[Bugs] [Bug 1503246] New: clean up port map on brick disconnect

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1503246

            Bug ID: 1503246
           Summary: clean up port map on brick disconnect
           Product: GlusterFS
           Version: mainline
         Component: glusterd
          Assignee: bugs at gluster.org
          Reporter: amukherj at redhat.com
                CC: bugs at gluster.org



Description of problem:

GlusterD's portmap entry for a brick is cleaned up when a PMAP_SIGNOUT event is
initiated by the brick process at the shutdown. But if the brick process
crashes or gets killed through SIGKILL then this event is not initiated and
glusterd ends up with a stale port. Since GlusterD's portmap traversal happens
both ways, forward for allocation and backward for registry search, there is a
possibility that glusterd might end up running with a stale port for a brick
which eventually will end up with clients to fail to connect to the bricks or
other daemons.

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


How reproducible:


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Additional info:

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