anchor.diff:                     leo_misc:get_value('rex_max_mem_capacity', WatchdogProps),
                      leo_misc:get_value('cpu_max_cpu_load_avg', WatchdogProps),
                      leo_misc:get_value('cpu_max_cpu_util',     WatchdogProps),
  -                   leo_misc:get_value('io_max_input_for_interval',  WatchdogProps),
  -                   leo_misc:get_value('io_max_output_for_interval', WatchdogProps),
  +                   leo_misc:get_value('io_max_input_per_sec',  WatchdogProps),
  +                   leo_misc:get_value('io_max_output_per_sec', WatchdogProps),
                      %% status-1 [2]
                      leo_hex:integer_to_hex(leo_misc:get_value('ring_cur',  RingHashes, 0), 8),
                      leo_hex:integer_to_hex(leo_misc:get_value('ring_prev', RingHashes, 0), 8),
  
positive.code:                                   leo_misc:get_value('cpu_enabled', WatchdogProps)),
                     exchange_value(?BOOL_TO_ENABLE,
                                    leo_misc:get_value('io_enabled',  WatchdogProps)),
                     leo_misc:get_value('watch_interval', WatchdogProps),
                     leo_misc:get_value('rex_max_mem_capacity', WatchdogProps),
                     leo_misc:get_value('cpu_max_cpu_load_avg', WatchdogProps),
                     leo_misc:get_value('cpu_max_cpu_util',     WatchdogProps),
                     leo_misc:get_value('io_max_input_for_interval',  WatchdogProps),
                     leo_misc:get_value('io_max_output_for_interval', WatchdogProps),
                     %% RING
                     leo_hex:integer_to_hex(leo_misc:get_value('ring_cur',  RingHashes, 0), 8),
                     leo_hex:integer_to_hex(leo_misc:get_value('ring_prev', RingHashes, 0), 8),
  
negative.code:     WatchdogProps = leo_misc:get_value('watchdog', State, []),
  
      io_lib:format(lists:append(["[config-1: basic]\r\n",
                                  "                version : ~s\r\n",
                                  "            # of vnodes : ~w\r\n",
                                  "          group level-1 :   \r\n",
                                  "          group level-2 : ~s\r\n",
                                  "    object container(s) : ~p\r\n",
                                  "                log dir : ~s\r\n",
                                  "\r\n[config-2: watchdog]\r\n",
                                  "          cpu watchdog  : ~w\r\n",
                                  "           io watchdog  : ~w\r\n",
                                  "   monitoring interval  : ~w\r\n",
                                  "[rex ] max mem capacity : ~w\r\n",
                                  "[cpu ] max cpu load avg : ~w\r\n",
                                  "[cpu ] max cpu util     : ~w%\r\n",
                                  "[io  ] max input size   : ~w\r\n",
                                  "[io  ] max output size  : ~w\r\n",
                                  "[disk] max disk util    : ~w%\r\n",
                                  "\r\n[status-1: ring]\r\n",
                                  "      ring state (cur)  : ~s\r\n",
                                  "      ring state (prev) : ~s\r\n",
                                  "\r\n[status-2: erlang-vm]\r\n",
                                  "             vm version : ~s\r\n",
                                  "        total mem usage : ~w\r\n",
                                  "       system mem usage : ~w\r\n",
                                  "        procs mem usage : ~w\r\n",
                                  "          ets mem usage : ~w\r\n",
                                  "                  procs : ~w/~w\r\n",
                                  "            kernel_poll : ~w\r\n",
                                  "       thread_pool_size : ~w\r\n",
                                  "\r\n[status-3: # of msgs]\r\n",
                                  "       replication msgs : ~w\r\n",
                                  "        vnode-sync msgs : ~w\r\n",
                                  "         rebalance msgs : ~w\r\n",
                                  "\r\n"]),
                    [
                     %% Basic Conf
  