Error
Error Code:
ACFS-07101
Oracle Database Error ACFS-07101: Invalid ACFS File Timestamp
Description
The ACFS-07101 error indicates that Oracle Automatic Storage Management Cluster File System (ACFS) has detected an inconsistency in the `_TimeLastChanged` metadata attribute for a specific file. This typically occurs when ACFS file system metadata becomes corrupted or is out of sync, potentially due to underlying storage issues or improper system operations.
Error Message
file has invalid _TimeLastChanged value\n found: string , but expected to find: string \nfor file:\n string
Known Causes
3 known causesACFS Metadata Corruption
The `_TimeLastChanged` value stored in the ACFS metadata for the file is corrupted, leading to an inconsistency detected by the file system.
Underlying Storage Issues
Problems with the disk, SAN, or NAS storage where ACFS resides can lead to data integrity issues, causing ACFS to read incorrect or outdated metadata.
Unclean System Operations
Abrupt system shutdowns, power outages, or forced dismounts of ACFS volumes can prevent metadata from being properly flushed and synchronized, leaving it in an inconsistent state.
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