[Bugs] [Bug 1385762] New: Don' t create a directory if one with the same gfid exists

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1385762

            Bug ID: 1385762
           Summary: Don't create a directory if one with the same gfid
                    exists
           Product: GlusterFS
           Version: mainline
         Component: posix
          Assignee: bugs at gluster.org
          Reporter: nbalacha at redhat.com
                CC: bugs at gluster.org



Description of problem:

In case a directory rename fails on a brick, a DHT lookup tries to create a
directory with the new name as part of the heal.This means that there will be
two directories with different names but the same gfid on the brick. This
causes a lot of issues wrt file access as some files will not be visible on the
mount point.


If the code is changed so that the directory is not created if a dir with the
same gfid already exists, there will be different dirs with the same gfid
across bricks but file listing still works and it is easier to recover from the
scenario.


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


How reproducible:


Steps to Reproduce:
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Actual results:


Expected results:


Additional info:

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