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DFSMS SMS

Showing 21

Enable ZHYPERWRITE for VSAM and VSAM-RLS in IGDSMSxx

PTF UJ92354 Following this documentation : https://www.ibm.com/docs/en/zos/2.5.0?topic=performance-zhyperwrite It's said we should configure "ZHYPERWRITE=YES option was specified in the ACB or RPL.", so far I don't understand where to set this par...
4 months ago in z/OS / DFSMS SMS 3 Not under consideration

DFSMS ACS &MAXSIZE for Extended Format datasets

The value for the variable &MAXSIZE in DFSMSdfp Automatic Class Selection for NON-VSAM datasets is always calculated as 1 x Primary + 15 x Secondary, + Directory if applicable. In the case of &DSNTYPE being EXC, EXR or LIBRARY this value s...
over 3 years ago in z/OS / DFSMS SMS 1 Not under consideration

DFSMSsms ACS provide &OLDNAME variable during ACSENVIR=RENAME in MGMTCLAS

During SMS &ACSENVIR='RENAME' processing there is currently no ability in the MGMTCLAS routine to check what the original dataset name is, you only have the newname in the &DSN variable. This means that inappropriate renames cannot be prev...
over 3 years ago in z/OS / DFSMS SMS 3 Not under consideration

Fail request to encrypt when no enctyption is done (TAPE)

When we request a dataset to be encrypted (allocation in extended format and keylabel) on DASD SMS issues messages indicating the dataset was encrypted, however, If we request a new dataset with the same characteristics that goes to VTS (tape), ev...
over 5 years ago in z/OS / DFSMS SMS 2 Not under consideration

Add additional AVGREC sizes to Space definitions in JCL and IDCAMS

With the large size volumes and larger amounts of data going to datasets, it would be helpful if the AVGREC and DEFINE statements allow more options. Currently AVGREC has B(ytes) and K(ilobyte) and M(egabytes). and DEF VSAM has K(ilobyte) and M(eg...
over 8 years ago in z/OS / DFSMS SMS 1 Not under consideration

Attempting to use SPACE CONSTRAINT RELIEF dataclas atribute allocation after a failed multi-striping allocation

To attempt SPACE CONSTRAINT RELIEF single-striping allocation after a failed multi-striping allocation. As the level2 support had explained in PMR 50100,228,631 , when a multi-striped sequential dataset allocation fails ( Sustained Data Rate great...
about 8 years ago in z/OS / DFSMS SMS 0 Not under consideration

Opportunity to set the data tier in the DASD subsystems using DFS

At the moment, we have the chance to define all kind of attributes for data sets, by using DFSMS Data Class, Storage Class and Management Class. We need an enhancement for the DFSMS classes, to also control the tiering in the DASD subsystem Now, t...
over 9 years ago in z/OS / DFSMS SMS 4 Not under consideration

Support RECORG 'FS' in DFSMS Data Class Construct

Modify the DFSMS Data Class construct to support Record Organization value of 'FS' for Unix System Services zFS file system.
almost 6 years ago in z/OS / DFSMS SMS 0 Not under consideration

Allow SMS to process DD DUMMY

We would like to eliminate all esoterics from HCD and thus allow SMS to be the sole source for esoterics. There is at least one circumstance where this is not a transparent change and that is when using the DUMMY parameter. For example if you have...
almost 8 years ago in z/OS / DFSMS SMS 1 Not under consideration

Dataset extensions on EAV volumes limited

When moving to EAV volumes it means fewer volumes in the STORGRP available for dataset volume extensions. This can result in space failures based on original JCL allocations that worked fine with smaller and more volumes in the STORGRP, because th...
over 1 year ago in z/OS / DFSMS SMS 4 Not under consideration

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