anchor.diff:            nodestats         = []              :: [node_info()],
             overused_nodes    = []              :: [node()],
             underused_nodes   = []              :: [node()],
  +          most_overused_node = undefined      :: 'undefined' | node(),
   
             % static state
             tags              = []      :: [object_name()],
  
positive.code:             % This is a current or newer incarnation.
              {ok, false}
      end;
  check_is_orphan(#state{blobk = BlobK, blacklist = BlackList},
                  blob, BlobName, Node, Vol) ->
      MaxReps = BlobK + ?NUM_EXTRA_REPLICAS,
      % The gc mark/in-use protocol is resumable, but the node loses its
      % in-use knowledge when it goes down.  On reconnect, it might
  
negative.code:                     lager:info("GC: discarding replica of ~p on ~p/~p",
                                 [BlobName, Node, Vol]),
                      {ok, true};
                  {false, false, false}
                    when BlackList =:= [] ->
                      % This is a usable, newly-recovered, lost replica;
                      % record the volume for later use.
  