IBM Z Hardware and Operating Systems Ideas Portal


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z/OS

Showing 2926

Row count not updated with TBSARG/TBDISPL

Row count is not updated with TBSARG/TBDISPL. This means that applications that dynamically issue TBSARG will have to loop through all rows, determine if the row is visible or not, counting the visible rows, and finally determine which row is curr...
over 6 years ago in z/OS / ISPF 2 Not under consideration

Improve HSM ML1 migration volume selection by considering fragmentation

When HSM attempts to migrate a data set to an ML1 volume, it only considers free space available on the volume. Unfortunately, in an environment with large volume sizes (like 1TB EAV's), there can be a lot of free space available on a volume, but ...
over 1 year ago in z/OS / DFSMS HSM 0 Future consideration

Recalls of NON-EXTENDED datasets fail on EAV volumes if TMS (Track Managed Space) is full

Getting message IGD17272I VOLUME SELECTION HAS FAILED FOR INSUFFICIENT SPACE.
about 3 years ago in z/OS / DFSMS HSM 2 Future consideration

Set MSR data set response time targets for automatic tiering with

Currently, automatic tiering is managed at the volume/extent level without knowledge or consideration of the service level objectives for the data sets on the volumes. When caching was introduced, the MSR objective was used to drive must cache/may...
over 9 years ago in z/OS / DFSMS SMS 2 Not under consideration

Allow Virtual Concurrent Copy (VCC) to dynamically allocate Working-Space Data Set(s)

Virtual Concurrent Copy currently requires each installation to pre-define/allocate the Working-Space Data Set necessary to contain the PIT track images. There is no easy way for the installation to know what the appropriate size for these data se...
over 1 year ago in z/OS / DFSMS SDM 0 Future consideration

Improve HSM messaging around ML1 data set migration failures

During ML1 migration, HSM selects a volume by examining the space available but it does not consider the fragmentation index for the volumes. In cases where there are many volumes (especially EAV's) with a lot of space available in the overall poo...
over 1 year ago in z/OS / DFSMS HSM 1 Future consideration

Enable AUTOCVT to assume untagged files are ibm-1047

I have been porting several open source applications to USS using the -qascii option on the C/C++ compilers. This works wonderfully when auto conversion is also enabled. The one whole in the auto conversion feature is that it doesn't assume untagg...
almost 5 years ago in z/OS / LE 2 Not under consideration

Collect Client Signature Algorithms with z/ERT

At the moment there is no way - besides collecting traces (AT-TLS, SystemSSL, Packettrace) to gather information about signature (hash) algorithms on TLS connections. We would like to use z/ERT to collect data from the client hello signature algor...
about 3 years ago in z/OS / Communications Server 1 Not under consideration

Allow the LIKE paramenter in JCL to use GDGs or PDS(E) for attributes

Currently to use LIKE in JCL has the following restrictions: DO NOT use LIKE= to model the characteristics of a PDS member coded in JCL, a GDG, or a temporary data set. Also, please note that the EXPDT or RETPD dates are NOT copied by LIKE. LIKE s...
about 8 years ago in z/OS / DFSMS SMS 2 Not under consideration

Cut&Paste accross zOSMF instances

To use portions of service definitions (SD) in another SD I can use cut&paste, for example: copy classification groups and paste it at other place. BUT this is NOT possible from another sysplex because I've to open another instance of zOSMF in...
about 8 years ago in z/OS / z/OSMF 1 Future consideration

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