System z Integrated Information Processor (zIIP)

To assist in planning for zIIP, components of z/OS have been enhanced to report both projected zIIP usage and actual zIIP usage.
The projected usage function (PROJECTCPU) is intended to gather information about CPU time spent executing code which could potentially execute on zIIPs.
See Capacity Planning for zAAP and zIIP Specialty Engines
Note

• Setting the IEAOPTxx parmlib member option PROJECTCPU=YES directs z/OS to record the amount of work eligible for zIIP [and zAAP] processors. SMF Record Type 72 subtype 3 is input to the RMF post processor. The Workload Activity Report lists workloads by WLM service class. In this report the field APPL% IIPPCP indicates which percentage of an processor is zIIP eligible, (APPL% AAPCP indicates which percentage of a processor is zAAP eligible). SMF Record Type 30 provides more detail on specific address spaces. Finding values as little as 25% for APPL% AAPCP or AAPL% IIPCP can make a new zAAP or zIIP processor worth your while.

For customers that have installed zIIPs, the reporting functions can provide current zIIP execution information that can be used for optimizing current configurations or for predicting potential future usage.
To assist in planning for zIIP Assisted IPSec, please see the technical papers on the underResources for basic sizing guidance for your workload.

***   http://www-03.ibm.com/systems/z/hardware/features/ziip/gettingstarted/index.html

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Planning Considerations for Running zAAP Work on zIIPs (ZAAPZIIP) IBM® Kathy Walsh

http://www-03.ibm.com/support/techdocs/atsmastr.nsf/5cb5ed706d254a8186256c71006d2e0a/36f89ed84ae9328b862576d9007e5f12/$FILE/zaapziip_v3.pdf

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zAAP on zIIP Capability

zAAP on zIIP capability

Beginning with z/OS V1.11, z/OS added a capability that can enable System z Application Assist Processor (zAAP) eligible workloads to run on System z Integrated Information Processors (zIIPs). This function can enable you to run zIIP- and zAAP-eligible workloads on the zIIP. This capability is ideal for customers without enough zAAP- or zIIP-eligible workload to justify a specialty engine today; the combined eligible workloads may make the acquisition of a zIIP cost effective, and may simplify planning activities. This capability is also intended to provide more value for customers having only zIIP processors by making Java and XML-based workloads eligible to run on existing zIIPs. This capability is not available for z/OS LPARS if zAAPs are installed on the server; additional terms and conditions apply.

Requirements include

System z9 or z10 with zIIPs.
The zAAP on zIIP capability is not available if z/OS is in an LPAR and zAAPs are installed on the machine.
zIIP to CP ratio of no more than 1:1; the number of zIIPs cannot exceed the number of CPs.
z/OS V1.11 and above, and z/OS 1.9 and 1.10 (with PTF for APAR OA27495).
New ZZ system parameter : ZAAPZIIP=YES or NO (or ZZ=YES or NO) YES = enabled

Note:
Planned Support for zAAPs and zIIPs

The IBM zEC12 is planned to be the last high-end System z server to offer support for zAAP specialty engine processors. IBM intends to continue support for running zAAP workloads on zIIP processors (“zAAP on zIIP”).Customer should consider planning for further use of zIIPs or alternatively, zAAPs on zIIPs.

Simplified Testing for zAAP on zIIP

Also IBM APAR OA38829 for z/OS V1.12 and z/OS V1.13 removes the restriction that prevents zAAP-eligible workloads from running on zIIP processors when a zAAP is installed on the server. This is intended for migration and testing purposes only, to facilitate migration of zAAP workloads onto zIIP processors.

* All statements regarding IBM future direction and intent are subject to change or withdrawal without notice, and represents goals and objectives only.

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IBM Software support lifecycle - z/OS 1.13.x

z/OS 1.13.x

The announcement letter dates below are US only. Information for other country announcements is available on the IBM Offering Information page.

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z/OS

Version

1.13.x

PID

5694-A01

License type¹

ICA

Lifecycle dates², announcement letters³ and other information

GA

30-Sep-2011, 211-252

EOS

30-Sep-2016

Lifecycle policy⁴

Standard

Comment

Planned EOS Date. See April 11, 2012 SOD RFA# 212-086

Last updated: 09-May-2012.

Notes

1. Visit IBM's base license agreement information page for more information about ILAN and IPLA licenses. IBM Customer Agreement (ICA) terms are provided with your ICA Program software; you can also read an online version of the ICA (PDF format; get theAdobe Acrobat Reader).
2. Lifecycle date definitions:

   General Availability (GA)

   The latest date that a version/release of the product is available to all users, regardless of language or media. A product version/release is not published on the Lifecycle web site until the GA date.

   End of Support (EOS)

   The last date on which IBM will deliver standard support services for a given version/release of a product.

   End of Marketing (EOM)

   The effective date on which a part number ceases to be included as active and can no longer be ordered in standard price lists.

3. Some announcement letters may not be available for some product releases.
4. Visit IBM's software support lifecycle policy page for more information.

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