anchor.diff:      leo_redundant_manager_api:attach(list_to_atom("node_7@" ++ Hostname)),
       ?debugVal(leo_redundant_manager_table_member:size()),
   
  -    timer:sleep(3000),
  +    timer:sleep(500),
       ok.
   
   
  
positive.code:                             false -> SumR2_2
                          end,
                ?assertEqual(false, (SumR1_3 == 0 orelse SumR2_3 == 0))
                %% case (SumR1_3 == 0 orelse SumR2_3 == 0) of
                %%     true ->
                %%         ?debugVal({N1,N2,N3,SumR1_3,SumR2_3});
                %%     false ->
                %%         void
                %% end
        end, lists:seq(1, 3000)),
      ok.
  
  rack_aware_2_({Hostname}) ->
      {ok, _RefSup} = leo_redundant_manager_sup:start_link(master),
      %% ok = leo_redundant_manager_table_member:create_members(),
  
      leo_redundant_manager_api:set_options([{n, 5},
                                             {r, 1},
                                             {w ,2},
  
negative.code:     Node14 = list_to_atom("node_14@" ++ Hostname),
      Node15 = list_to_atom("node_15@" ++ Hostname),
  
      leo_redundant_manager_api:attach(Node0, "R1"),
      leo_redundant_manager_api:attach(Node1, "R1"),
      leo_redundant_manager_api:attach(Node2, "R1"),
  