IBM z/OS and z/OSMF: Significant New Function APARS and Web Deliverables

A number of enhancements are planned for z/OS and z/OSMF in PTFs and in web deliverables over the next several months, ahead of z/OS V2.1 release availability planned for the second half of 2013. These include not only functions designed to support and exploit capabilities of the newest servers, but other important capabilities as well.

Please monitor and bookmark this page to learn about significant interim product enhancements

IBM Enterprise zEC12 Exploitation

z/OS exploitation of many of the IBM zEnterprise EC12 (zEC12) features and functions, including improved channel load balancing, a new I/O processing delay measurement, Coupling Facility write-around support, and 100-way symmetric multiprocessing (SMP) support in a single LPAR, is provided with the software requirements that were included in the August 28th IBM zEnterprise EC12 announcement


  • Flash Express exploitation is now provided with z/OSV1R13 on December 14th, 2012 with the z/OS V1R13 RSM Enablement Offering we deliver.  See the z/OS Downloads site
  • 2 GB page support is now available with the following APARs :
  • OA40967 provides support for 2GB pages via enhancements to the IARV64 service
  • OA40968 provides support to configure SCM increments off-line via a z/OS operator command, and allows the PLPA and COMMON paging data sets to be optional.
  • Hardware transactional memory support is planned for z/OS V1.13 with PTFs on running on IBM zEnterprise EC12 (zEC12) servers. Watch this space for information about the availability of planned exploiters.
  • XL C/C++ compiler support for new instructions and facilities of zEC12 servers is planned for z/OS V1.13 with a PTF, with new ARCH(10) and TUNE(10) compiler options intended to help optimize code intended to run on these servers
  • Support for the new cryptography functions available on IBM zEnterprise EC12 (zEC12) servers is planned to be available on September 19, 2012, with the Cryptographic Support for z/OS V1R12-V1R13 web deliverable, available at z/OS Downloads

Significant Functions

Additional z/OSMF functions are planned to be announced in future SPEs, as appropriate.

Also continue to consult these pages to get more information on updates.

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