[Bugs] [Bug 1468279] New: metadata heal not happening despite having an active sink

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1468279

            Bug ID: 1468279
           Summary: metadata heal not happening despite having an active
                    sink
           Product: GlusterFS
           Version: mainline
         Component: replicate
          Assignee: bugs at gluster.org
          Reporter: ravishankar at redhat.com
                CC: bugs at gluster.org



Description of problem:

In a replica 3 volume, afr pending xattrs for metadata on 3 bricks are as
follows:

Brick1- C1=1
Brick2- C0=1
Brick3- C0=0, C1=0

With these xattrs, __afr_selfheal_metadata_prepare() returned zero sinks and
heal was not happening.

How to recreate:
1. Kill B1, do metadata modification operation on a file (say setfattr).
2. Kill B2, bring up B1, let metadata heal happen from B3 to B1.
3. Again do metadata modification operation on a file.
4. Kill B1, bring up B2, let metadata heal happen from B3 to B2.
5. Bring up B1 again. All bricks are up now.
6. Heal info never comes to zero.

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