How To Fix VIRT337 - Min. LPAR Weight IIP

SAP Error Message - Details

• Message type: E = Error

• Message class: VIRT - Virtualization Monitoring

• Message number: 337

• Message text: Min. LPAR Weight IIP

Min. LPAR Weight IIP
The minimum percentage of overall processing power(IIP) that's
guaranteed to the work in the partition within the last collection
interval.

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 VIRT337 - Min. LPAR Weight IIP ?

  The SAP error message VIRT337 "Min. LPAR Weight IIP" typically relates to issues with the configuration of the SAP system in a virtualized environment, particularly when using IBM Power Systems with Logical Partitioning (LPAR). This error indicates that the minimum weight for the LPAR is not set correctly, which can affect the performance and resource allocation for the SAP instance.
  Cause:
  
  LPAR Configuration: The error usually arises when the LPAR weight is not configured properly. The weight determines the relative importance of the LPAR in resource allocation, especially in environments where multiple LPARs are competing for resources.
  Resource Allocation: If the weight is set too low, the LPAR may not receive enough resources, leading to performance issues.
  SAP Configuration: There may be misconfigurations in the SAP system settings that do not align with the underlying hardware settings.
  
  Solution:
  
  
  Check LPAR Weight Settings:
  
  Access the IBM Power Systems management interface (such as HMC - Hardware Management Console).
  Review the weight settings for the LPAR running the SAP instance. Ensure that the weight is set to an appropriate value based on the workload requirements.
  Adjust the weight if necessary. A higher weight value gives the LPAR more priority in resource allocation.
  
  
  
  Review SAP Configuration:
  
  Ensure that the SAP instance is configured correctly to utilize the resources allocated to it.
  Check for any SAP notes or updates that may address specific configuration settings related to LPARs.
  
  
  
  Monitor Performance:
  
  After making changes, monitor the performance of the SAP system to ensure that the adjustments have resolved the issue.
  Use performance monitoring tools to track resource usage and identify any further adjustments needed.
  
  
  
  Consult Documentation:
  
  Refer to IBM documentation for LPAR configuration and SAP notes for any specific recommendations related to your version of SAP and the underlying hardware.
  
  
  
  Seek Support:
  
  If the issue persists, consider reaching out to SAP support or IBM support for further assistance. They can provide more tailored guidance based on your specific environment and configuration.
  
  
  
  Related Information:
  
  IBM Power Systems: Understanding how LPARs work in IBM Power Systems is crucial for effective resource management.
  SAP Notes: Regularly check SAP Notes for updates or patches that may address known issues related to virtualization and LPAR configurations.
  Performance Tuning: Familiarize yourself with performance tuning best practices for SAP on virtualized environments to optimize resource allocation and system performance.
  
  By addressing the LPAR weight configuration and ensuring that it aligns with the SAP system's requirements, you should be able to resolve the VIRT337 error and improve the overall performance of your SAP instance.