IBM z/OS Version 2 Release 3 enhancements

IBM Asia Pacific Software Announcement AP18-0225
May 15, 2018

Table of contents
OverviewOverviewAP distributionAP distribution
Statement of general directionStatement of general direction

At a glance

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IBM's z/OS® V2.3 operating system delivers innovations designed to build the highly scalable and highly securable next-generation infrastructure needed. z/OS V2.3 delivers the performance, availability, scale, I/O support, and security to provide the infrastructure, on or off premises or provisioned as-a-service, that allows for instant reacting to business opportunities.

This z/OS V2.3 announcement describes new capabilities designed to support:

  • IBM® z/OSMF
  • IBM Cloud™ Provisioning and Management for z/OS
  • z/OS Communication Server's Inbound Workload Queuing (IWQ) support for QDIO interfaces
  • Installation for IBM z14™ Model ZR1

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z/OSMF enhancements

The following updates have been made for z/OSMF:

  • The z/OSMF Workflows task supports the ability to log on to any system in a sysplex to run a job, REXX script, or UNIX® script in local and remote systems with PTFs for APAR PI92884.
  • The z/OSMF WebISPF (z/OSMF Classic ISPF interface) task supports opening ISPF on remote systems in the local sysplex on which z/OSMF is running with PTFs for APAR PI94193.
  • z/OSMF REST TSO/E address space services support initiating TSO/E address spaces and applications on other systems in the sysplex with PTFs for APAR PI92905.
  • The default location of the z/OSMF user directory is changed from /var to /global with the PTF for APAR PI92211, with updated samples. This is intended to make it easier to use the z/OSMF defaults for z/OSMF-based applications with sysplex scope to remain synchronized with sysplex-scoped data repositories such as RACF® databases and TCP/IP profile data sets, to make it easier to move the z/OSMF server to different z/OS systems within a sysplex, and to help simplify automatic recovery from LPAR or z/OSMF server failures. The /var location is still supported. No user action is needed if existing z/OSMF users determine to stay at /var.
  • z/OSMF will support Liberty with PTFs for APAR PI96793.

IBM Cloud Provisioning and Management for z/OS enhancements

IBM Cloud Provisioning and Management for z/OS plans to deliver additional enhancements to the z/OS platform's cloud capabilities with PTFs for APAR PI96931. These additional cloud capabilities are designed to enable you to:

  • Simplify security setup for cloud provisioning. A new sample IZUPRSEC is provided to configure security for cloud provisioning and management plug-in. After this initial configuration, middleware system programmers can simply create and test-run middleware templates without requiring any intervention by z/OS system programmers and security administrators.
  • Consume REST APIs described in the Swagger specification. Cloud architects can easily view the constructs of the Cloud Provisioning and Management REST APIs through the use of Swagger so z/OS can be incorporated into their cloud offerings.

These enhancements will be available with PTFs for APAR PI96931.

IWQ support for IPSEC

In support of OSA-Express6S, z/OS Communication Server's Inbound Workload Queuing (IWQ) support (enabled with INBPERF DYNAMIC WORKLOADQ) for QDIO interfaces (OSD CHPID type) is enhanced to add a new input queue in support of IPSEC network traffic. With IWQ enabled, OSA-Express6S will direct IPSec traffic for protocols ESP and AH to the IPSec input queue. The OSA-Express6S separation of the IPSec protected traffic from non-IPSec protected traffic provides for an optimal Communications Server processing environment for both types of traffic. The z/OS IWQ IPSec solution requires OSA-Express6S and is enabled on z/OS V2.2 and z/OS V2.3 with PTFs for APARs PI77649 and OA52275.

Installation support for IBM z14 Model ZR1

The Customized Offerings Driver (5751-COD) is planned to be updated to support installing z/OS on a z14 Model ZR1 concurrent with IBM z14 Model ZR1 hardware availability. This is in addition to the existing support for prior processor models and for the installation of z/OSV2.3 using either ServerPac or CBPDO.

Note: The Customized Offerings Driver is available on DVD.

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Statement of general direction

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SCLM functionally stabilized statement of direction

The Software Configuration and Library Management (SCLM) component of ISPF, which is a component of z/OS, is a library system that provides services uniquely related to the ISPF environment. IBM is declaring that the SCLM component is functionally stabilized. While it will continue to be maintained and supported, it won't be enhanced with new features in the future. IBM recommends that clients consider migrating to IBM Rational Team Concert™ Enterprise Extensions (RTC/EE) or Git with IBM Dependency Based Build (DBB) when looking for improved capabilities.

For additional details on RTC Enterprise Exensions, see the Enterprise Platforms Extensions website.

For additional details on DBB, see the IBM Dependency Based Build website.

SMB and NFS statement of direction

z/OS V2.3 is planned to be the last release of the operating system to support the DFS/SMB (Distributed File System / Server Message Block) functionality. IBM had previously announced that NFS (Network File System) is the strategic file sharing protocol for the z/OS platform. In order to help clients shift to use NFS technology, IBM plans to deliver new function on existing levels of the operating system, including installation, security, availability, and operational enhancements. These planned enhancements will enable clients to more easily migrate to NFS prior to upgrading to the next release of z/OS.

zFS file level backup statement of direction

IBM intends to deliver DFSMS support to back up and restore individual z/OS UNIX files residing in zFS (z/OS File System) data sets. This support will be integrated in the existing DFSMShsm and DFSMSdss backup and restore capability, allowing for centralized data management across the z/OS platform. When available, the DFSMShsm Backup and Recover support will subsume the capabilities provided by the existing IBM Tivoli® Storage Manager z/OS UNIX System Services Backup-Archive Client. However, the planned DFSMS support will not back up or restore individual z/OS UNIX files found in Hierarchical File System (HFS) data sets, given that HFS functionality has been stabilized and given the impending withdrawal of HFS in a future release of the operating system.

z/OS Encryption Readiness Technology (zERT) statement of direction

To further enable Pervasive Encryption for IBM Z® regarding z/OS network traffic, IBM intends to deliver a new z/OS MF plug-in to visualize the data recorded by z/OS V2.3 Communications Server z/OS Encryption Readiness Technology (zERT). With this new web-based interface, z/OS network security administrators will be able to formulate and execute queries over the data reported in SMF 119 subtype 12 "zERT Summary" records to easily determine which z/OS TCP and Enterprise Extender traffic is or is not protected according to the specific query criteria.

PMA withdrawal statement of direction

z/OS V2.3 is planned to be the last release to include the SMP/E Planning and Migration Assistant (PMA). The set of functions provided by PMA, which was introduced in 1998, has largely been supplanted by newer functions provided by Shopz and by z/OSMF Software Management or duplicate other functions available in SMP/E. For those functions, IBM recommends you use the replacements instead. However, no replacements are planned for the Intermediate Product Migration Changes report or for the PMA ISPF tables.

Statements by IBM regarding its plans, directions, and intent are subject to change or withdrawal without notice at the sole discretion of IBM. Information regarding potential future products is intended to outline general product direction and should not be relied on in making a purchasing decision. The information mentioned regarding potential future products is not a commitment, promise, or legal obligation to deliver any material, code, or functionality. Information about potential future products may not be incorporated into any contract. The development, release, and timing of any future features or functionality described for IBM products remain at the sole discretion of IBM.

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Reference information

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  • Software Announcement AP17-0239, dated July 17, 2017
  • Hardware Announcement AG17-0044, dated July 17, 2017 (z14)

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AP distribution

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Country/Region Announced
India/South Asia ** Yes
Australia Yes
Hong Kong Yes
Macao SAR of the PRC Yes
Mongolia Yes
New Zealand Yes
People's Republic of China Yes
South Korea Yes
Taiwan Yes
Japan IOT
Japan Yes

* Brunei Darussalam, Cambodia, Indonesia, Lao People's Democratic Republic, Malaysia, Myanmar, Philippines, Singapore, Thailand, Timor-Leste, and Vietnam

** Bangladesh, Bhutan, India, Maldives, Nepal, and Sri Lanka


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