How To Fix DB6PM149 - Partition group &1 is already defined in line &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 149

• Message text: Partition group &1 is already defined in line &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DB6PM149 - Partition group &1 is already defined in line &2 ?

  The SAP error message DB6PM149 indicates that there is an issue with partitioning in the database, specifically that a partition group is already defined in the context of the operation you are trying to perform. This error typically arises when you attempt to create or modify a partition group that has already been defined in the database.
  Cause:
  
  Duplicate Definition: The most common cause of this error is that the partition group you are trying to define already exists in the database. This can happen if you are running a script or a transaction that attempts to create a partition group without checking for its existence first.
  Incorrect Configuration: There may be a misconfiguration in the partitioning setup, leading to attempts to redefine existing groups.
  Concurrent Operations: If multiple processes are trying to define the same partition group simultaneously, it can lead to this error.
  
  Solution:
  
  
  Check Existing Partition Groups: Before creating a new partition group, check the existing partition groups in the database. You can do this by querying the database metadata or using the appropriate SAP transaction codes (like DBACOCKPIT or SE14).
  
  
  Modify Instead of Create: If the partition group already exists and you need to make changes, consider using the appropriate commands to modify the existing partition group instead of trying to create a new one.
  
  
  Error Handling in Scripts: If you are running a script, implement error handling to check for the existence of the partition group before attempting to create it. This can prevent the error from occurring.
  
  
  Consult Documentation: Review the SAP documentation related to partitioning and database management for specific commands and best practices.
  
  
  Database Administration: If you are unsure about the current state of the database or how to proceed, consult with your database administrator or SAP Basis team for assistance.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to partitioning and this specific error message.
  Database Documentation: Refer to the database documentation (e.g., for HANA, Oracle, etc.) for details on managing partition groups.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered and resolved similar issues.
  
  By following these steps, you should be able to resolve the DB6PM149 error and manage your partition groups effectively.