Error
Error Code: ACFS-07149

Oracle Database Error ACFS-07149: ACFS Metadata Corruption

📦 Oracle Database
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Description

This error indicates an inconsistency or corruption in the global metadata directory structure of an Oracle ACFS file system. It typically occurs when the internal pointers or file IDs for snapshots are incorrect, preventing proper file system operations. This is a critical file system integrity issue requiring immediate attention.
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Error Message

Global_Metadata_Directory structure has incorrect _snaps_dir_fileid value\n found: string , but expected to find: string \nfor structure:\n string
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Known Causes

4 known causes
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Underlying File System Corruption
Unexpected system crashes, power outages, or hardware failures can lead to data corruption within the ACFS metadata.
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Improper Snapshot Management
Errors during ACFS snapshot creation, deletion, or restoration processes can leave metadata in an inconsistent state.
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Oracle Software Bug
Rarely, an Oracle ACFS software bug or an incomplete patch application might introduce inconsistencies in the metadata structure.
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Storage Subsystem Problems
Issues at the underlying storage layer, such as corrupt blocks or misconfigurations, can manifest as ACFS metadata errors.
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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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