Error
Error Code: ACFS-07049

Oracle Database Error ACFS-07049: ACFS Extent List Inconsistency

📦 Oracle Database
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Description

This error indicates a critical metadata inconsistency within an Oracle ACFS file system. It occurs when the file system's internal tracking of a file's data extents (physical storage locations) does not match the expected count, pointing to potential corruption in the ACFS metadata structure for the specified file.
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Error Message

extent list has more nodes than expected
 found: number , but expected to find: number 
for file:
 string
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Known Causes

4 known causes
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ACFS Metadata Corruption
Damage to the ACFS metadata structures on disk can lead to inconsistencies in how file extents are recorded.
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Underlying Storage Hardware Failure
Faulty disk drives, RAID controllers, or storage arrays can introduce data corruption during read/write operations to the ACFS volume.
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Abnormal System or ACFS Shutdown
An unclean shutdown of cluster nodes or ACFS services can leave file system metadata in an inconsistent state.
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Unexpected Power Loss
Sudden power interruption during critical write operations can prevent ACFS metadata updates from completing correctly.
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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

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