[Bugs] [Bug 1429312] New: Prevent reverse heal from happening

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1429312

            Bug ID: 1429312
           Summary: Prevent reverse heal from happening
           Product: GlusterFS
           Version: 3.10
         Component: replicate
          Assignee: bugs at gluster.org
          Reporter: pkarampu at redhat.com
                CC: bugs at gluster.org
        Depends On: 1417466
            Blocks: 1422942



+++ This bug was initially created as a clone of Bug #1417466 +++

Description of problem:
There is a chance for the source brick to go down just after
the new entry is created and before source brick is marked with
necessary pending markers. If after this any I/O happens then
new entry will become source and reverse heal will happen.
To prevent this mark the pending xattrs before creating the new
entry.


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


How reproducible:


Steps to Reproduce:
1.
2.
3.

Actual results:


Expected results:


Additional info:

--- Additional comment from Worker Ant on 2017-01-29 11:25:49 EST ---

REVIEW: https://review.gluster.org/16474 (cluster/afr: Perform new entry mark
before creating new entry) posted (#1) for review on master by Pranith Kumar
Karampuri (pkarampu at redhat.com)

--- Additional comment from Worker Ant on 2017-02-14 12:19:07 EST ---

REVIEW: https://review.gluster.org/16474 (cluster/afr: Perform new entry mark
before creating new entry) posted (#2) for review on master by Pranith Kumar
Karampuri (pkarampu at redhat.com)

--- Additional comment from Worker Ant on 2017-02-16 10:24:34 EST ---

COMMIT: https://review.gluster.org/16474 committed in master by Pranith Kumar
Karampuri (pkarampu at redhat.com) 
------
commit 6588204568ab73bf8456ca3b2eccf2ae1182fb95
Author: Pranith Kumar K <pkarampu at redhat.com>
Date:   Mon Jan 23 14:58:45 2017 +0530

    cluster/afr: Perform new entry mark before creating new entry

    There is a chance for the source brick to go down just after
    the new entry is created and before source brick is marked with
    necessary pending markers. If after this any I/O happens then
    new entry will become source and reverse heal will happen.
    To prevent this mark the pending xattrs before creating the new
    entry.

    BUG: 1417466
    Change-Id: I233b87e694d32e5d734df5a83b4d2ca711c17503
    Signed-off-by: Pranith Kumar K <pkarampu at redhat.com>
    Reviewed-on: https://review.gluster.org/16474
    Smoke: Gluster Build System <jenkins at build.gluster.org>
    NetBSD-regression: NetBSD Build System <jenkins at build.gluster.org>
    CentOS-regression: Gluster Build System <jenkins at build.gluster.org>
    Reviewed-by: Ravishankar N <ravishankar at redhat.com>
    Reviewed-by: Krutika Dhananjay <kdhananj at redhat.com>


Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1417466
[Bug 1417466] Prevent reverse heal from happening
https://bugzilla.redhat.com/show_bug.cgi?id=1422942
[Bug 1422942] Prevent reverse heal from happening
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