How To Fix DB6PM480 - No SAP WLM setup allowed if a BLU table exists; see SAP Note 1152411

SAP Error Message - Details

• Message type: E = Error

• Message class: DB6PM - DB2 UDB for UNIX, Windows: Performance Monitoring

• Message number: 480

• Message text: No SAP WLM setup allowed if a BLU table exists; see SAP Note 1152411

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DB6PM480 - No SAP WLM setup allowed if a BLU table exists; see SAP Note 1152411 ?

  The SAP error message DB6PM480 indicates that there is an issue with the workload management (WLM) setup in the context of SAP HANA when a BLU (columnar) table exists. This error typically arises when there is an attempt to configure or modify the WLM settings while BLU tables are present in the database.
  Cause:
  The error occurs because SAP HANA does not allow the configuration of WLM settings if there are existing BLU tables. This is a restriction in the system to ensure that the performance and resource management of the database are not compromised. BLU tables utilize a different storage and processing mechanism that is incompatible with certain WLM configurations.
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check for BLU Tables: Identify if there are any BLU tables in your database. You can do this by querying the system catalog or using the SAP HANA Studio.
  
  
  Remove or Convert BLU Tables: If possible, consider removing or converting the BLU tables to row-based tables if your application allows for it. This may involve exporting the data, dropping the BLU tables, and then recreating them as row-based tables.
  
  
  Adjust WLM Settings: If you need to configure WLM settings, ensure that there are no BLU tables present in the database. Once you have removed or converted the BLU tables, you can proceed with the WLM setup.
  
  
  Consult SAP Notes: Refer to SAP Note 1152411 for detailed guidance and any additional considerations specific to your version of SAP HANA. This note may provide further insights or updates regarding the handling of WLM and BLU tables.
  
  
  Testing: After making the necessary changes, test the WLM configuration to ensure that it is functioning as expected without any errors.
  
  
  Related Information:
  
  SAP HANA Documentation: Review the official SAP HANA documentation for more information on workload management and the differences between BLU and row-based tables.
  Performance Considerations: Understand the implications of using BLU tables versus row-based tables in terms of performance and resource utilization.
  SAP Support: If you continue to experience issues or if the situation is complex, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to resolve the DB6PM480 error and successfully configure your WLM settings in SAP HANA.