Oracle not Available for RDA in RAC environment....

We've been having AIX, disk and cluster issues all week. I'm today trying to run an RDA in both of our RAC environments.

kronp2 is our primary oracle instance on kronprod2 and I can run the RDA from that node with no issues. When I try to run it from our secondary node, kronprod1 (instance kronp1), I get this error.

Processing Initialization module ...
ORA-01034: ORACLE not available
 The database to be analyzed (kronp2) does not appear to be accessible.

The application is having periodic issues connecting as well. I can connect to both from my oracle client fine.

I've looked at all the log files I can find and see nothing - any ideas?

TIA.
Dianna G.

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