z/OS 2.1 Enhancements

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z/OS 2.1 Enhancements

In addition to support for z/OS Version 2.1, following updates are included:

Physical CPU Adjustment Factor Derivation Update

With z/OS Version 2 Release 1, the SMF type 70 subtype 1 CPU Activity record is extended with a new physical CPU adjustment factor based on the Model Capacity Rating (SMF70CPA_actual). This value, together with the new scaling factor (SMF70CPA_scaling_factor) field replaces the existing physical CPU adjustment factor (SMF70CPA) that was based on the alternate CPU capability.

Support for this enhancement is provided as an update to the derivation of the Physical CPU Adjustment Factor (IPUSUSEC) data element in the Individual Processor Activity (HARIPU) file:

For systems executing at z/OS Version 2 Release 1, IPUSUSEC is computed using the following formula:

16000000 * SMF70CPA_scaling_factor
IPUSUSEC = 	----------------------------------------------------
SMF70CPA_actual

For earlier systems, IPUSUSEC is still equal to 16000000 divided by the value input from field SMF70CPA.

IPUSUSEC is used to convert CPU times into service units, and as a consequence of this update, the following data elements are also affected:

File: HARCPU - CPU Activity File

Data Data

Element Element

Name Label

-------- ---------------------------------------

CPUAVMSU Avg Number of Consumed MSUs

CPUMNMSU Minimum Number of Consumed MSUs

CPUMXMSU Maximum Number of Consumed MSUs

CPUSUSEC Physical CPU Adjustment Factor

CPUTOMSU Actual Number of Consumed MSUs

File: HARLPC - PR/SM LPAR Config/Activity File

Data Data

Elemen Element

Name Label

-------- ---------------------------------------

LPCAVMSU Avg Number of Consumed MSUs

LPCMNMSU Minimum Number of Consumed MSUs

LPCMXMSU Maximum Number of Consumed MSUs

LPCTOMSU Actual Number of Consumed MSUs

New 10 Gigabits/Second Ethernet Channel Port Support

The ESS Adapter Type (ELSATYPE) data element in the ESS Link Statistics (HARELS) file can now contain the value 'Ether 10Gb' in support of Ethernet Adapter Links running at 10 Gigabits per second.