Error
Error Code: ACFS-05920

Oracle Database Error ACFS-05920: Invalid SSH Cipher for Replication

📦 Oracle Database
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Description

This error signifies that the specified SSH cipher option, used for secure communication in Oracle ACFS (ASM Cluster File System) replication, is not valid or recognized by the system. It typically arises when configuring ACFS replication and the underlying SSH connection cannot establish due to an incorrect or unsupported cipher string.
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Error Message

ssh cipher option string is invalid for replication
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Known Causes

3 known causes
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Incorrect Cipher String Syntax
The specified SSH cipher option contains a typo, an extra space, or is not formatted according to the SSH client/server's expected syntax.
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Unsupported Cipher Algorithm
The SSH cipher algorithm specified is not supported by the version of SSH client/server or the underlying operating system libraries on one of the replication nodes.
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Cipher Mismatch Between Nodes
The SSH cipher configurations on the source and target ACFS replication nodes are inconsistent, leading to a negotiation failure during connection establishment.
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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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