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IMS Database Manager

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ODBM must be downward compatible between code and release levels

Our customers use ODBM which is a common service layer component servicing multiple IMS target systems. Currently if one of the target IMS systems is migrated to a new release and ODBM is not at that point migrated we lose access to the IMS system...
about 7 years ago in IMS Database Manager / Open Access DB 1 Not under consideration

IMS Asynchronous Lock Duplexing

With DB2 12, we can activate the Asynchronous Lock Duplexing. We need the same functionality for IMS.
about 3 years ago in IMS Database Manager / General DB 1 Not under consideration

Add additional statistics to the DLRACCT stats area

Adding additional metrics to the DLRACCT data area will provide better insight into where units of work are spending time and help identify bottlenecks. Currently, field DLRESAF provides a total number of ESAF Normal calls. Would like to see this ...
over 2 years ago in IMS Database Manager / DLI 1 Not under consideration

Support DBFUMIN0 with DBRC=N under the IMS Managed ACB environment

We typically use DBFUMIN0 utility with DBRC=N to format ADS because we could save time to spend DBFUMRI0 utility. We do not format ADS during online transaction processing by using DBFUMRI0, but we use DBFUMIN0 with DBRC=N to format ADS, then...
over 3 years ago in IMS Database Manager / Fast Path 1 Future consideration

DCLGEN for the IMS Catalog

We need to be able to generate PL/I definitions/includes with the IMS Catalog as the source and the leading system/basis. It should be possible to integrate that type of generation with the software build process.
over 6 years ago in IMS Database Manager / General DB 1 Not under consideration

Increase the Maximum Size of the IRLM Lock Entries from Its Current Maximum of 1024 MB lock entries.

Currently we have a large number of false contentions within our IMS data sharing group, and we have increased the LTE value to 256 which causes us to reach the Maximum size of 1024mb.(256 * 4 Byte Entry = 1024mb) We need to be able to increase th...
6 months ago in IMS Database Manager / General DB 0 Under review

64-bit capability for OSAM buffer pools

Wells Fargo IMS subsystems are reaching memory capacity. The largest user causing this constraint is OSAM buffer pools. Moving these buffer pools to 64-bit would relieve the constraint.
7 months ago in IMS Database Manager / All components 1 Not under consideration

Default value type setting in IMS Catalog for Explorer inserts

Modify the IMS Catalog to have default values for field statements, that is: spaces, low values, zeros, zoned, etc. This would then be used by IMS Explorer Suite for inserts when a field value is not specified. For Example on this "Insert into MS3...
about 9 years ago in IMS Database Manager / General DB 3 Not under consideration

Allow ODBM synchronous data capture using third party exits

Today we are using the Precisely SQD product for IMS data capture replication. It captures changes and writes them to its own log stream (Synchronously, no IMS log records), then processes them after that (Asynchronously). They get control at the ...
about 1 year ago in IMS Database Manager / Open Access DB 1 Future consideration

Move Fastpath Lookaside Buffers out of ECSA

Currently VSO lookaside buffers live in ECSA. For users with large amounts of highly used VSO's this means 100's MB's of ECSA can be assigned to the CTL region for these buffers. In a modern IMS system it would make sense for these buffers to me m...
over 1 year ago in IMS Database Manager / Fast Path 1 Not under consideration

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