How To Fix RSDD_ZA091 - Reorganize BW Accelerator landscape

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD_ZA - Messages from TREX Aggregate Area

• Message number: 091

• Message text: Reorganize BW Accelerator landscape

What causes this issue?

How to fix this error?

This action reorganizes the index on the blades in order to obtain an
even distribution of indexes and to improvie the load ont eh system.
During reorganization, the search function will still be available, but
BW accelerator will be locked against other actions.
You can start this action from the BW system.

System Response

This action starts automatic reorganization of the BWA landscape. The
associated messages for the action are displayed in the extensive BW
accelerator monitor in the BWA action messages area. They will also be
written to a application log. (Object : 'RSDDTZA', Subobject:
'ACTIONS')

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSDD_ZA091 - Reorganize BW Accelerator landscape ?

  The SAP error message RSDD_ZA091, which indicates the need to "Reorganize BW Accelerator landscape," typically arises in the context of SAP BW (Business Warehouse) systems that utilize the SAP BW Accelerator (BWA) for improved query performance. This error suggests that there are issues with the BWA landscape that need to be addressed to ensure optimal performance and functionality.
  Cause:
  The error can be caused by several factors, including:
  
  Data Inconsistencies: There may be inconsistencies in the data stored in the BWA, which can occur due to failed data loads or other operational issues.
  Outdated Indexes: The indexes used by the BWA may be outdated or not properly maintained, leading to performance degradation.
  Configuration Issues: There may be configuration issues within the BW system or the BWA landscape that need to be resolved.
  Resource Limitations: The BWA may be running low on resources, such as memory or disk space, which can affect its ability to function properly.
  
  Solution:
  To resolve the RSDD_ZA091 error, you can follow these steps:
  
  
  Reorganize the BWA Landscape:
  
  Use the transaction code RSD1 to access the InfoProvider and check the status of the BWA.
  Execute the "Reorganize" function for the relevant InfoProviders. This can help rebuild the indexes and resolve inconsistencies.
  
  
  
  Check Data Consistency:
  
  Ensure that all data loads to the BW system are successful and that there are no inconsistencies in the data.
  Use the transaction RSA1 to monitor data loads and check for any errors.
  
  
  
  Update Indexes:
  
  You can manually trigger the update of indexes for the BWA using the transaction RSD1 or through the relevant BW administration tools.
  
  
  
  Monitor System Resources:
  
  Check the system resources allocated to the BWA. Ensure that there is sufficient memory and disk space available.
  If necessary, consider increasing the resources allocated to the BWA.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may provide additional guidance or patches related to this error.
  
  
  
  System Restart:
  
  In some cases, restarting the BWA or the BW system may help resolve temporary issues.
  
  
  
  Related Information:
  
  SAP BW Accelerator Documentation: Review the official SAP documentation for BW and BWA for best practices on maintenance and optimization.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if you have a support contract.
  
  By following these steps, you should be able to address the RSDD_ZA091 error and restore the functionality of your BW Accelerator landscape.