IBM Z Hardware and Operating Systems Ideas Portal


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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 1 year ago in z/OS / USS 0 Future 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 1 year ago in z/OS / USS 0 Future consideration

Tolerate %NOCOMMENT and %COMMENT in initial /* rexx */ comment of a USS Rexx script

Under TSO/E, one may specify %NOCOMMENT in the first line /* rexx */ identifier as a signal to the TSO/E Rexx processor and to VLF to compress the in-storage source by removing all comment text, leaving just /**/. This saves storage during executi...
10 months ago in z/OS / USS 0 Future consideration

USS Kernel to lift MVS Wait restriction when threads need to be accessed by LE

LE CEEDUMPs fail to collect data from paused threads in a multi-threaded environment due to the use of PAUSE/RELEASE and are in an MVS Wait. We're requesting the USS Kernel remove this restriction (similar to APAR OA44116 for KernWait) so threads ...
11 months ago in z/OS / USS 0 Future consideration

BPXF029E return codes for failed ROOT mount when ZFS is not initialized

Recently, we were supposed to remove/comment the FILESYSTYPE TYPE(HFS) statement in our BPXPRMxx, but instead we made the following mistake: FILESYSTYPE TYPE(ZFS) /* Filesystem type ZFS */ ENTRYPOINT(GFUAINIT) /* Entrypoint for defining ZFS */ /* ...
over 1 year ago in z/OS / USS 1 Future consideration

DSFS extattr needs version display option

Please add a --version or -version or -v to the extattr command to display the version of the command. This is important as you add more features/options to allow the user to know for sure which version of the command they are using.
about 1 year ago in z/OS / USS 2 Future consideration

Mount point and directory hierarchy verification

Just like the SYNTAXCHECK checks the syntax of BPXPRMxx, I'd like to have the ability to compare whatever there is in the BPXPRMxx in terms of mount and mount points against the root file system. A feature that checks if the mount points exist in ...
about 5 years ago in z/OS / USS 1 Future consideration

BPX SYNTAXCHECK validation of FILESYSTYPE

As part of the work to migrate systems to z/OS 2.5, I believe many customers are converting HFS files to ZFS, and removing the related HFS definitions from BPXPRMxx. Recently we made a mistake of changing the FILESYSTYPE TYPE(HFS) statement to TYP...
over 1 year ago in z/OS / USS 0 Future consideration

Resiliency in a z/OS UNIX shared file system sysplex enivronment

Resiliency in a z/OS UNIX shared file system sysplex enivronment needs to be improved related to the critical mutually exclusive serialized functions (e.g. UNMOUNT, MOVE, MOUNT RESYNC, FILE SYSTEM INITIALIZATION, FILE SYSTEM TAKEOVER, etc.). If on...
5 months ago in z/OS / USS 0 Future consideration

Create command to list a users number of USS processes (in use and highwater!!)

SYSTEM : z/OS Unix System ServicesActor : KBC needs a new feature We have a need to lower our MAXPROCUSER setting to protect system stability. We use USS for many critical business processes. Description : There is no command to list the max used ...
over 3 years ago in z/OS / USS 1 Future consideration

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