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There's no need to start two listeners on one host, because one is enough. (In extreme cases, one listener may be overwhelmed to serve new client requests, having multiple listeners running is OK. But that's from a performance point of view. Unrelated to our discussion here.)
Theoretically, you *can* start the tnslsnr from RDBMS ORACLE_HOME. But Oracle's decision to use the GI listener makes more sense: GI starts early. It's better to have the listener up and running as soon as possible.
I think you can remove the files related to RDBMS Oracle listener, not just listener.ora (if it exists). On a sandbox, try it and let us know if anything fails. |
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