IBM Z Hardware and Operating Systems Ideas Portal


This is the public portal for all IBM Z Hardware and Operating System related offerings. To view all of your ideas submitted to IBM, create and manage groups of Ideas, or create an idea explicitly set to be either visible by all (public) or visible only to you and IBM (private), use the IBM Unified Ideas Portal (https://ideas.ibm.com).


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My ideas: z/OS

Monitoring Initial Size of Coupling Facility Structures

It was noticed a problem during a Coupling Facility outage when was necessary to move structures from one CF to another CF. The rebuild/recovery process was not completed sucessfully because the INITSIZE of a WMQ Structure was smaller than the req...
about 1 month ago in z/OS / BCP_XCF/XES Under review

Availability of new unicode Dirham symbol (U+20C3)

Regulatory: On 27 March 2025, the Central Bank of the UAE (CBUAE) introduced a new symbol for the UAE Dirham (AED).The official currency symbol—a capital "D" crossed by two horizontal lines— to establish the dirham as an international currency and...
about 22 hours ago in z/OS / BCP_Unicode Under review

Add REFVVDS(volser) parm to DEF CLUSTER with RECATALOG

We have ZFS datasets in the SYSRES (&SYSR2, in our case).We're upgrading z/OS and we need to catalog new ZFSs indirectly using &SYSR2 - we're not using SSA.When we try to use a DEF CLUSTER with RECATALOG the job fails as the VVDS in the cu...
4 months ago in z/OS / DFSMS VSAM Under review

Append dataset API

Add an API to append to a dataset. This is already a feature in batch programs. At present, to append the entire dataset has to be downloaded, appended on the device, then overwritten. This is substantial traffic for something like logging.
3 months ago in z/OS / z/OSMF Under review

Clear SSL session ID for specific port and/or IP address

Hi IBM development team, We have been requested to clear the SSL Session ID in the session cache (GSKSRVR). The server certificates are updated every year and our operations team would like to confirm if new certificates are used immediately after...
5 months ago in z/OS / SSL Under review

Enable z/OSMF authentication API while using the z/OS Data Gatherer SMF REST Services

If we have configured the z/OSMF server to use the Data Gatherer SMF REST Services, authentication via username and password is mandatory unless you intend to use separate RACF functionalities. Therefore, it would be convenient if the SMF REST Ser...
about 1 month ago in z/OS / z/OSMF Under review

Not evident what to look for when receiving the message: "*IRA131E CRITICAL HIGH COMMON STORAGE SHORTAGE"

During a major change in a production Sysplex LPARs, we have received the *IRA131E message due to a problem with an IMS component not releasing memory and found that it is not evident what to look for in order to locate the exact type of frames in...
3 months ago in z/OS / BCP_Storage Management (inc. RSM/ASM/VSM/DIV) Under review

enable zIIP offload for TCP/IP address space

IBM's strategy is to encourage integration with Z components with the ecosystem outside of Z and all of these integrations are happening via TCP/IP. Significant network traffic (with encryption) has increased due to extensive deployment of product...
2 months ago in z/OS / Communications Server Under review

Add a command to know the calculated value for ZHPF buffer when ZHPFOPTS has SYSTEM parameter

For ZHPFOPTS if SYSTEM is specified, the maximum data transfer size for zHPF I/O requests is determined by the system based on the maximum data transfer size supported by the device and its online CHPIDs. So if something changed on CHPID, Switch ,...
about 2 months ago in z/OS / BCP_IOS Under review

zOS CFRM - Structure size change requires access to CSFSERV resources

When Coupling Facility (CF) structures are encrypted, any user executing the IXCMIAPU utility to write or update a CFRM policy currently requires access to CSFSERV resources such as CSFKGN (Key Generate) and CSFKYT (Key Test)—even in scenarios whe...
4 months ago in z/OS / BCP_XCF/XES Under review

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