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Core Infrastructure

Showing 96

BLKSize of 16KB is much less than TapeBlkSZLim of 256K

DFSMShsm only writes 16K-Blocks to Tape,both for Migration and Backup.Many of our files are greater ones, which would participate much of larger block sizes.
over 9 years ago in z/OS / DFSMS HSM 7 Planned for future release

Enhanced SETIOS Function to Perform Freeze

Hyperswap verifications with the new SETIOS-function work very well. But this works for Unplanned Hyperswaps only, not for a Freeze.It would be very helpful when a similar command is available for the verification on the Secondary DASD (e.g. "SETI...
about 5 years ago in z/OS / BCP_IOS 18 Planned for future release

Request for IEBCOPY to use Storage Above the Line(31 addressing mode)

For PDS datasets one needs to compress them on a regular basis to regain unused space. One method is to use DFSMSdss compress which will invoke IEBCOPY to do the compress. IEBCOPY issues a conditional getmain for control blocks and tables in stora...
over 3 years ago in z/OS / DFSMS Utilities 1 Planned for future release

An ABEND in OCEOV Recovery May Lead to an ABEND0C4-11 in DADSM SCRATCH, RENAME, or PARTREL

As described in 87671,L6Q,000 PMR - we have encountered SVC catalog dumps. Upon analysis, they seem to be related to APAR OA33829.This problem is described in OA33829 which has been closed as a suggestion to be fixed in a future release.From IBM: ...
about 6 years ago in z/OS / DFSMS OCEOV 5 Planned for future release

XCF signaling I/O stalls during IODF ACTIVATION involving thousands of HW changes

XCF signaling I/O stalls during IODF activation On an z/OS image that did NOT issue the HW ACTIVATE-Customer observed that CPU usage for all MASTER address spaces was more than 10 CPs for the RMF Mon 3 interval just before the IOS502I message. Add...
over 2 years ago in z/OS / BCP_IOS 0 Planned for future release

Prevent IEBGENER overlay of PDS or PDSE dataset

When using IEBGENER it is possible to forget to add a MEMBER NAME on the SYSUT2 which then corrupts the PDS or PDS/E. Sometimes you can recover but sometimes you cannot. It would be helpful if IEBGENER could TEST the dataset type on SYSUT2 and if ...
almost 8 years ago in z/OS / DFSMS Utilities 1 Planned for future release

Looking for a DFSMS/HSM exit point of RACF Control

We would like an SMS/HSM exit or RACF control that would prevent an inadvertent activation of an ACS routine that, for example, would delete all files 1 or more days old because a storage manager mistakenly sets the rule for 1 day instead of 10 da...
over 8 years ago in z/OS / DFSMS SMS 4 Planned for future release

BLDL to PDSE need to return RC=08 at I/O error instead of ABEND212

PDSE data sets are used in IMS Online environment and issue BLDL, FINE, READ, CHECK macros.DCB specify SYNAD exit and ABEND Exit. But BLDL to PDSE issues ABEND212 with DFS909I 212-00 instead of RC=08 at I/O error. When we used standard PDS, it ret...
about 4 years ago in z/OS / DFSMS Access Methods Non-Vsam 4 Planned for future release

Enhance ISITMGD to provide number of gens for PDSE V2 with member generations

The ISITMGD (IS IT ManaGeD) macro provides an indicator for PDSE V1 or V2, and an indicator if the PDSE V2 supports member generations, but does not provide the number of member generations. This interface should be enhanced to provide the number ...
almost 7 years ago in z/OS / DFSMS Access Methods Non-Vsam 1 Planned for future release

Spot compatibility issue before run-time

Link-edit message IEW2576I is issued by z/OS BINDER and program run-time failed with S0C1. IEW2576I 5034 RESULTANT AMODE( 24 ) OF ENTRY POINT AND RMODE( ANY ) OF SEGMENT 2 MAY BE INCOMPATIBLE. Since module should have RMODE(24) if it is call...
about 2 years ago in z/OS / Program Management/Binder 1 Planned for future release

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