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IMS System Services

Showing 172

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

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

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

Allow user to provide output area for DFSGVRM call

The DFSGVRM macro gives us a way to get the real IMS level. We are having issues with the FUNC=REL (addressability; our code and way it's written) using MVS STORAGE macro and having inline DC statements. DFSGVRM FUNC=CALL requires caller to alloca...
almost 3 years ago in IMS System Services / General System 1 Not under consideration

When a /STO SUBSYS and subsequent /STA SUBSYS is issued, IMS has to be restarted in order to make the dep regions pick it up

The customer needs IMS to be able to start subsystems SSM members dinamically when an external subsystem is having issues. Currently, if a sick subsystem is causing problems, issuing a /STO SUBSYS on the sick subsystem and /STA SUBSYS on another S...
about 3 years ago in IMS System Services / System Management 1 Not under consideration

Allow IMS applications to connect with the MQ queue sharing group name

Allow a IMS BMP to issue an MQCONN call specifying the queue sharing group name instead of the queue manager name
about 3 years ago in IMS System Services / General System 2 Not under consideration

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 3 years ago in IMS System Services / General System 1 Not under consideration

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 3 years ago in IMS System Services / Installation and Configuration 1 Future consideration

CREATE IMSCON TYPE(PORT) command need MbrName parameter capability

I would like to activate a new PORT for IMS Connect using the CREATE Command. The issue is we have duplicate ports (different LPARS) in the same IMS PLEX. You can see below when I issue the following command that PORT 9000 is defined in 3 IMS Conn...
over 3 years ago in IMS System Services / Commands 1 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 ...
almost 4 years ago in IMS System Services / General System 2 Not under consideration