How To Fix SDBALM161 - Data collection through file access to: knldiag.err

SAP Error Message - Details

• Message type: E = Error

• Message class: SDBALM - SAP DB and liveCache Alert Monitoring

• Message number: 161

• Message text: Data collection through file access to: knldiag.err

Description
Preset runtime interval: 1 hour (3,600 seconds)
This data collector is not yet activated.

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 SDBALM161 - Data collection through file access to: knldiag.err ?

  The SAP error message SDBALM161 indicates an issue related to data collection through file access, specifically pointing to the file knldiag.err. This error typically arises in the context of SAP's database performance monitoring and diagnostics, particularly when the system is trying to access or read diagnostic files that are necessary for performance analysis.
  Cause:
  
  File Access Issues: The error may occur if the knldiag.err file is missing, inaccessible, or has incorrect permissions set, preventing the SAP system from reading it.
  File Corruption: The file may be corrupted or improperly formatted, leading to read errors.
  Database Issues: There may be underlying issues with the database that are causing the diagnostic file to be generated incorrectly or not at all.
  Configuration Problems: Incorrect configuration settings in the SAP system or database may lead to issues in accessing diagnostic files.
  
  Solution:
  
  Check File Existence: Verify that the knldiag.err file exists in the expected directory. If it does not, you may need to regenerate it or check the database logs for any issues.
  Permissions: Ensure that the SAP system has the necessary permissions to access the file. You may need to adjust the file permissions or ownership.
  File Integrity: If the file exists but is corrupted, you may need to delete it and allow the system to recreate it. Monitor the system to see if the file is generated correctly afterward.
  Database Health Check: Perform a health check on the database to ensure that it is functioning correctly. Look for any other error messages or logs that may indicate underlying issues.
  Configuration Review: Review the configuration settings related to database diagnostics and ensure they are set correctly. This may involve checking SAP notes or documentation for specific configurations related to your database version.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  Related Information:
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. They can provide more specific guidance based on your system configuration and version.
  Documentation: Review the SAP documentation related to database performance monitoring and diagnostics for additional context and troubleshooting steps.
  System Logs: Check the system logs (transaction SM21) for any related error messages that may provide more insight into the issue.
  
  By following these steps, you should be able to diagnose and resolve the SDBALM161 error effectively.