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General System

Showing 48

deadlock detection across both IMS and DB2

Create a configurable mechanism for detecting and terminating deadlocks across IMS and DB2.
over 8 years ago in IMS System Services / General System 2 Not under consideration

Add parameters related to logging and CHKW calls for USERMOD elimination

We have a USERMOD in place for IMS V15 related to performance. This USERMOD was originally put in place for logging performance issues in our environment related to high volume BMPs causing logging delays and holding up the BMP and online environm...
over 5 years ago in IMS System Services / General System 2 Not under consideration

Stateless non-use Tpipes to be cleared after 2 checkpoints instead of 3

Currently stateless non-use tpipes are cleared after 3 checkpoints. Due to potential high volume of stateless tpipes would like the system to clear them sooner to avoid resource shortages. This specifically comes into play for us due the increased...
over 2 years ago in IMS System Services / General System 1 Future consideration

Update DFSFDLS0 to disable OPTCD=W for virtual tape subsystems

Please make the changes for IMS to allow me to disable OPTCD=W for tape logging with a parameter in //DFSVSAMP a permanent feature of IMS. This was originally released to the IMS population as a usermod created by Dave Viguers. It needs to be buil...
over 8 years ago in IMS System Services / General System 1 Not under consideration

TYPE56FA TLS Transaction Level Statistics Log Record does not show the actual Input Queue Time for PtP switches

The actual Transaction Input Queue Time can not be taken from TYPE56FA Log Records for PtP Messages processing.Field TPINUTC, that Customer wants to subtract from field TPSTARTU to get the Input Queue Time, is in fact the Timestamp when the first ...
over 7 years ago in IMS System Services / General System 3 Not under consideration

Keep IMS generation process after the requirement for IMS-managed ACBs is in place

There is a statement of direction that IBM will eliminate the need for system generation in following announcement letter.https://www-01.ibm.com/common/ssi/ShowDoc.wss?docURL=/common/ssi/rep_ca/7/760/ENUSJP17-0477/index.html&request_locale=ja ...
over 4 years ago in IMS System Services / General System 2 Not under consideration

Create a suffixed DFSVC000 after IMS SYSGEN

Hi, In a SMP configuration with several IMS in the same target files.All the IMS have not the same IMSID in IMSCTRL macro the last IMS that has been SYSGENed, overrides DFSVC000 (SDFSRESL library) with its own IMSID A suffix membre for DFSVC00* wo...
about 11 years ago in IMS System Services / General System 2 Not under consideration

Add Maintenance Level on the WTO

Could yo add the maintenance level to the to the WTO on the release level. As follows: IMS SYSTEM PARAMETERS ACTIVE FOR THIS V14.1 RSUxxxx (RSU2010) .
almost 5 years ago in IMS System Services / General System 1 Not under consideration

CQS display commands should show also the EMC usage

Commands /CQQ STATISTICS STRUCTURE ALL and QRY STRUCTURE SHOW(ALL) should show also the number of allocated and currently used EMC in a way similar to the one used in the output of message IXC585E :*IXC585E STRUCTURE DFSCQSMSGQSP IN COUPLING FACIL...
about 11 years ago in IMS System Services / General System 2 Not under consideration

DB/DC vs. DCCTL CSA storage comparisons

The usage of resources like CSA is expected to be different between IMS in a DB/DC configuration and IMS in a DCCTL configuration. Analysis proved that some "DB" modules are currently (IMS V14) loaded also in a DCCTL environment even if not requir...
about 8 years ago in IMS System Services / General System 1 Not under consideration

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