Database - RAC/Scalability (MOSC)

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RAC tnsnames.ora scan not working, vip works? Which should be used?

edited Dec 16, 2018 12:08AM in Database - RAC/Scalability (MOSC) 7 commentsAnswered ✓

This is a new cloned rac instance.  The db was cloned, not the cluster.

Users have the scan listener in their tnsnames.ora.


From my desktop I can connect if I change 'scan' to 'vip' for the hostname.

1. What should I use in tnsnames.ora to connect to the rac database?

2, How do I check what is going on with the scan connection?

3. The port for the local listener running from the $TNS_ADMIN directory is 1522,  The port for the scan listener running in the cluster is 1521.

     Which is the correct place to connect to utilize both databases uat1 and uat2?

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