Error
Error Code:
ACFS-07115
Oracle Database Error ACFS-07115: ACFS Bitmap File Size Mismatch
Description
This error indicates a critical inconsistency within the Oracle Automatic Storage Management Cluster File System (ACFS) metadata, specifically concerning the `Local_Bitmap` and its expected file size. It signifies that the file system's internal tracking of free and used space is corrupted or misaligned, preventing ACFS from operating correctly. This error typically occurs during ACFS volume operations, mounting, or after unexpected system events.
Error Message
Local_Bitmap has incorrect _FileSize value found: string , but expected to find: 0 for file: string
Known Causes
3 known causesUnderlying Storage Corruption
Physical disk failures, RAID controller issues, or other forms of data corruption in the underlying storage infrastructure can directly affect ACFS metadata.
Abrupt System Termination
An unexpected power loss, operating system crash, or forced shutdown during active ACFS operations can leave the file system metadata in an inconsistent state.
ACFS Internal Software Issue
In rare instances, a software bug within the ACFS code or an inconsistency introduced by an update might lead to incorrect metadata values.
Solutions
Coming SoonGeneral 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