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Oracle 10 and 11 for sure.
I don't see why the 9 client won't work.
Additional information :
Prerequisites Required For Automatic Client Failover Configurations [ID 405120.1]
Client Failover Best Practices for Highly Available Oracle Databases: Oracle Database 10g Release 2
See - : Typical Wait Times for Client Failover ( which supports my answer )
Edited by: 291223 on Apr 10, 2012 7:29 PM
I posted the pdf late in my first message.
It has a chart showing the 9i client and denoted. Is that what you need?
Advanced Configuration of TNSNames.ora oracle 9
This may help too
h2. This one
Data Guard 9i Configuring Transparent Application Failover in a Data Guard Environment [ID 205637.1]
mseberg ( despite the number where my name use to be !! )
Edited by: 291223 on Apr 10, 2012 7:39 PM
Edited by: 291223 on Apr 10, 2012 7:46 PM
Edited by: 291223 on Apr 10, 2012 7:56 PM
I read in somewhere that client 9 supports Automatic Client Failover.I think you are looking for this note? *Data Guard 9i Configuring Transparent Application Failover in a Data Guard Environment [ID 205637.1]* its TAF specific to *9i* ?
Can you give the link to read those Prerequisites, it's going to be helpuf.
It goes back to at least 8.0 :
8.0.x-8.1.x: Sample config for Transparent Application Failover (TAF) On UNIX [ID 69745.1]
I don't remember much from Oracle 7 anymore.
h3. But then that's why databases exist.
Oracle Fail Safe Concepts and Administration Guide Release 3.2.1 for Windows NT and Windows 2000 A95194-01
Not sure this confirms older than 8 but at some point its no longer matters as the Oracle software, the OS and hardware are all desupported. Plus they won't work with anything new.
Edited by: mseberg on Apr 11, 2012 2:03 PM
h3. Trouble finding link
Have this :
Using A95194-01 for search.
Edited by: mseberg on Apr 11, 2012 2:52 PM
Found this ( newer )
Edited by: mseberg on Apr 11, 2012 2:55 PM
Not it, but may help
h3. Getting closer : ( 10 year old pdf )
Edited by: mseberg on Apr 11, 2012 3:00 PM
Edited by: mseberg on Apr 11, 2012 4:06 PM