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Re: Multiple Listeners for Different Versions - Help Please

From: Chris Royce <Chris_at_Royce.net>
Date: Tue, 06 Jun 2000 18:43:46 -0400
Message-Id: <10520.107982@fatcity.com>


Why not use the $TNS_ADMIN variable - which sql*net checks first - and include all of the necessary entries for multiple listeners in one listener.ora file ?? I have one huge tnsnames.ora that defines all instances whether they are accessed or not. I am supporting instance - versions -- 7.3.4 -- 8.0.4 -- 8.0.5 -- 8.1.5 -- 8.1.6 -- with two listeners 8.0.4 , which will handle 8.0.4 and below and 8.1.6 - which will handle 8.1 and 8.0.5 but not 8.0.4 and below. I can provide you with further info as to how I implemented this if you like. I have recently had my environment further complicated by the introduction of a switching and load balancing device which uses virtual IP addresses pointed to the listener ports. It makes my hair hurt - but it works.

CJ

Suzy Vordos wrote:

> If you put listener.ora in a global location, eg., /var/opt/oracle, then
> one file can be shared by all instances regardless of Oracle version.
> Put a soft-link under each $ORACLE_HOME/network/admin to the new
> location.
>
> Suzy
>
> Michael Sun wrote:
> >
> > If you multiple listeners running, you need to place individual listener.ora
> > files into each $ORACLE_HOME/network/admin directories.
> >
> > Michael
> >
> > ----- Original Message -----
> > To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com>
> > Sent: Monday, June 05, 2000 9:03 PM
> >
> > > Hi
> > >
> > > Our set up is as follows:
> > >
> > > Platform : Solaris 2.7
> > > Oracle Versions : 8.0.4 & 8.0.6
> > >
> > > I need to configure multiple listeners for 8.0.4 and 8.0.6. Could any body
> > > send me the copy of a listener.ora which will have multiple listeners to
> > > accomodate the two different versions of Oracle running. Do I need to
> > > change tnsnames.ora settings?
> > >
> > > I will be thankful to your help.
> > >
> > > Thanks,
> > >
> > > Maheshwara Rao, L., Teki
> > > E Mail : teki01_at_mediaone.net
> > >
> > > --
> > > Author: Maheshwara Rao, L., Teki
> > > INET: teki01_at_mediaone.net
> > >
> > > Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
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> >
> > --
> > Author: Michael Sun
> > INET: mikeny31_at_speakeasy.org
> >
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> Author: Suzy Vordos
> INET: lvordos_at_uswest.com
>
> Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
> San Diego, California -- Public Internet access / Mailing Lists
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Received on Tue Jun 06 2000 - 17:43:46 CDT

Original text of this message

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