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DFSMS DSS

Showing 97

New verify option of DSS COPY for PDSE data integrity

Provide new verify option to ADRDSSU COPY function.Our customer encountered data page curruption of the copied PDSE. DSS copy ended RC=00 but some data pages of one PDSE "SYS1.SHASLNKE" were overlayed.Now our customer always verify PDSE using ISRS...
over 8 years ago in z/OS / DFSMS DSS 10 Future consideration

Cleanup of uncataloged data sets with DFDSMSdss

DESCRIPTION:The Itau bank Storage support team sometimes needs to run a cleanup related to uncataloged data sets, this process consists of run a backup for the files first and after delete them from DASD to save disk space.The current design of AD...
about 7 years ago in z/OS / DFSMS DSS 1 Future consideration

DSS should support more entries in list (Msg ADR137E applies)

DSS issues message ADR137E when more than 255 entries are specified in an inline INCLUDE list (and EXCLUDE list). Specify more than this and you need extra work to add a FILTERDD or use more than one DUMP command. This seems to be a completely arb...
over 6 years ago in z/OS / DFSMS DSS 0 Future consideration

PRESERVE OWNERid during COPY/DUMP/RESTORE DFDSS

If a dataset is logically copied/dumped or restored by DFDSS the OWNERID field in the Catalog is reset to NULL. The Customer wants to preserve the previous content of the OWNERID field during DFDSS Copy/Restore because customer uses a function in ...
over 7 years ago in z/OS / DFSMS DSS 1 Future consideration

Optimized ADRDSSU CPU usage for uncompressed Striped Datasets backup

WHEN CALLING ADRDSSU TO DUMP A non-compressed SEQUENTIAL DATASET TO TAPE THE AMOUNT OF CPU FOR PROCESSING A 16 STRIPE DATASET WITH OPT(4) IS APPROXIMATELY 500-700% OF THE CPU USED TO DUMP THE SAME DATA FROM A NON-STRIPED OR SINGLE STRIPED DATASET ...
over 9 years ago in z/OS / DFSMS DSS 1 Future consideration

ADRDSSU move multivolume file to new SMS volumes preserving original allocation

I would like to have the capability to use DFDSS to move a multivolume file from one SMS pool to another and do not consolidate or manipulate the allocation. If I have a 4 volume file when moved I would like the target to be on four volumes regard...
almost 6 years ago in z/OS / DFSMS DSS 1 Future consideration

DFSMSdss DEFRAG needs to be able to be cancelled or provide better diagnostic messages

When running DFDSS today, there is still an issue that if a DEFRAG is being run, it cannot be cancelled. This can require other work (Production Batch, STCs, etc.) to have to be cancelled if there are issues with the DEFRAG running. This can creat...
about 6 years ago in z/OS / DFSMS DSS 1 Not under consideration

DFSMSdss DUMP command optimize the default block size for PS-E.

Now DFSMSdss DUMP function makes a output dataset to DASD with half track block size (default). If using 3390 type DASD, default block size is 27998. When output dataset is Extended format (PS-E) , the system adds a 32-byte suffix to each block. S...
over 7 years ago in z/OS / DFSMS DSS 0 Future consideration

SMS Allocation rules prevents data set copies from restored volume backups

We perform full volume backups and restores from an MVS system. When the original SMS managed volume and the restored volume (using a different VOLSER) label are brought online to the same system where the original volumes data sets are also catal...
almost 6 years ago in z/OS / DFSMS DSS 3 Future consideration

Provide a method of predicting in advance the results of a DFSMSdss SPACEREL action

Provide a method by which it's possible to predict the result of a DFSMSdss SPACEREL command without actually performing the release, to allow it to be run against only those volumes that will give the best results.
almost 7 years ago in z/OS / DFSMS DSS 1 Future consideration

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