KM5_LPAR_Cap_Warn
KM5_LPAR_Cap_Warn detects when an LPAR is being soft-capped. This
situation is raised if the average physical standard CP resource consumed
by the LPAR has exceeded its Defined MSU Capacity (WLM Soft Cap) or
its entitled limit based on guaranteed physical standard CP resources
over the last 4 hours. This situation is also true if the LPAR is
a member of an LPAR group and it is being soft-capped by the LPAR
group 4-Hour MSU Limit being exceeded. The formula is:
System_CPU_Utilization.Percent_LPAR_MSU_Capacity *GE 100.0
*OR (System_CPU_Utilization.Average_Unused_Group_MSUs *LE 0
*AND System_CPU_Utilization.LPAR_Group_Capacity_Limit *GT 0)If a WLM soft cap is defined for the LPAR, consider re-evaluating this limit based on the service goals of the workload or workloads running on the LPAR.
Check that LPAR weights are established such that the LPAR is getting a sufficient share of the CPC’s physical CPU resources. This applies if the CPC physical CPU resources are not fully used at the time of the high utilization and the entitled physical standard CP resource available to the LPAR is insufficient to meet workload demands.
In the case of capping due to the LPAR group 4-Hour Rolling Average MSU Limit being exceeded, the consumption of CPU resources across all the LPAR Group members requires evaluation.