How To Fix ESH_HANA_ADMIN235 - No replica node selected

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_HANA_ADMIN - ESH HANA Index Administration

• Message number: 235

• Message text: No replica node selected

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_HANA_ADMIN235 - No replica node selected ?

  The SAP error message ESH_HANA_ADMIN235: No replica node selected typically occurs in the context of SAP HANA when there is an issue related to the configuration or selection of replica nodes in a high-availability (HA) or distributed environment. This error indicates that the system is unable to find a suitable replica node to perform a certain operation, such as a failover or a data replication task.
  Causes:
  
  Configuration Issues: The replica nodes may not be properly configured in the SAP HANA system. This could include missing or incorrect settings in the HANA configuration files.
  Network Issues: There may be network connectivity problems between the primary node and the replica nodes, preventing the system from recognizing available replicas.
  Replica Node Status: The replica nodes may be down or not in a ready state, making them unavailable for selection.
  Insufficient Permissions: The user or process attempting to access the replica nodes may not have the necessary permissions to view or select them.
  Version Mismatch: There could be a version mismatch between the primary and replica nodes, leading to compatibility issues.
  
  Solutions:
  
  Check Configuration: Verify the configuration of the HANA system to ensure that all replica nodes are correctly defined and configured. This includes checking the global.ini and nameserver.ini files.
  Node Status: Use the SAP HANA Studio or HANA Cockpit to check the status of the replica nodes. Ensure that they are up and running and in a healthy state.
  Network Connectivity: Test the network connectivity between the primary and replica nodes. Ensure that there are no firewall rules or network issues blocking communication.
  Permissions: Ensure that the user or service account has the necessary permissions to access and manage the replica nodes.
  Review Logs: Check the HANA logs for any additional error messages or warnings that could provide more context about the issue.
  Restart Services: If the issue persists, consider restarting the HANA services on the affected nodes to refresh their state.
  Consult Documentation: Refer to the official SAP HANA documentation for guidance on configuring and managing replica nodes.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  HANA Administration Guide: Review the SAP HANA Administration Guide for best practices on managing high-availability configurations and replica nodes.
  
  If the problem continues after trying the above solutions, it may be necessary to contact SAP support for further assistance.