[Bugs] [Bug 1256702] New: remove-brick: avoid mknod op falling on decommissioned brick even after fix-layout has happened on parent directory

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1256702

            Bug ID: 1256702
           Summary: remove-brick: avoid mknod op falling on decommissioned
                    brick even after fix-layout has happened on parent
                    directory
           Product: GlusterFS
           Version: 3.7.3
         Component: distribute
          Assignee: bugs at gluster.org
          Reporter: spalai at redhat.com
                CC: bugs at gluster.org, gluster-bugs at redhat.com,
                    rgowdapp at redhat.com
        Depends On: 1256243



+++ This bug was initially created as a clone of Bug #1256243 +++

Description of problem:
Because of stale-layout issue, a mknod op may fall on decommissioned brick even
after the parent layout is fixed.

Version-Release number of selected component (if applicable):


How reproducible:
Quite frequent with nfs mount 

Steps to Reproduce:
1. create distribute volume with more than one brick
2. remove one of the brick
3. post remove-brick do large number of mknod call. 


Actual results:
Some files are left on the removed-brick post remove-brick commit.

--- Additional comment from Anand Avati on 2015-08-25 13:53:51 MVT ---

COMMIT: http://review.gluster.org/11998 committed in master by Raghavendra G
(rgowdapp at redhat.com) 
------
commit 90c7c30c3aa9417793ae972b2b9051bc5200e7e4
Author: Susant Palai <spalai at redhat.com>
Date:   Mon Aug 24 03:04:41 2015 -0400

    cluster/dht: avoid mknod on decommissioned brick

    Change-Id: I8c39ce38e257758e27e11ccaaff4798138203e0c
    BUG: 1256243
    Signed-off-by: Susant Palai <spalai at redhat.com>
    Reviewed-on: http://review.gluster.org/11998
    Tested-by: NetBSD Build System <jenkins at build.gluster.org>
    Tested-by: Gluster Build System <jenkins at build.gluster.com>
    Reviewed-by: Raghavendra G <rgowdapp at redhat.com>


Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1256243
[Bug 1256243] remove-brick: avoid mknod op falling on decommissioned brick
even after fix-layout has happened on parent directory
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