Database - RAC/Scalability (MOSC)

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How to configure 9iR2 tnsnames.ora client to connect to a 11gR2 RAC database?

edited May 15, 2015 10:04AM in Database - RAC/Scalability (MOSC) 7 commentsAnswered

Hi,

We have to connect 9.2.0.8 clients to a 2-nodes 11gR2 RAC.

I have checked the MOS note Client / Server Interoperability Support Matrix for Different Oracle Versions (Doc ID 207303.1) and it seems this combination WAS supported.

I know this combination  is not supported at present, but due to legacy applications we have to connect 9iR2 clients to 11gR2 RAC's.

I wonder how should I configure the tnsnames.ora to connect from the 9iR2 client. Do you think the following will work?:

PRE112_client_alias =

  (DESCRIPTION =

    (ADDRESS_LIST =

      (LOAD_BALANCE=ON) (FAILOVER=ON)

      (ADDRESS = (PROTOCOL = TCP)(HOST = scan1-vip)(PORT = 1522))

      (ADDRESS = (PROTOCOL = TCP)(HOST = scan2-vip)(PORT = 1522))

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