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Oracle Failover from Primary to Secondary Server (SSIS)


Oracle Failover from Primary to Secondary Server (SSIS)

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Welsh Corgi
Welsh Corgi
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I have some packages that have Oracle as their Data Source.

I'm not clear as to what I do and\or not need to do.

The primary Server has been failing so I added entries into the 32 and 64 bit tnsnames.ora file to point to the secondary server.

I also created a ODBC Connections and Linked Servers.

I want to failover to the secondary sever as transparent as possible.

I don't recall where you define which Oracle Instance that you are referring to in the SSIS Package?

Any advise would be greatly appreciated.

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Welsh Corgi
Welsh Corgi
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I basically came up with a solution

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Jo Pattyn
Jo Pattyn
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was it Oracle TAF automatic fail over using tnsnames ?
Welsh Corgi
Welsh Corgi
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Jo Pattyn (4/12/2014)
was it Oracle TAF automatic fail over using tnsnames ?


Could you please expand on that?

I do not have control of the Oracle Servers but I can make suggestions to the vendors who Server is constantly failing over.

Thanks again. :-)

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Jo Pattyn
Jo Pattyn
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You can click on the link TAF in the above post.
I don't have experience with it but know that you can specify multiple addresses under one TNS-alias. Sometimes an oracle connection manager is used.
If the first address is barred the Oracle-Net layer connects to the second address to the application (but doesn't recover lost work)

The mechanism is quite transparent as you only have one tns-alias for the application to connect to.
You need the full OCI-driver. Another link for java
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