Error
Error Code:
ACFS-07017
Oracle Database Error ACFS-07017: ACFS Metadata Read Failure
Description
This error signifies that the Oracle Automatic Storage Management Cluster File System (ACFS) encountered a critical failure while attempting to read its internal metadata from the underlying storage. It typically manifests during operations like mounting an ACFS file system, performing consistency checks, or accessing files, indicating potential corruption or accessibility issues with the ACFS volume or its storage.
Error Message
metadata read failed at disk offset: string bytes requested: number bytes returned: number
Known Causes
4 known causesUnderlying Storage Corruption
Bad sectors or logical corruption on the physical disks or LUNs hosting the ACFS volume can prevent metadata from being read correctly.
Storage Connectivity Interruption
Temporary or sustained loss of connectivity to the storage array or specific disks can make ACFS metadata inaccessible.
ACFS Volume Corruption
Logical corruption within the ACFS file system structure itself can lead to incorrect metadata pointers and failed read operations.
ASM Disk Group Issues
Problems with the underlying Automatic Storage Management (ASM) disk group, such as an offline disk or an inconsistent state, can impact ACFS metadata access.
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