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IMS System Services

Showing 172

IMS ABEND at IRLM ABEND in non-XRF and non-FDBR IMS

In case of IRLM abend, IMS closes and stops all opened DBs and DEDB areas. It takes a while to close and stop these databases, therefore certain period of time is needed to recover from the outage.For XRF and FDBR enabled IMS, there is an APAR to ...
almost 3 years ago in IMS System Services / General System 1 Not under consideration

Limit IRLM lock timeout function only to IFP regions

In Japan, most of the bank customers use application framework called SAIL which is a GBS Japan's asset, running in their production core banking systems. It runs as MPP for SAIL control regions and IFP for application regions under control of SAI...
almost 3 years ago in IMS System Services / General System 1 Future consideration

Keyword 'ALL' needed for /DIS STATUS command

Current /DIS STATUS command can be issued without any keywords (/DIS STATUS.), which can result in massive output message for all IMS resources generated to WTO.This affects system operator's operation. This also affects throughput of workloads du...
almost 3 years ago in IMS System Services / Commands 1 Not under consideration

Command to refresh preloaded programs in all regions from one IMSPLEX

Although IMS v15 may include a similar new feature: An IMS system programmer using a command can refresh a program that is scheduled in an IFP region or preloaded in DFSMPLxx member without having to restart the region. We need a global command, t...
over 7 years ago in IMS System Services / System Management 1 Future consideration

Allow ISPF SPOC to use max screen width instead of 80 char

Allow ISPF SPOC to utilize the entire width of a user's screen instead of being limited to 80 characters. Current 3270 emulators can even go as high as 160 chars width. Based on some testing that we did, it seems to be a simple enough change (from...
almost 7 years ago in IMS System Services / System Management 2 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 9 years ago in IMS System Services / Installation and Configuration 1 Not under consideration

Change IMS Catalog Definition Exit DFS3CDX0 to make it more user friendly

DFS3CDX0 is used to provide settings and attributes of the IMS Catalog to Batch application programs.It is an alternative to code “xxx” in the JCL of batch jobs for referencing to DFSDFxxx Member in IMS.PROCLIB. Currently all parameters from DFSDF...
over 5 years ago in IMS System Services / Installation and Configuration 2 Not under consideration

Refresh application programs in a MPR with persistent JVM

IMS with MPP with persistent JVM. CANCEL_PGM=NO and COBOL main transaction programs calling JAVA methods via COBOL Object Oriented Wrapper and JNI APIs. The Language Environment enclave remains active during all the MPR lifetime in order to keep t...
over 5 years ago in IMS System Services / Commands 2 Future consideration

Reducing IMS/Db2 connection pooling thread footprint of an MPP when RLA=Y

Details When RLA=Y (PH33024) is set there is an opportunity to enhance IMS/Db2 connection pooling (DSNMIN20) . Right now IMS connection pooling modules DFSESAT0 and DFSESCT0 hand over PSTUSID as EEVPUSID to Db2 . Db2 uses this userid as first part...
almost 2 years ago in IMS System Services / General System 1 Future 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 9 years ago in IMS System Services / Installation and Configuration 1 Not under consideration

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