Oracle ORA-00345 Error: Causes and Solutions Complete Guide

📰 Dev.to · umzzil nng

Learn to identify and fix Oracle ORA-00345 errors, which occur when redo log writes fail, to ensure database stability and performance

intermediate Published 9 Jun 2026
Action Steps
  1. Identify the error using Oracle database logs and alerts
  2. Check the redo log configuration and block size to determine the cause of the error
  3. Run the 'alter system switch logfile' command to force a log switch and resolve the error
  4. Configure the redo log block size correctly to prevent future occurrences
  5. Monitor database performance and adjust redo log settings as needed
Who Needs to Know This

Database administrators and developers who work with Oracle databases can benefit from understanding the causes and solutions of ORA-00345 errors to troubleshoot and resolve issues efficiently

Key Insight

💡 ORA-00345 errors occur when redo log writes fail, and can be resolved by adjusting redo log configuration and block size

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Key Takeaways

Learn to identify and fix Oracle ORA-00345 errors, which occur when redo log writes fail, to ensure database stability and performance

Full Article

ORA-00345: Redo Log Write Error – Block Count Explained ORA-00345 is an Oracle database...
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