Error
Error Code: ACFS-02026

Oracle Database Error ACFS-02026: Cluster Host Name Verification Failure

📦 Oracle Database
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Description

This error indicates that Oracle ACFS cannot confirm whether the provided host names are valid members of the Oracle Clusterware cluster. It typically occurs during ACFS resource creation, configuration, or validation when the system attempts to verify the cluster membership of specified hosts, preventing the operation from proceeding.
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Error Message

unable to verify the host names passed in are part of the cluster
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Known Causes

3 known causes
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Incorrect Host Names Provided
The host names specified in the command or configuration do not exactly match the host names registered with Oracle Clusterware.
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Oracle Clusterware Health Issues
The Oracle Clusterware stack on one or more nodes may be down, misconfigured, or experiencing issues preventing it from providing accurate cluster membership information.
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Network or DNS Resolution Problems
Host names cannot be properly resolved via DNS or `/etc/hosts` entries, or network connectivity issues prevent communication required for verification.
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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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