anchor.diff:              ?error("handle_call/1 - QUEUE_ID_REBALANCE", "cause:~p", [Cause]),
               {error, Cause};
           #rebalance_message{} = Msg ->
  -            %% NOTE:
  -            %% If remote-node status is NOT 'running',
  -            %%     this function cannot operate 'copy'.
               rebalance_1(Msg);
           _ ->
               {error, ?ERROR_COULD_MATCH}
  
positive.code:     end;
  rebalance_2(_,_) ->
      ok.
  
  
  
  %% @doc Notify a rebalance-progress messages to manager.
  
negative.code:     end.
  
  
  %% @doc Relocate an object because of executed "rebalance"
  %%      NOTE:
  %%          If remote-node status is NOT 'running',
  %%          this function cannot operate 'copy'.
  %% @private
  rebalance_1(#rebalance_message{node = Node,
                                 vnode_id = VNodeId,
  