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DFSMS SMS

Showing 44 of 3737

GDS_RECLAIM should delete/define the GDS versus reusing the same create date

Currently, when you turn on GDS_RECLAIM the system will reuse an existing GDS if it is in DEFERRED status. This is a great idea except for the fact that the process keeps the original create date. In one instance we had GDS' that were created in F...
4 months ago in z/OS / DFSMS SMS 0 Future consideration

Enhance SMS message IGD17279I to better describe file allocation error - the diagnostic code in the message (041A041D) is not useful.

Hello, we recently had an incident with non-VSAM allocation space problems on EAV volumes due to the Dataclass EATTR defaulting to 'blank'. We came across the following message and required IBM support to provide an explanation: IGD17279I 411 VOLU...
6 months ago in z/OS / DFSMS SMS 0 Future consideration

Change allocation unit from cylinder to megabyte or tracks for a better release

To avoid loosing space when customer allocate file in cylinder unit, it should be great to have a properties on dataclas to convert automatically cylinders unit allocation to tracks or megabytes. In this way the space release is done at tracks bou...
9 months ago in z/OS / DFSMS SMS 1 Future consideration

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...
11 months ago in z/OS / DFSMS SMS 3 Not under consideration

Pervasive Encryption feature to enable PDSE, but exclude LOADLIBS (which cannot be encrypted).

We cannot enable PE for our PDSE libraries, as there is has been no method to exclude LOADLIBs, which become unusable when encrypted with PE. This prevents us from enabling encryptions for PDSE files that could contain confidential or restricted d...
about 1 year ago in z/OS / DFSMS SMS 0 Planned for future release

Enhance DFSMS to check for assignment of DATACLASS values for the SCDS, ACDS, & COMMDS

This will inform administrators prior to an activation that a configuration conflict exist which may cause activation to go into allocation, effectively preventing activation from proceeding. Worse case could be a difficult to recover CDS file.
about 1 year ago in z/OS / DFSMS SMS 0 Future consideration

add the substr function into ACS routines to simply SMS management for complex environment

I have been working with a customer who wants to obtain the subsystem ID for more generic filtlists and storage group assignments. Something like filtlist XXXSAP INCLUDE(DSN%%%U.**, 'ICF.DRPLEX.%%%SAP') EXCLUDE(DSN%%%%%.ARCHLOG1.**, DSN%%%%%.ARCHL...
over 1 year ago in z/OS / DFSMS SMS 1 Future consideration

creation of a new read-only variable: &LIKE(Yes/No) for the ACS routine

With the LIKE parameter in JCL the following read-only variables are not available in the ACS-routines. &DSNTYPE &DSORG &MAXSIZE &RECORG &SIZE I would like to have a new read-only variable : &LIKE (YES/No) recognize that th...
over 1 year ago in z/OS / DFSMS SMS 0 Future consideration

DFSMS, SREAD OVER VOLUMES depending upon volume-status and free-space

'Spread over volumes' allocated always on the volumes at the beginning of a storagegroup, regardless of volume-status : QUINEW,ENABLE and free-space. If it supported the behavior of primary allocation over multiple volumes no longer differs from o...
over 1 year ago in z/OS / DFSMS SMS 0 Future consideration

ACS Read only variable required for RECFM

We are converting our sequential data to extended format in preparation for pervasive encryption. We use the zbna software to identify files unsuitable for EF, due to utilising EXCP. We have identified a lot of files with a RECFM of FS (mostly SAS...
almost 2 years ago in z/OS / DFSMS SMS 1 Future consideration

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