Error
Error Code:
ACFS-03178
Oracle Database Error ACFS-03178: Snapshot Deletion During Rolling Migration
Description
This error occurs when an attempt is made to delete an ACFS snapshot while the Oracle Clusterware environment is undergoing a rolling migration. Oracle ACFS restricts snapshot operations during such critical cluster state changes to maintain system integrity and prevent data corruption or inconsistencies.
Error Message
unable to delete snapshot string while cluster is in rolling migration
Known Causes
3 known causesActive Rolling Cluster Migration
An Oracle Clusterware rolling upgrade, patch application, or other migration process is currently active across the cluster nodes, which locks certain ACFS operations.
Unrecognized Cluster State
The user or an automated process attempted snapshot deletion without confirming that the cluster had exited its rolling migration state completely.
Automated Script Conflict
An automated maintenance script or third-party tool initiated a snapshot deletion operation without first verifying the cluster's migration status.
Solutions
Coming SoonDetailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:
General Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service