anchor.diff:  
   %%--------------------------------------------------------------------
   %% @doc
  +%% Sets information about number of nodes connected with key.
  +%% @end
  +%%--------------------------------------------------------------------
  +-spec set_key_connected_nodes(pos_integer()) -> ok.
  +set_key_connected_nodes(Num) ->
  +    ctool:set_env(key_connected_nodes, Num),
  +    Ring = get_chash_ring(),
  +    set_chash_ring(Ring#ring{key_connected_nodes = Num}).
  +
  +%%--------------------------------------------------------------------
  +%% @doc
   %% Get node that is responsible for the data labeled with given term.
   %% Throws error if node is broken.
   %% @end
  
positive.code: %% @doc
  %% Initialize chash ring
  %% @end
  %%--------------------------------------------------------------------
  -spec init([node()]) -> ok.
  init([Node]) ->
      set_chash_ring(#ring{type = single_node, chash = Node});
  
negative.code:             CHash = lists:foldl(fun({I, Node}, CHashAcc) ->
                  chash:update(get_nth_index(I, CHashAcc), Node, CHashAcc)
              end, InitialCHash, lists:zip(lists:seq(1, length(Nodes)), Nodes)),
              KeyConnectedNodes = ctool:get_env(key_connected_nodes, 1),
              Ring = #ring{type = multi_node, chash = CHash, key_connected_nodes = KeyConnectedNodes},
              set_chash_ring(Ring);
          _ ->
              ok
  