Database - RAC/Scalability (MOSC)

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RAC database evicts second database if both private interfaces are running

in Database - RAC/Scalability (MOSC) 4 commentsAnswered

Oracle GRID 19.14/Oracle Enterprise Edition 19.14. On RHEL 7 OS

We were previously able to install Oracle RAC using a well-defined process on Oracle 19.3. We then patched the GRID and DB SW to 19.14 (the January 2022 RU).

Now when we do a fresh RAC install with 19.14 installed, the GRID/ASM install works properly and can run on both servers, but when we try to start both databases (not grid/asm - the actual database instance), it gets an "oraping dectected connectivity issues" and evicts one of the instances.

If we disable one of the private interfaces on the Linux host, it will start with no issue. We can use an OS ping between the private interfaces, and that all works properly.

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