Error
Error Code:
ACFS-07143
Oracle Database Error ACFS-07143: ACFS Metadata Inconsistency
Description
This error indicates a critical inconsistency within the internal metadata structure of an ASM Cluster File System (ACFS). Specifically, a vital `_mmap_log_fileid` value in the `Global_Metadata_Directory` is found to be incorrect, preventing ACFS operations. It typically occurs during ACFS mount attempts or file system checks.
Error Message
Global_Metadata_Directory structure has incorrect _mmap_log_fileid value found: string , but expected to find: string for structure: string
Known Causes
4 known causesACFS Metadata Corruption
Critical metadata within the ACFS file system, such as the `_mmap_log_fileid`, has become corrupted or inconsistent.
Abrupt System Shutdown
An unexpected power failure or system crash during active ACFS operations can lead to metadata inconsistencies.
Software Bug or Patch Issue
A software defect or an incomplete/failed patch application might have left the ACFS metadata in an invalid state.
Underlying Storage Problems
Issues with the ASM disk groups or the physical storage infrastructure can manifest as ACFS metadata corruption.
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