anchor.diff:          symmetric ->
               Ids = get_symmetric_ids(Size),
               admin:add_node([{first}, {{dht_node, id}, hd(Ids)}]),
  -            [admin:add_node_at_id(Id) || Id <- Ids]
  +            [admin:add_node_at_id(Id) || Id <- tl(Ids)]
       end,
       wait_for_stable_ring(),
       ok.
   
  +% @doc  DBSize=Number of Data Entities in DB (without replicas)
  +-spec fill_ring(db_type(), pos_integer(), [db_parameter()]) -> ok.
  +fill_ring(random, DBSize, Params) ->    
  +    Distr = proplists:get_value(distribution, Params, uniform),            
  +    I = hd(intervals:split(intervals:all(), 4)),    %4=replication factor
  +    Keys = db_generator:get_db(I, DBSize, Distr),    
  +    insert_random_db(Keys, Params),
  +    ok;
  +fill_ring(wiki, DBSize, Params) ->
  +    %TODO
  +    ok.
  +
  +-spec start_sync() -> ok.
  +start_sync() ->
  +    Nodes = get_node_list(),
  +    io:format("NodeS=~p", [Nodes]),
  +    %start
  +    lists:foreach(fun(Node) ->
  +                          comm:send(Node, {send_to_group_member, rep_upd, {rep_update_trigger}})
  +                  end, 
  +                  Nodes),
  +    %wait for end
  +    lists:foreach(
  +      fun(Node) -> 
  +              util:wait_for(
  +                fun() -> 
  +                        comm:send(Node, {send_to_group_member, rep_upd, {get_state, comm:this(), open_sync}}),
  +                        receive
  +                            {get_state_response, Val} -> Val =:= 0
  +                        end
  +                end)
  +      end, 
  +      Nodes),
  +    ok.
  +
   -spec set_recon_method(rep_upd_recon:method()) -> ok | {error, term()}.
   set_recon_method(Method) ->
  +    config:write(rep_update_activate, true),
  +    config:write(rep_update_interval, 100000000),
  +    config:write(rep_update_trigger, trigger_periodic),
       config:write(rep_update_recon_method, Method),
  +    config:write(rep_update_resolve_method, simple),
  +    config:write(rep_update_recon_fpr, 0.01),
  +    config:write(rep_update_max_items, case Method of
  +                                           bloom -> 10000;
  +                                           _ -> 100000
  +                                       end),
  +    config:write(rep_update_negotiate_sync_interval, case Method of
  +                                                         bloom -> false;
  +                                                         _ -> true
  +                                                     end),    
  +    
       RM = config:read(rep_update_recon_method),
       case RM =:= Method of
           true -> ok;
  
positive.code:     end.
  
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  %% Local Functions
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  
  get_node_list() ->
      mgmt_server:node_list(),
      receive
          {get_list_response, List} -> List
      end.
  
  get_symmetric_ids(NodeCount) ->
  
negative.code: %   limitations under the License.
  
  %% @author Maik Lange <lakedaimon300@googlemail.com>
  %% @doc Administrative helper functions for replica repair evaluation
  %% @version $Id:  $
  -module(rr_admin).
  
  -export([make_ring/2, 
           fill_ring/3,
           start_sync/0,
           set_recon_method/1]).
  
  -export([test_upd/0,
           test_regen/0,
           test_man/0]). %TEST SETS
  
  -include("scalaris.hrl").
  
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  %% TYPES
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  
  -type ring_type()    :: symmetric | random.
  -type failure_type() :: update | regen | mixed.
  -type db_type()      :: wiki | random.
  -type db_parameter() :: {ftype, failure_type()} |
                          {fprob, 0..100} |            %failure probability
                          {distribution, db_generator:distribution()}.
  
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  %% Eval Quick Start
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  
  -spec test_upd() -> ok.
  test_upd() ->
      make_ring(symmetric, 10),
      fill_ring(random, 10000, []),
      ok.
  
  -spec test_regen() -> ok.
  test_regen() ->
      make_ring(symmetric, 10),
      fill_ring(random, 10000, [{ftype, regen}]),
      start_sync(),
      ok.
  
  -spec test_man() -> ok.
  test_man() ->
      make_ring(symmetric, 10),
      fill_ring(random, 10000, [{ftype, regen}]),
      ok.
  
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  %% API Functions
  