Error
Error Code: ACFS-07064

Oracle Database Error ACFS-07064: ACFS File Metadata Inconsistency

📦 Oracle Database
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Description

This error indicates a critical inconsistency in the Oracle ACFS (Automatic Storage Management Cluster File System) metadata. Specifically, the internally recorded allocation size for a file does not match the actual sum of its data extents on disk. It points to potential file system corruption or a serious issue during file operations.
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Error Message

file _AllocationSize value not equal to sum of extents
 found: string , but expected to find: string 
for file:
 string
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Known Causes

4 known causes
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ACFS Metadata Corruption
The internal structures that manage file allocation within ACFS have become corrupted, leading to a discrepancy between the recorded and actual file sizes.
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Unexpected System Shutdown
An abrupt power loss or an ungraceful system shutdown during a file system operation can leave ACFS metadata in an inconsistent state.
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Underlying Storage Issues
Problems with the physical storage devices, such as disk failures or RAID controller issues, can lead to corruption of ACFS data and metadata.
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Software Bug or Incompatibility
In rare cases, a bug within the Oracle ACFS software or an incompatibility with the operating system or storage drivers might cause metadata inconsistencies.
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Solutions

Coming Soon

Detailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:

General 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