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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Core Infrastructure

Showing 2983

Provide a mechanism to prevent the use of Flash Copy if Preserve Mirror Required is not also specified

In a GDSP Metro Mirror configuration, recoverability it broken if a Flash Copy is initiated without Preserve Mirror being invoked. I believe, in this configuration, it is better for a Flash Copy to fail if Preserve Mirror is not performed. What is...
2 months ago in z/OS / DFSMS DSS 0 Under review

zSORT should be able to use Virtual Flash Memory instead of using disk in case of memory shortage

Today, many financial companies use Virtual Flash Memory (VFM) in their zSystems. However, this feature has a limited number of users on z/OS. And there's also TBs of memory on VFM. Why DFSORT or DB2 SORT utilites do not use VFM to improve the per...
almost 2 years ago in z/OS / DFSMS DFSORT 1 Not under consideration

Enable ZHYPERWRITE for VSAM and VSAM-RLS in IGDSMSxx

PTF UJ92354 Following this documentation : https://www.ibm.com/docs/en/zos/2.5.0?topic=performance-zhyperwrite It's said we should configure "ZHYPERWRITE=YES option was specified in the ACB or RPL.", so far I don't understand where to set this par...
6 months ago in z/OS / DFSMS SMS 3 Not under consideration

Add a specific CSF messages id to monitor the correct/(or not) initialization/start-up) of the CSFTTCP started task

Dear, In order to monitor the start-up of the CSFTTCP adress space with CA-OPSMVS automate and according to our standards we would like to have the possibility that CSFTTCP started task generates to the console specific messageids for the correct(...
almost 2 years ago in z/OS / ICSF 0 Future consideration

zCX: Provide Sysplex Distributor Support for High Availability

Currently zCX only supports Dynamic VIPAs, no Sysplex Distributor support is available. In case of a Docker Swarm, or even a Single zCX Container within one zCX, there is a timing window in that the application within the Container is not availabl...
over 3 years ago in z/OS / Container Extensions (zCX) 5 Future consideration

Use more frequent commits when importing SMF data in to the zNA database to reduce Db2 resource consumption

Committing every 1000 inserts would be a good starting point This number needs to be customizable so we can adjust based on our needs as workloads and reporting needs change over time Our preferred solution to the lack of commits would be to use t...
almost 2 years ago in z/OS / Communications Server 0 Future consideration

Include additional material in indexed PDFs

The HLASM, HLASM Toolkit and z/Architecture manuals are high usain one place.ge. It would be convenient if the could be download and search
2 months ago in z/OS / Documentation 1 Not under consideration

Allow LDAP servers in a sysplex to share an activity log file

LDAP sysplex setups recommend that all servers in the sysplex share the same configuration file. This cannot be done if activity logging is in use because the LDAP server cannot handle file management during the rollover period. The only way to us...
about 1 year ago in z/OS / LDAP 0 Future consideration

Error message to be produced when LNKLST concatenation datasets experiencing severe performance degradation, especially Sys1.LINKLIB.

This will indicate that there is a problem with LNKLST concatenated datasets, and that LNKLST is is under performance degradation constraints, when datasets were removed and added back to the LNKLST concatenation.Current error messages for LNKLST ...
12 months ago in z/OS / BCP_Supervisor 1 Not under consideration

All error messages for shell tools should be complete and NOT require referencing a Messages and Codes manual

Receiving a message like this (example from DSFS dsadm command): IDFS00329E Could not set creation parameters, return code 126 reason code ED07621A. Is confusing and meaningless to the average OMVS shell user. They are not used to finding a messag...
over 1 year ago in z/OS / z/OS File System (zFS) 4 Not under consideration

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