anchor.diff:  
   %% Only 'write' action is implemented right now
   run(write, _KeyGen, _ValueGen, {Dev, _Offset, _Data} = State) when is_atom(Dev) ->
  -    ?DEBUG("=====> Write ERROR~n"),
  +    ?DEBUG("=====> Write ERROR~n", []),
       timer:sleep(1000), %% Dont generate more then one error per sec when open/2 is failing
       {error, {open, Dev}, State};
   run(write, _KeyGen, _ValueGen, {Dev, Offset, Data}) ->
  -    ?DEBUG("=====> Write OK~n"),
  +    ?DEBUG("=====> Write OK~n", []),
       NewState = {Dev, (Offset + length(Data)) rem (basho_bench_config:get(max_filesize) * 1024 * 1024), Data},
       case file:pwrite(Dev, 0, Data) of
           ok -> {ok, NewState};
  
positive.code:     end.
  
  new(Id) ->
      ?DEBUG("=====> NEW~n"),
      VFSRoot = basho_bench_config:get(veilfs_root),
      ?DEBUG("=====> VFS Root: ~p~n", [VFSRoot]),
      Dir = VFSRoot ++ "/stress_test_" ++ basho_bench_config:get(build_id),
  
negative.code: 
  %% Runs once per each test node at begging of a test (before any new/1 is called)
  setup() ->
      ?DEBUG("=====> SETUP~n", []),
      try
          %% Init net kernet in order to connect to cluster
          NetKernel = net_kernel:start([list_to_atom("tester@" ++ net_adm:localhost()), longnames]),
  