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Status Future consideration
Workspace z/OS
Categories DFSMS Access Methods Non-Vsam
Created by Guest
Created on Dec 8, 2023

RELATED IDEAS

Provide common APIs in support of PDSE Member Generations - Part 2

See https://ibm-z-hardware-and-operating-systems.ideas.ibm.com/ideas/ZOS-I-3783 for part 1.

Given that PDSE member generations are supported by some, and growing, IBM elements, it only seems reasonable to make it easy.


Thus I'm rating this IDEA as HIGH, although URGENT wouild also be reasonable.


Why High? That depends - imho it is high as the alternative is for IBM, and ISVs, to reinvent the code for every product that will ever interact with PDSE member generations. Something I foresee being a requirement as more tools on the open side (e.g. dsfs, zoau, zowe, ...) interact more with z/OS PDSEs. Doing a member delete, for example, on a PDSE with member generations for example would work but may leave the non-zero generations as orphans and completely inaccessible while consuming space if the delete is done improperly.

If we can assume that PDSE member generations are useful and valued then access to them should be important and for IBM open tools, along with ISV and open-source tools, with the FAMS documentation that will be a 'challenge'.



Idea priority High
  • Guest
    Reply
    |     Mar 27, 2024
    We agree these API's in support of PDSE Member Generations are useful and it's in our long-range plan, however we cannot commit to a time frame right now.
  • Guest
    Reply
    |     Dec 11, 2023

    Another interface that would be very handy is the ability to change the maxgens defined for a PDSE. Increasing would be fine as a limitation.

  • Guest
    Reply
    |     Dec 11, 2023

    It was suggested that I be more specific so let's try these interfaces

    1. Return a list of all members and generations with ISPF statistics and absolute generation information

    2. Read a specific member/generation using either absolute or relative generation

    3. Update a specific member/generation using either absolute or relative generation

    4. Delete an entire member or individual member/generation using either absolute or relative generation

    5. Each should support masking for member names

    Ideally these should be provided as generalized interfaces that can be called from REXX, Python, Perl, etc.

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