Andrey Bronfin wrote:
>
> Hi Paul !
> Thanks a lot for your reply .
> This is a production DB and can not be upgraded right now.
>
> DBAndrey
>
> * 03-9254520
> * 053-464562
> * mailto:[EMAIL PROTECTED]
>
You could probably run ONames on a different box, different version - if
that helps.
> -----Original Message-----
> Sent: Thursday, August 23, 2001 8:06 PM
> To: Multiple recipients of list ORACLE-L
>
> Hi.
>
> I would highly recommend the book (its my current train reading)
>
> "Oracle Net8 Configuration and Troubleshooting"
> By Jonathan Gennick and Hugo Toledo - O'Reilly
> January 2001
>
> Chapter 8 - Load Balancing and Failover covers this subject in detail for
> Oracle 8.1.6.0.0.
> You can specify that the client only connects to OPS1, fails over to OPS2.
> I do not know anything about how well this works back on 8.0.5.
> Are you using Oracle Names?
>
> What you want to do is only specify one connect descriptor for the initial
> connect,
> and specify a failover descriptor - using TAF. Again, I have only read the
> docs for 8.1.6 - and not the 8.0 series.
>
> Again - 8.0.6 is de-supported next month.
> Why not get this working on 8.1.7?
> You'll have much better features and fewer bugs on 8.1.7.
>
> hth,
>
> Paul
>
> Paul Drake
> DBA/SysAdmin
> Encoda Systems, Inc.
>
> -------- Original Message --------
> Date: Thu, 23 Aug 2001 09:06:06 -0800
> Reply-To: [EMAIL PROTECTED]
> Organization: Fat City Network Services, San Diego, California
> To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
>
> Dear list !
> I've got an OPS database named OPS with 2 instances OPS1 and OPS2 .
> I want the clients to connect to the instance OPS1 and , if OPS1 becomes
> unavailable , to connect to OPS2 .
> The Oracle version is 8.0.5
> I put the following lines in clients' tnsnames.ora file :
>
> OPS.world = (DESCRIPTION_LIST =
> (DESCRIPTION =
> (ADDRESS = (PROTOCOL = tcp) (HOST = DB1) (PORT = 1526))
> (CONNECT_DATA = (SID = OPS1))
> )
> (DESCRIPTION =
> (ADDRESS = (PROTOCOL = tcp) (HOST = DB2) (PORT = 1526))
> (CONNECT_DATA = (SID = OPS2))
> )
> )
>
> The problem is that when both the instances are up and running , it
> looks
> like clients connect to one of the instances randomly .
> How can i ensure that they will try to connect to OPS1 first , and only
> if
> it is unavailable , they'll connect to OPS2.
>
> Thanks a lot in advance .
>
> DBAndrey
> mailto:[EMAIL PROTECTED]
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Andrey Bronfin
> INET: [EMAIL PROTECTED]
>
> Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
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> Author: Paul Drake
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> Author: Andrey Bronfin
> INET: [EMAIL PROTECTED]
>
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> San Diego, California -- Public Internet access / Mailing Lists
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--
Author: Paul Drake
INET: [EMAIL PROTECTED]
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San Diego, California -- Public Internet access / Mailing Lists
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