Error
Error Code: ACFS-05986

Oracle Database Error ACFS-05986: Sparse Backup on Snapshot

📦 Oracle Database
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Description

This error indicates an attempt to apply a sparse Oracle ACFS backup directly to an ACFS snapshot. ACFS snapshots are read-only copies and cannot be modified by applying a sparse backup in this manner, leading to an operation failure.
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Error Message

A sparse backup cannot be applied to a snapshot.
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Known Causes

3 known causes
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Applying Backup to Snapshot
The `acfsutil backup apply` command was executed, targeting a sparse backup file to an existing ACFS snapshot directory.
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Misconfigured Recovery Plan
The disaster recovery or restore procedure incorrectly specified an ACFS snapshot as the target for applying a sparse backup.
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Misunderstanding ACFS Behavior
Lack of awareness that ACFS snapshots are immutable and cannot be directly altered by applying incremental (sparse) backups.
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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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