On 8/14/07, Dunbar, Norman <norman.dunbar@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > > Morning > > >> I knew that is problem, but based on ORACLE say you > >> can Only turn on one listener which is highest version > >> of ORACLE. > > Hopefully, you will have got your tnsnames problems sorted out by now. > However, the advice to only use one listener and to use the highest > version of Oracle software is pretty sound - if you intend to run all > your databases (on that server) using the same listener. I have a clustered server system to look after and each 'package' can > failover between cluster nodes in the event of a problem. I have one > listener per database and that one listener is running with the same > version of Oracle as the database itself. > > Obviously, I cannot have 'hundreds' of listeners all called LISTENER, so > they each have individual names like Horace and Stella or Derek and > Rachel. :) Only kidding :o) The names are related to the package name - that makes > it easy to identify them and also to auto start them in the package > start-up scripts. Unless - like us on our dev boxes - you have many different Oracle software owners I'm not sure that net services aren't a better solution for this sort of thing than multiple listeners. (I'm assuming the environment agency is at least at 8i). -- Niall Litchfield Oracle DBA http://www.orawin.info