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Jan 5, 2016 · Databases

Why Did My Oracle RAC Node Fail to Start with SQLPLUS? A Deep Dive into HAIP and Environment Variables

This article recounts a detailed troubleshooting journey of an Oracle 11gR2 RAC cluster where a newly added node could not start with SQLPLUS due to HAIP misconfiguration and mismatched environment variables, explaining the diagnostic steps, root cause discovery, and the final resolution.