anchor.diff:  %%
   -spec(get_node_status(atom()) ->
                ok | {error, any()}).
  -get_node_status(Node_0) ->
  -    Node_1 = list_to_atom(Node_0),
  -    {Type, Mod} = case leo_manager_mnesia:get_gateway_node_by_name(Node_1) of
  +get_node_status(Node_1) ->
  +    Node_2 = list_to_atom(Node_1),
  +    {Type, Mod} = case leo_manager_mnesia:get_gateway_node_by_name(Node_2) of
                         {ok, _} -> {?SERVER_TYPE_GATEWAY, ?API_GATEWAY};
                         _ ->
  -                          case leo_manager_mnesia:get_storage_node_by_name(Node_1) of
  +                          case leo_manager_mnesia:get_storage_node_by_name(Node_2) of
                                 {ok, _} -> {?SERVER_TYPE_STORAGE, ?API_STORAGE};
                                 _       -> {[], undefined}
                             end
  
positive.code:                           [?SYNC_TARGET_BOTH, [{?VER_CUR,  MemberCur},
                                                 {?VER_PREV, MemberPrev}],
                             Options], ?DEF_TIMEOUT) of
                  {ok, Hashes} ->
                      {RingHashCur, RingHashPrev} = leo_misc:get_value(?CHECKSUM_RING, Hashes),
                      _ = leo_manager_mnesia:update_storage_node_status(
  
negative.code:     KeyBin = list_to_binary(Key),
      case leo_redundant_manager_api:get_redundancies_by_key(KeyBin) of
          {ok, #redundancies{id = AddrId, nodes = Redundancies}} ->
              whereis_1(AddrId, KeyBin, Redundancies, []);
          _ ->
              {error, ?ERROR_COULD_NOT_GET_RING}
      end;
  