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: -ifdef(EUNIT).
  
  redundant_manager_test_() ->
      {foreach, fun setup/0, fun teardown/1,
       [{with, [T]} || T <- [fun redundant_manager_0_/1,
                             fun redundant_manager_1_/1,
                             fun attach_/1,
                             fun detach_/1,
  
negative.code:     leo_redundant_manager_api:attach(Node15, "R2"),
  
      {ok, _, _} =leo_redundant_manager_api:create(),
      ServerRef = poolboy:checkout(?RING_WORKER_POOL_NAME),
      ok = leo_redundant_manager_worker:force_sync(ServerRef, {ets, ?CUR_RING_TABLE}),
      ok = leo_redundant_manager_worker:force_sync(ServerRef, {ets, ?PREV_RING_TABLE}),
  
      lists:foreach(
        fun(N) ->
                {ok, #redundancies{nodes = Nodes}} =
                    leo_redundant_manager_api:get_redundancies_by_key(
                      lists:append(["LEOFS_", integer_to_list(N)])),
                ?assertEqual(5, length(Nodes))
        end, lists:seq(1, 300)),
  
      ?debugVal(ok),
      poolboy:checkin(?RING_WORKER_POOL_NAME, ServerRef),
      ok.
  
  
  