IBM Z Hardware and Operating Systems Ideas Portal


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z/OS

Showing 2930

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

Maximum same GDG parallel recall

In an GDG Extended environment, concurrent recall of too many (up to 999) GDSs may cause issues, the main ones being:1) Flood HSM recall queue with too many recalls, which can be:Too fast: With BATCH_RCLMIGDS(PARALLEL) in ALLOCxx all 999 recalls w...
over 3 years ago in z/OS / DFSMS HSM 0 Future consideration

Have IDCAMS ALTER NEWNAME process whole VSAM SPHERE's

It would be very useful if a new optional SPHERE parameter could be included for an IDCAMS ALTER NEWNAME of VSAM datasets so the rename function is applied to the whole sphere associated with the base cluster, or at least it's Data and Index Compo...
6 months ago in z/OS / DFSMS Catalog/IDCAMS/AMS 3 Not under 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

Consistent Read from Secondary - decision making in response to poor performance/hardware health changes

Our current understanding is that to exploit the DS8K's consistent read from secondary function, IOS currently sends some queries out at Hyperswap enable time in order to determine at the LCU boundary whether reads should be directed to the PPRC p...
about 1 year ago in z/OS / BCP_IOS 1 Future consideration

z/OSMF, please add the Zone commands(Like in SMP Command generation Selection menu), in Software instance tool, so that the Customer can use them for maintaining their software instance during their regular maintenance task.

z/OSMF, please add the Zone commands listed below (Like in SMP Command generation Selection menu), in the Software instance tool, so that Customer can use them for maintaining their software instance during their regular maintenance task. This wil...
3 months ago in z/OS / z/OSMF 2 Not under consideration

Communication between SMSPLEX-Members about ACDS error

If a member of an SMSPLEX Fails to read or write the ACDS, it should not just completely fail and activate a null configuration.Instead, it should inform the other members of SMSPLEX about this failure, so the other members can identify if ALL mem...
about 7 years ago in z/OS / DFSMS SMS 1 Future consideration

Clean up the DSFS dsadm query reporting

In the DSFS product the dsadm query has a number of reports. The issue is that the heading format is inconsistent. examples: compression has no header metacache has a header but no dashed line below it some have no space before the header so if mu...
about 1 year ago in z/OS / Data Set File System (DSFS) 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 1 year ago in z/OS / z/OS File System (zFS) 1 Not under consideration

Provide a percentage status of DFHSM expirebv process completion

Currently, the expirebv process for our dfhsmuss (file mode host) environment runs for days and would be nice to see a percentage completion IE, 25%, 50%, 77% completed.
3 months ago in z/OS / DFSMS HSM 0 Future consideration

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