishankar N <ravishankar at redhat.com>
    Reviewed-by: Pranith Kumar Karampuri <pkarampu at redhat.com>

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