How To Fix DB6CK126 - Check if database partition layout has changed

SAP Error Message - Details

• Message type: E = Error

• Message class: DB6CK - DB6: System Check Messages

• Message number: 126

• Message text: Check if database partition layout has changed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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 DB6CK126 - Check if database partition layout has changed ?

  The SAP error message DB6CK126, which states "Check if database partition layout has changed," typically indicates an issue related to the database partitioning in an SAP system. This error can arise during database checks or when performing operations that require consistency in the database structure.
  Cause:
  
  Database Partition Changes: The error often occurs if there have been changes to the database partition layout, such as adding, removing, or modifying partitions.
  Inconsistent Metadata: If the metadata in the SAP system does not match the actual database structure, this can lead to inconsistencies and trigger this error.
  Database Migration or Upgrade: If the database has been migrated or upgraded, the partition layout may have changed, leading to this error.
  Corrupted Database: In some cases, corruption in the database can lead to inconsistencies in the partition layout.
  
  Solution:
  
  Check Database Configuration: Verify the current database partition layout against the expected configuration in the SAP system. This can often be done using database administration tools or SQL queries.
  Update Metadata: If there are discrepancies, you may need to update the metadata in the SAP system to reflect the current database structure. This can involve running specific SAP transactions or programs designed to synchronize metadata.
  Database Consistency Check: Perform a consistency check on the database to identify and resolve any issues. This may involve using database-specific tools or commands.
  Review Recent Changes: If the error occurred after a recent change (e.g., a migration, upgrade, or configuration change), review those changes to identify any potential issues.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. SAP Notes often contain patches, workarounds, or additional troubleshooting steps.
  Backup and Restore: If the issue persists and is critical, consider restoring the database from a backup taken before the changes were made, if applicable.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for your specific version and database type for detailed instructions on managing database partitions.
  Database Administration: Familiarize yourself with the database administration tools and commands specific to your database (e.g., Oracle, SQL Server, HANA) to effectively manage and troubleshoot partition layouts.
  SAP Community: Engage with the SAP Community forums to seek advice from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your database administrator or SAP support for further assistance.