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IMS System Services

Showing 177

rightsizing OLDS BUFNO when BUFSTOR=64

IMS V12 introduced BUFSTOR=64 with following value propositions:reduced ECSA consumptionreduced CPU consumption due to less TLB misses in DAT .Currently the way to that goals is paved with some obstacles.APAR PM50656 disabled the feature 'round up...
over 4 years ago in IMS System Services / Installation and Configuration 1 Future consideration

Setting in IMS Service Provider to translate user IDs to upper case before sending them to IMS

When a z/OS Connect user generates a Base64 auth token with a RACF user ID containing lower case letters, the authentication and authorization checks in z/OS Connect will be successful, but those in IMS Connect or IMS may fail since the IMS Servic...
almost 2 years ago in IMS System Services 1 Under review

Logging IMS record x'56FA' on SMF

Our customer Unicredit is going to implement IBM IzPCA product that gets in near real time the SMF records created by almost all system software products running on Z. The only important subsystem that cannot be managed in such a way is IMS. We wo...
about 4 years ago in IMS System Services / General System 1 Not under consideration

DFS2291I message only mode of operation

Message DFS2291I is issued when DFSVSMxx keyword LOCKTIME is used. Today LOCKTIME has 2 options ABEND or STATUS. We have the need for a new option MSGONLY that results ina) no action against the waiterb) message DFS2291I being issued to syslogc) t...
over 10 years ago in IMS System Services / Installation and Configuration 1 Not under consideration

new option TERMBLOK for LOCKTIME in DFSVSMxx

Today LOCKTIME only has 2 options ABEND or STATUS. We have the need for a new option TERMBLOK that results ina) terminating the top blocker when timeout threshold is exceeded, i.e. DFSLLKX0 is called b) message DFS2291I being issued to syslogc) th...
over 10 years ago in IMS System Services / Installation and Configuration 1 Not under consideration

deadlock detection across both IMS and DB2

Create a configurable mechanism for detecting and terminating deadlocks across IMS and DB2.
almost 9 years ago in IMS System Services / General System 2 Not under consideration

IMS catalog API (DFS3CATQ) sample program

The customer considers using IMS Catalog API to get DBD or ACB from user program, but no sample program is provided. DBRC API provides a sample program DSPAPSMP in the IMS.ADFSSMPL library. Could you please provide a sample program of IMS Cata...
over 1 year ago in IMS System Services / System Management 1 Planned for future release

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...
almost 6 years ago in IMS System Services / General System 2 Not under consideration

Refreshable Exit support for additional exits

Provide refreshable exit support for DFSMSCE0 and DFSQSSP0
almost 4 years ago in IMS System Services / System Management 2 Not under 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

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