anchor.diff:  
   join(Nodes) ->
       BNode = lists:nth(1, Nodes),
  -    lager:log(info, self(), "Performing a remote backup on ~p", [BNode]),
       rpc:call(BNode, privpaste_mnesia, backup, []),
       All = maybe_add_local_node(Nodes),
       rpc:multicall(All, privpaste_mnesia, reset, []),
  
positive.code: %% API
  -export([start/0,
           backup/0,
           join/1,
           reset/0,
           restore/0]).
  
  
negative.code:     maybe_remove_local_node(N2).
  
  reset() ->
      mnesia:stop(),
      mnesia:delete_schema([node()]).
  