IBM Z Hardware and Operating Systems Ideas Portal


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DFSMS Access Methods Non-Vsam

Showing 26 of 3357

Any plans to lift the restriction on 32K files?

The bank would like to process data records larger than 32K . One of our issues is the requirement to unload/sort/reload files which possibly contain these large records. In the near future, we will be shipping code that allows our customers to re...
almost 5 years ago in z/OS / DFSMS Access Methods Non-Vsam 2 Future consideration

PDSE member count limit

Until z/OS V2R3 PDSE allows for member creation until it reaches the count of 522,239 members. After that, we get message IEC306I : IEC036I A WRITE would have had to create another member in a PDSE which already contained the maximum allowable num...
almost 5 years ago in z/OS / DFSMS Access Methods Non-Vsam 1 Future consideration

Provide API's for basic PDSE Access

Currently the internals of a PDSE (version 1 or 2) are hidden from the user who doesn't have a NDA and access to FAMS. Please expose to the user/ISV community some of that information. Such as: Current MAXGEN value for the PDSE Ability to dynamica...
over 1 year ago in z/OS / DFSMS Access Methods Non-Vsam 0 Future consideration

PDS with 4K directory blocks, Load module headers

Current PDS directories are 256 bytes with 8 byte key, so 38 blocks per 3390 track or 9.5K of data. Allowing 4096 bytes with 8 byte key would allow 11 blocks per 3390 track or 44K of data. Current PDS directories only have full blocks until end of...
8 months ago in z/OS / DFSMS Access Methods Non-Vsam 1 Not under consideration

Change the allocation area of BSAM DECB/DCBE/IOB (IGGSAQS/IGGSAQE) to above 16MB

System Environmentz/OS V2.2, Db2z V10SWA=ABOVEBatch JOB Region SIZE = 0MUse Extended TIOT We use Db2z V10(NFM) and try to REORG TABLESPACE, but REORG JOB is abend with S878.The table have 372 partitions each partition have 8 auxiliary tables for L...
over 6 years ago in z/OS / DFSMS Access Methods Non-Vsam 2 Not under consideration

The user must have the ability to keep a dataset in zEDC compressed format during a copy or a transfer of the dataset.

I would like to have a way to request access method to avoid decompression of a zedc compressed dataset when using it, for example via a jcl option. This would avoid unnecessary compression - decompression when dataset are accessed by product doin...
over 8 years ago in z/OS / DFSMS Access Methods Non-Vsam 3 Planned for future release

Track date last encrypted adn decrypted in VVDS cell

We want to be able to determine when a dataset was last encrypted and decrypted separately. Our long term key management strategy requires knowledge of these dates.
almost 5 years ago in z/OS / DFSMS Access Methods Non-Vsam 2 Future consideration

Enhance DFSMS 42 subtypes 21, 24, 25 and 26 to include job number, reader start date & reader start time

Please enhance the DFSMS 42 subtype records 21, 24, 25 and 26 to include job number, reader start date & reader start time.
over 8 years ago in z/OS / DFSMS Access Methods Non-Vsam 2 Planned for future release

DFSMS does NOT populate S42AMZRB and S42AMZWB

DFSMS does NOT populate S42AMZRB and S42AMZWB in SMF_42 subtype 6 record in our SMF data That is the reason why TDS displays them as 0.0. This is NOT a TDS error.
about 7 years ago in z/OS / DFSMS Access Methods Non-Vsam 1 Future consideration

Provide the option to request DSSB to be allocated in Common storage by OPEN

JES3plus uses its own STARTIO Driver. In order to allow the creation of SMF record 42 subtype 6 for spool I/O data sets, JES3plus needs to provide an IOD control block (pointed to by the JES3plus IOSB extension - IOSXIOD), which will point to the ...
about 2 years ago in z/OS / DFSMS Access Methods Non-Vsam 0 Future consideration

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