anchor.diff:                                [{dbdir, "dbdir"},
                                  {bucket_engine, "new-be"},
                                  {engines, "new-engines"}]},
  -                             {set, port_servers,
  -                              [{moxi, "moxi something"},
  -                               {memcached, "memcached something"}]},
  +                             %% we don't expect to find port_servers here;
  +                             %% 1.6->1.7 procedure has changed in 1.8
                                {set, {node, node(), ns_log}, default_log}]),
                    lists:sort(Res)).
   
  
positive.code:                     end, [],
                      [directory,
                       {node, node(), isasl},
                       port_servers,
                       {node, node(), ns_log}]).
  
  upgrade_config_from_1_7_to_1_7_1() ->
  
negative.code:     ?assertEqual(lists:sort(Ref4), lists:sort(Res4)).
  
  upgrade_1_7_2_to_1_8_0_test() ->
      DefaultCfg = [{{node, node(), port_servers},
                     [{moxi, "/opt/couchbase/bin/moxi something"},
                      {memcached, "/opt/couchbase/bin/memcached something"}]}],
  
      OldCfg0 = [{nodes_wanted, [node()]},
                 {{node, node(), rest}, [{port, 9000}]},
                 {port_servers, [{moxi, "moxi something"},
                                 {memcached, "memcached something"}]}],
      Res0 = do_upgrade_config_from_1_7_2_to_1_8_0([OldCfg0], DefaultCfg),
      ?assertEqual([{set, {node, node(), port_servers},
                     [{moxi, "/opt/couchbase/bin/moxi something"},
                      {memcached, "/opt/couchbase/bin/memcached something"}]}],
                     lists:sort(Res0)),
  
      OldCfg1 = [{{node,node(),memcached},
                  [{dbdir,"/opt/membase/var/lib/membase/data"},
  