How To Fix D4418 - SAP/OS400 roll management: Extent size of roll area

SAP Error Message - Details

• Message type: E = Error

• Message class: D4 - DB2/400 specific messages

• Message number: 418

• Message text: SAP/OS400 roll management: Extent size of roll area

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message D4418 - SAP/OS400 roll management: Extent size of roll area ?

  The SAP error message D4418, which pertains to SAP/OS400 roll management, indicates an issue with the extent size of the roll area. This error typically arises when the roll area is not adequately sized to handle the workload, leading to performance issues or failures in processing.
  Cause:
  
  Insufficient Roll Area Size: The roll area may be too small to accommodate the data being processed, especially during peak loads or when handling large transactions.
  Configuration Issues: Incorrect configuration settings for the roll area in the SAP system can lead to this error.
  Memory Limitations: The underlying hardware or operating system may have limitations that prevent the roll area from being expanded as needed.
  
  Solution:
  
  
  Increase Roll Area Size:
  
  You can increase the size of the roll area by adjusting the parameters in the SAP profile. The parameters to look for are rdisp/roll_area and rdisp/roll_extension.
  Use transaction code RZ10 to modify the instance profile and increase the roll area size.
  After making changes, restart the SAP instance for the changes to take effect.
  
  
  
  Check System Resources:
  
  Ensure that the system has enough memory and resources available to support the increased roll area size.
  Monitor the system performance and resource utilization to identify any bottlenecks.
  
  
  
  Review Configuration:
  
  Review the configuration settings for the roll area and ensure they are set according to the best practices for your specific SAP environment.
  Consult SAP documentation or support for recommended settings based on your system's workload.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may provide additional guidance or patches related to this error.
  
  
  
  Related Information:
  
  Roll Area: The roll area is a memory area used by SAP to store data that cannot fit into the main memory. It is crucial for managing user sessions and processing transactions.
  Transaction Codes: Familiarize yourself with transaction codes like RZ10 (to change profile parameters) and SM51 (to monitor SAP instances).
  Performance Monitoring: Use tools like ST02 (buffer management) and ST03 (workload analysis) to monitor system performance and identify potential issues related to memory and roll area usage.
  
  If the problem persists after making the necessary adjustments, it may be beneficial to engage with SAP support for further assistance.