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IMS System Services

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Reprocessing of messages after ESS returned a not ready condition at Phase I.

IMS should not reprocess messages in case an ESS system is returning a "not ready" condition at Phase one.This may lead to different problems into IMS as we have seen in our customer environment . The following are just two examples of what can oc...
about 11 years ago in IMS System Services / General System 3 Not under consideration

A message should be issued at the end of the Database re-open process during IMS Warm or Emergency Restart

When IMS is restarted either Warm or Emergency all Databases which were previously Open and Authorized are automatically re-opened. This happens right after restart completes unless NOPDBO is coded in DFSVSMxx PROCLIB Member. If dependent region p...
about 11 years ago in IMS System Services / System Restart 2 Not under consideration

Add new IMS Restart command/parameter in Shared Queue Environment

After IMS Shared Queue implementation Customer created new procedures to start the IMSSQ in a Disaster Recovery Site. We must to delete/redefine the SRDS (Structure Recovery), CHKPT (Checkpoints) control datasets, delete/redefine the logstream of ...
about 11 years ago in IMS System Services / System Management 2 Not under consideration

Request changes to IMS Global Online change

Currently we are using IMS Global Online Change in our 10 Way IMS Datasharing environment. We are currently looking at migrating to IMS V12. We use an Early Validation when migrating to a new version of IMS however it was identified that we can no...
about 11 years ago in IMS System Services / General System 2 Not under consideration

Add tran code to HWSD0252W msg

We recently had a problem involving messages sent from IMS Connect clients timing out. Knowing the IMS transaction that is being requested would save time in problem determination. HWSD0252W UNABLE TO SEND RESPONSE FROM DS=IMS21 TO CLIENT=HWSOU0EB...
over 11 years ago in IMS System Services / System Management 2 Not under consideration

IMS emergency restart should be extended to allow the possibilty of an Emergency Restart "light"

A new Emergency Restart light function following an IMS abend would start IMS, perform all DB backouts and resolve any in-doubt threads but not allow any other work to be started. Following the ERE light IMS should terminate - either automatically...
over 11 years ago in IMS System Services / System Restart 1 Not under consideration

Externalize BPE TTE and TTVE

In IMS V13, IBM is providing macro HWSUSTAT, which has DSECTs HWSUSTAT and HWSLRCTR. From what I understand these DSECTs document the variable entry variable section of the HWS RCTR BPE external trace records (based on BPETRFM0 output). These DSEC...
over 11 years ago in IMS System Services / Diagnostic Utilities 3 Not under consideration

Reject huge Web Service requests/responses in ICON

This requirement has been submitted as MR1220125727. To prevent individual Web Service requests from blocking ICON instances they should be rejected by ICON. Instead, a SOAP Fault should be returned. This should be done for SOAP requests or PL/I r...
over 11 years ago in IMS System Services / System Management 2 Not under consideration

Modifications in ICON to exploit upcoming changes in PL/I memory layout and RDz

This requirement has been submitted as MR1220127810. RFE ID 29703 requests the PL/I compiler to handle varchar variables of complex structures in a way that allows the size of IMS Web Service requests and responses to be minimized. RFE ID 29705 re...
over 11 years ago in IMS System Services / System Management 0 Not under consideration

Parallel execution of converters

This requirement has been submitted as MR0516124555. Once large applications will go into production, Credit Suisse has a huge number of concurrent Web Service requests. It is expected that the system will not perform satisfactorily if the convert...
over 11 years ago in IMS System Services / System Management 3 Not under consideration