Error
Error Code: ACFS-01050

Oracle Database Error ACFS-01050: Snap Map Header Write Failure

📦 Oracle Database
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Description

This error indicates a critical failure when Oracle ACFS (ASM Cluster File System) attempts to write to the snapshot map header. This typically occurs during snapshot creation, deletion, or modification operations, or during file system integrity checks, signifying a problem with ACFS metadata management.
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Error Message

write to snap map header failure
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Known Causes

4 known causes
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Underlying I/O or Storage Issues
Problems with the storage subsystem (e.g., disk failures, network issues for shared storage) can prevent successful writes to the ACFS snap map header.
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Insufficient Permissions
The user or process attempting the ACFS snapshot operation may lack the necessary operating system permissions to write to the underlying storage or ACFS structures.
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Corrupted ACFS Metadata
The ACFS snap map header itself or related metadata might be corrupted, leading to write failures even if the underlying storage is healthy.
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Resource Exhaustion
Severe resource limitations (e.g., memory, file handles) could indirectly impede ACFS operations, leading to write failures.
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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