Error
Error Code: ACFS-07086

Oracle Database Error ACFS-07086: Invalid ACFS File Allocation Size

📦 Oracle Database
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Description

This error indicates that a file within an Oracle ACFS (Automatic Storage Management Cluster File System) has an `_AllocationSize` metadata value that is not valid for the file system's configured block size or allocation unit. It typically occurs during file operations, such as creation, modification, or access, when the file's internal allocation information is inconsistent with the underlying ACFS structure.
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Error Message

file has _AllocationSize value that is invalid for the file system
 found: string , but expected to find: multiple of string 
for file:
 string
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Known Causes

3 known causes
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ACFS File System Corruption
Underlying file system corruption, possibly due to unexpected shutdowns or software issues, can lead to incorrect metadata values for files, including `_AllocationSize`.
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Misconfigured ACFS Creation
The ACFS file system might have been created or expanded with parameters that conflict with the expected allocation unit sizes for its files or the underlying disk groups.
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Underlying Storage Issues
Problems with the storage hardware, array, or network (for shared storage) can cause data corruption or misreporting of file metadata to ACFS.
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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