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IMS System Services

Showing 172 of 8212

Limit the region type for IRLM lock timeout function

In Japan, most banking customers use an application framework called SAIL, an asset of IBM Japan Consulting, running in their production core banking systems. In the SAIL system, the SAIL control regions run as MPP and the application regions run ...
3 months ago in IMS System Services / General System 0 Under review

Bypass combined DBRC UNAUTH request for multiple AREAs

/DBR DB and /DBR AREA commands can issue the DBRC UNAUTH request for a list of AREAs, the maximum number of AREAs in one list being 160. When the UNAUTH request is isseued for a list of AREAs, the RECON can be reserved for a long period of time. T...
about 2 months ago in IMS System Services / Commands 0 Under review

UNCOND option support for a GSAM resource in IMS managed ACB environment

In a management ACB environment, our customers must execute IMS Catalog Populate utility (DFS3PU00) or ACB Generation and Catalog Populate utility (DFS3UACB) when they update existing PSB/DBD resources. However, sometimes they need to fall back th...
about 1 month ago in IMS System Services / System Management 0 Under review

Keyword 'ALL' needed for /DIS STATUS command

Current /DIS STATUS command can be issued without any keyword, which can result in massive output messages for all IMS resources generated to WTO.This can impact the operations of system operators. It also affects overall workload throughput due t...
3 months ago in IMS System Services / Commands 2 Not under consideration

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 are APARs ( X...
3 months ago in IMS System Services / General System 0 Under review

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

Create SMF79.15 records when IRLM TIMEOUT value is exceeded but before IMS LOCKTIME is

If LOCKTIME is set in the DFSVSMxx member of the IMS proclib, the creation of SMF 79.15 only occurs at the same time as a 3310 abend for environments other than IMS batch. If SMF 79.15 records are created when IRLM TIMEOUT has been exceeded regard...
11 months ago in IMS System Services / General System 2 Not under 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

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