Error
Error Code: ACFS-01049

Oracle Database Error ACFS-01049: ACFS Snapshot Map Header Failure

📦 Oracle Database
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Description

This error indicates that Oracle ACFS (Automatic Storage Management Cluster File System) encountered a critical problem when attempting to read or access the metadata related to a file system snapshot, specifically its map header. It typically points to corruption within the ACFS file system structure or underlying storage issues, making snapshots inaccessible or the file system unstable. This error commonly occurs during operations involving snapshots, file system checks, or recovery attempts.
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Error Message

seek to snap map header failure
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Known Causes

4 known causes
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ACFS File System Corruption
The ACFS file system metadata, particularly the snapshot map header, has become corrupted due to unexpected shutdowns, hardware failures, or software bugs.
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Underlying Storage Problem
Issues with the disk, storage array, or network storage can prevent ACFS from correctly reading critical snapshot metadata, leading to seek failures.
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Snapshot Inconsistency
An inconsistency or corruption within the snapshot's internal structure itself can cause a failure when ACFS attempts to access its map header.
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Oracle ACFS Software Bug
In rare cases, a software defect within Oracle ACFS could lead to incorrect handling or access of snapshot map headers, resulting in this error.
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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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