Error
Error Code:
ACFS-07058
Oracle Database Error ACFS-07058: Invalid Extent Pointer
Description
This error indicates a critical inconsistency within the Oracle ASM Cluster File System (ACFS) metadata. Specifically, the `_LastExtentPointer` value for a file is found to be invalid, suggesting corruption in the file's internal structure or its allocation map. It typically occurs when ACFS attempts to access or validate the integrity of a file.
Error Message
file with local extents has invalid _LastExtentPointer value\n found: string , but expected to find: 0\nfor file:\n string
Known Causes
3 known causesACFS File System Corruption
Unexpected power outages, system crashes, or logical errors can lead to the corruption of ACFS metadata, including extent pointers.
Underlying Storage Issues
Hardware failures in disks, RAID controllers, or storage interconnects can result in data corruption that manifests as invalid ACFS metadata.
Oracle ACFS Software Defects
In rare cases, an Oracle ACFS software bug might cause incorrect writes or reads of file system metadata, leading to this error.
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