anchor.diff:  
   add_9_rm_5(Config) ->
       {priv_dir, PrivDir} = lists:keyfind(priv_dir, 1, Config),
  -    unittest_helper:make_ring(1, [{config, [{log_path, PrivDir} | join_parameters_list()]}]),
  +    unittest_helper:make_ring(1, [{config, [{log_path, PrivDir},
  +                                            {rrepair_after_crash, false}
  +                                           | join_parameters_list()]}]),
       stop_time(fun add_9_rm_5_test/0, "add_9_rm_5").
   
   add_9_rm_5_test() ->
  
positive.code: 
      unittest_helper:make_ring_with_ids(
        [FirstId],
        [{config, [{dht_node, mockup_dht_node}, pdb:get(log_path, ?MODULE), {monitor_perf_interval, 0} | join_parameters_list()]}]),
      if IgnMsgAt1st -> send_ignore_msg_list_to(1, node, IgnoredMessages);
         true        -> ok
      end,
  
negative.code: 
  add_9(Config) ->
      {priv_dir, PrivDir} = lists:keyfind(priv_dir, 1, Config),
      unittest_helper:make_ring(1, [{config, [{log_path, PrivDir},
                                              {rrepair_after_crash, false}
                                             | join_parameters_list()]}]),
      stop_time(fun add_9_test/0, "add_9").
  
  add_9_test() ->
  