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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USS

    Showing 111 of 3849

    Uncontrolled environment after accessing OMVS

    After accessing OMVS under TSO we are getting an uncontrolled environment and is necessary to logoff/logon in order tho have again a controlled environment. We received the following message if we try to access any TSO application that requires a ...
    about 2 years ago in z/OS / USS 1 Not under consideration

    USS panel BPXWP20 "Work with Mounted File Systems" does not show the mount hierarchies.

    It would be nice to see the hierarchy of mount points on the BPXWP20. An intuitive/topological presentation of file systems would be very helpful. The practical purpose would be unmounting an FS that has child mount points to other FS'es. For exam...
    about 2 years ago in z/OS / USS 1 Not under consideration

    In the default z/OS distribution predefine empty mount point /dsfs

    With the default SMP/E root filesystem please deliver it with a /dsfs mount point so that it is there and won't be lost with maintenance.
    about 2 years ago in z/OS / USS 5 Functionality already exists

    Provide a SETOMVS SYNTAXCHECK equivalent via a batch job.

    Request a batch utility which would allow you to check BPXPRMxx syntax via a DD for input and route the output to a DD. The benefits would be: (1) Allow any location for input (vs. current SETOMVS SYNTAXCHECK which must come from PARMLIB) and (2) ...
    about 2 years ago in z/OS / USS 1 Not under consideration

    z/OS UNIX System Services - enhance D OMVS,MF to display requester

    Enhance D OMVS,MF to display the requester of the (failed) mount attempt. Currently the D OMVS,MF does not provide information on who (what userid/job) is attempting to mount a file system (and fails). In our scenario, D OMVS,MF showed that 'someo...
    about 2 years ago in z/OS / USS 0 Future consideration

    Provide more granular control over the maximum number of processes limits

    Currently, the maximum number of processes is controlled by the MAXPROCSYS value in BPXPRMxx. There are warnings not to set this value too high as each process has the potential to consume its own address space. This means that MAXPROCSYS should n...
    over 2 years ago in z/OS / USS 1 Not under consideration

    ZFS save cpu. Provide option to stop SMF file activity, and eliminate getmain/free main for every open/close SMF record

    When I was looking into Java was so slow on z/OS compared to Ubuntu, I noticed there was an SMF call for every file open ( and close) , and a getmain/freemain as well. To start z/OSMF took over 600 seconds of CPU! This needs to come down to about ...
    over 2 years ago in z/OS / USS 1 Not under consideration

    Customer needs to map up to one million shared mutex/shared condvar per shared memory segment under z/OS Unix.

    Customer running an app that hit an internal limit (JRSMCMaxCntSeg 65535 decimal)) creating shared mutex and shared convars. Discussions with the customer indicate that there is a need to support one million of these type of structures. This will ...
    over 2 years ago in z/OS / USS 0 Future consideration

    Use SETOMVS SYNTAXCHECK on libraries other than the current PARMLIB

    We can use the SETOMVS SYNTAXCHECK command to check our BPXPRMxx member in the current PARMLIB concatenation. However, most errors occur during IPL time with an updated version of these members, which might be on a different data set or even a dif...
    over 2 years ago in z/OS / USS 0 Future consideration

    Simplified MNTE_SYSLIST syntax as part of z/OS UNIX REXX mount command

    Currently, if a user would like to include MNTE_SYSLIST as a parm in his USS REXX mount command implementation, the user must code the MNTE_SYSLIST as though they are writing assembler code using the mapping described in BPXYMNTE: MNTENTSYSLISTNUM...
    over 2 years ago in z/OS / USS 0 Future consideration

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