Error
Error Code:
ACFS-03179
Oracle Database Error ACFS-03179: Snapshot Creation During Rolling Migration
Description
This error indicates that an attempt to create an ACFS (Automatic Storage Management Cluster File System) snapshot failed. It specifically occurs when the Oracle Clusterware environment is actively undergoing a rolling migration or upgrade process. During such critical cluster operations, ACFS snapshot creation is temporarily restricted to ensure system stability and data integrity.
Error Message
unable to create snapshot ' string ' while cluster is in rolling migration
Known Causes
3 known causesActive Cluster Rolling Migration
The Oracle Clusterware is currently in the process of a rolling upgrade, patch application, or migration across its nodes, which temporarily disables certain ACFS operations.
Incomplete Migration State
The cluster might be in an intermediate or partially completed state following a migration, where all services are not yet fully operational or synchronized.
Cluster Resource Restrictions
During a rolling migration, Oracle Clusterware imposes temporary restrictions on resource-intensive operations like snapshot creation to prevent conflicts and maintain stability.
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