How To Fix RSDD_ZA440 - Checks for indexes with more parts than active index servers available

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD_ZA - Messages from TREX Aggregate Area

• Message number: 440

• Message text: Checks for indexes with more parts than active index servers available

What causes this issue?

In a TREX system, it is not advisable to have more physical parts per
index than active index servers available. You cannot have more than 64
parts per index. See also SAP Note 1163149.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Perform the recommended action for this check.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSDD_ZA440 - Checks for indexes with more parts than active index servers available ?

  The SAP error message RSDD_ZA440 indicates that there is a mismatch between the number of index parts and the number of active index servers available in the SAP BW (Business Warehouse) system. This can occur when the system is configured to use multiple index servers, but not all of them are active or available for processing.
  Cause:
  
  Configuration Issues: The number of index parts defined in the system exceeds the number of active index servers. This can happen if some index servers are down or not properly configured.
  System Maintenance: If there has been recent maintenance or changes in the system, such as server upgrades or reconfigurations, it may lead to some index servers being inactive.
  Load Balancing: If the load balancing settings are not correctly configured, it may lead to an uneven distribution of index parts across the available servers.
  
  Solution:
  
  
  Check Active Index Servers: Verify the status of the index servers in the SAP BW system. Ensure that all intended index servers are active and running.
  
  You can check this in the SAP BW Administration Workbench or using transaction codes like RSADMIN or RSD1.
  
  
  
  Adjust Index Configuration: If there are more index parts than active servers, consider adjusting the configuration to either reduce the number of index parts or increase the number of active index servers.
  
  This may involve reconfiguring the index settings in the InfoProvider or adjusting the server settings in the BW system.
  
  
  
  Restart Index Servers: If some index servers are down, try restarting them to bring them back online.
  
  
  Review Load Balancing Settings: Ensure that the load balancing settings are correctly configured to distribute the workload evenly across the available index servers.
  
  
  Monitor System Performance: After making changes, monitor the system performance to ensure that the issue is resolved and that the index servers are functioning as expected.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or patches related to this error message.
  Documentation: Refer to the SAP BW documentation for best practices on configuring index servers and managing index parts.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  By following these steps, you should be able to resolve the RSDD_ZA440 error and ensure that your SAP BW system is functioning correctly.