Hi, Maybe because you have load balancing on it takes a long time to decide which node/instance to use? I hope not, because I am setting up this scenario for a production system. Is there much of a difference in the result of a tnsping to the different aliases? Regards Pete On Feb 15, 2008 1:00 AM, Binh Pham <binhpham15@xxxxxxxxxxx> wrote: > I've just created two node RAC cluster (11.1.0.6). > > > > The installation configured TNSNAMES as followed. > > Question: Connecting from SQLPLUS and other products to the database from > my workstation to the RAC alias takes a long time before established. > However, connections to RAC1 and RAC2 alias are instantaneous. > > Any idea? Thanks. > > > > RAC = > > (DESCRIPTION = > > (ADDRESS = (PROTOCOL = TCP)(HOST = oelvip03)(PORT = 1521)) > > (ADDRESS = (PROTOCOL = TCP)(HOST = oelvip04)(PORT = 1521)) > > (LOAD_BALANCE = yes) > > (CONNECT_DATA = > > (SERVER = DEDICATED) > > (SERVICE_NAME = RAC.WORLD) > > ) > > ) > > > > RAC2 = > > (DESCRIPTION = > > (ADDRESS = (PROTOCOL = TCP)(HOST = oelvip04)(PORT = 1521)) > > (CONNECT_DATA = > > (SERVER = DEDICATED) > > (SERVICE_NAME = RAC.WORLD) > > (INSTANCE_NAME = RAC2) > > ) > > ) > > > > RAC1 = > > (DESCRIPTION = > > (ADDRESS = (PROTOCOL = TCP)(HOST = oelvip03)(PORT = 1521)) > > (CONNECT_DATA = > > (SERVER = DEDICATED) > > (SERVICE_NAME = RAC.WORLD) > > (INSTANCE_NAME = RAC1) > > ) > > ) > > > > > > Regards, > > > > Binh Pham > > > > ------------------------------ > Connect and share in new ways with Windows Live. Get it > now!<http://www.windowslive.com/share.html?ocid=TXT_TAGHM_Wave2_sharelife_012008> > -- Regards Pete