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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z/OS File System (zFS)

    Showing 14 of 3836

    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...
    about 2 years ago in z/OS / z/OS File System (zFS) 4 Not under consideration

    zFS - Update catalog bits also when filesystem is mounted RO

    The zFS attributes from the CATALOG will be updated only when the filesystem is mounted RDWR. Meaning when a cluster is allocated with 'DEFINE CLUSTER LINEAIR' (not with ZFS keyword). And afterwards always mounted RO, the catalog is never updated....
    over 2 years ago in z/OS / z/OS File System (zFS) 1 Future consideration

    Forbid a zFS mount of an IDCAMS PATH

    When we create an IDCAMS PATH on a zFS, although the IBM documentation says "DON'T DO IT" , it is still allowed. Plus, zFS allows a PATH to be mounted on mountpoint A while you can still mounthe real zFS to mountpoint B, which lead to corrupt our ...
    over 2 years ago in z/OS / z/OS File System (zFS) 1 Future consideration

    Improve DSFS error messages

    Receiving a message like this: 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 messages and codes manual ( which is so ...
    about 2 years ago in z/OS / z/OS File System (zFS) 1 Not under consideration

    Improve the ISPF performance when listing/accessing a USS directory with a lot of files

    The list or access to a USS directory containing a lot of files consumes a huge amount of CPU. The same CPU sonsumption is observed in Java programs accessing the directory
    over 1 year ago in z/OS / z/OS File System (zFS) 2 Not under consideration

    zFS Striped restriction

    Currently in z/OS zFS does not support the use of a striped VSAM linear data set as a zFS aggregate. StripedVSAM linear data set will only mount as read-only.
    over 4 years ago in z/OS / z/OS File System (zFS) 0 Future consideration

    Produce SMF 92 subtype 2 and 4 during backup of ZFS mounted in RWSHARE mode

    During the dump process of a ZFS mounted in rw mode, a quiesce is done before the dump and an unquiesce is issued after the dump. SMF 92 subtype 2 is written when the filesytem is quiesced, and a subtype 4 is produced when it is unquiesced. This a...
    about 6 years ago in z/OS / z/OS File System (zFS) 1 Future consideration

    DSFS Utility file system name specification.

    DSFS looks for "filename.SYSNAME" allocation of the liniear dataset, even when specifying only "filename" in the BPXPRMxx paramaters. Remove the requirement for "filename.SYSNAME" and use what is specified in BPXPRMxx member (do not add .SYSNAME a...
    over 1 year ago in z/OS / z/OS File System (zFS) 1 Functionality already exists

    DSFS Enhance Createparm

    The DSFS CreateParm is fine (to a point) but needs an option to Delete a created hlq.
    about 2 years ago in z/OS / z/OS File System (zFS) 1 Not under consideration

    Take advantage of DAE to suppress dumps

    We encountered a situation where the zFS address space was taking 2C3 abends. The abend would sometimes occur more than once a day. DAE was not suppressing the dumps. Coding of the SDUMPX macro should be changed to take advantage of letting DAE su...
    over 10 years ago in z/OS / z/OS File System (zFS) 1 Future consideration

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