The RMFMC4 query shows the average MSU usage of z/OS LPARs at the RMF interval level and includes the four hour rolling MSU average. All z/OS LPARs are accounted for. This query is similar to the RMFMCL query previously described, but has the additional benefit of showing the four hour rolling MSU average which is only available for z/OS LPARs. The query generates two separate data extracts. One for z/OS LPARs that have defined capacity limits, and the other for z/OS LPARs with no defined capacity limits. One of the uncapped LPARs for each CPC is the ‘PHYSICAL’ LPAR that captures PR/SM overhead.
The top example shows the average MSU usage chart for a z/OS LPAR (PRSMLPNM=’CA31’) running on an IBM z10 2097-712 CPC. The RMF intervals records were generated at 15-minute intervals, and the LPAR has a defined capacity limit of 455 MSUs. The second example shows the average MSU usage chart for another LPAR (PRSMLPNM=’CA13’) on the same CPC. The RMF intervals records were also generated at 15-minute intervals. This second LPAR has no defined capacity limit.
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