anchor.diff:  open_helper(_, _, _) ->
       {error, open_failed}.
   
  -map_hostnames("149.156.10.162") -> 'worker@veil-d01.grid.cyf-kr.edu.pl';
  -map_hostnames("149.156.10.163") -> 'worker@veil-d02.grid.cyf-kr.edu.pl';
  -map_hostnames("149.156.10.164") -> 'worker@veil-d03.grid.cyf-kr.edu.pl';
  -map_hostnames("149.156.10.165") -> 'worker@veil-d04.grid.cyf-kr.edu.pl'.+map_hostname("149.156.10.162") -> 'worker@veil-d01.grid.cyf-kr.edu.pl';
  +map_hostname("149.156.10.163") -> 'worker@veil-d02.grid.cyf-kr.edu.pl';
  +map_hostname("149.156.10.164") -> 'worker@veil-d03.grid.cyf-kr.edu.pl';
  +map_hostname("149.156.10.165") -> 'worker@veil-d04.grid.cyf-kr.edu.pl'.
  +
  +make_dir([Root | Leafs]) ->
  +    make_dir(Root, Leafs).
  +
  +make_dir(Root, []) ->
  +    Ans = file:make_dir(Root),
  +    ?DEBUG("=====> Dir: ~p, Ans: ~p~n", [Root, Ans]);
  +make_dir(Root, [Leaf | Leafs]) ->
  +    Ans = file:make_dir(Root),
  +    ?DEBUG("=====> Dir: ~p, Ans: ~p~n", [Root, Ans]),
  +    make_dir(filename:join(Root, Leaf), Leafs).
positive.code:     ?DEBUG("=====> VFS Root: ~p~n", [VFSRoot]),
      Dir = VFSRoot ++ "/stress_test_" ++ basho_bench_config:get(build_id),
      ?DEBUG("=====> Dir: ~p~n", [Dir]),
      MakeDirAns = file:make_dir(Dir),
      ?DEBUG("=====> Make dir answer: ~p~n=====> Hostname: ~p~n", [MakeDirAns, os:cmd("hostname -f")]),
      File = Dir ++ "/file_" ++ integer_to_list(Id),
      ?DEBUG("=====> File: ~p~n", [File]),
  
  
negative.code:     ?DEBUG("=====> DN: ~p~n", [get_dn(Cert)]),
      Groups = #fuse_group_info{name = ?CLUSTER_FUSE_ID, storage_helper = #storage_helper_info{name = "DirectIO", init_args = ["/mnt/gluster"]}},
      ?DEBUG("=====> Groups: ~p~n", [Groups]),
      rpc:call(map_hostname(Host), os, cmd, ["rm -rf /mnt/gluster/*"]),
      InsertStorageAns = rpc:call(map_hostname(Host), fslogic_storage, insert_storage, ["ClusterProxy", [], [Groups]]),
      ?DEBUG("=====> Insert storage answer: ~p~n", [InsertStorageAns]),
      AddUserAns = rpc:call(map_hostname(Host), user_logic, create_user, ["veilfstestuser", "Test Name", [], "test@test.com", [get_dn(Cert)]]),
      ?DEBUG("=====> Add user answer: ~p~n", [AddUserAns]).
  
  %% Gets rDN list compatibile user_logic:create_user from PEM file
  