IBM Data and AI Ideas Portal for Customers


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Replication: IMS / VSAM

Showing 76 of 12278

Limit maximum number of writer tasks that can be assigned per subscription

We had an incident where one subscription had monopolized most of the writer tasks which caused replication latency for the RMs of all the other subscriptions in that source/target server pair. Therefore, there should be a parm to set a limit for...
3 months ago in Replication: IMS / VSAM  / Data Replication for VSAM for z/OS 1 Future consideration

Journal Field for to identify transaction which updated the record

We are looking for following fields in management console journal fields which can help us identify who updated the record information :-First Priority - &JOB (This is must have field for all update/delete/insert operation on the record - It ...
6 months ago in Replication: IMS / VSAM  / Classic Change Data Capture 1 Planned for future release

High availability for IMS CDC in a SYSPLEX environment

We are currently implementing CDC for IMS in our Production environment. This consists of 2 IMS v15.2 systems running on 2 different LPAR's, in a SYSPLEX. The OS on both are currently z/OS 2.3. CDC for IMS runs on 1 LPAR, replicating the LOGS of b...
6 months ago in Replication: IMS / VSAM  / Classic Change Data Capture 2 Future consideration

CHCCLP event monitoring restructuring

CHCCLP returns events from the oldest to the newest, with a limit of 10000 events returned. When using CHCCLP to monitor subscription activity, the intent should be to get the most recent events and current status of subscriptions, not the oldes...
9 months ago in Replication: IMS / VSAM 1 Planned for future release

CDA Insufficient Access Authority when logging on

Ref TS003663019 - When using CDA there is no option to log-in with read-only access so the assumption is that any CDA user could add, delete, or update a subscription. This is inapproriate for a Production Environment hence why we are experiencin...
about 1 year ago in Replication: IMS / VSAM  / Data Replication for VSAM for z/OS 0 Future consideration

Allow mapping of character fields > 254 Bytes in CDA

Currently Classic Data Architect (CDA) skips over any COBOL Copybook field greater than 254 Characters. It does not issue a warning or error it just skips the field and goes on to mapping the next field. This request will have CDA map character...

Track completed UORs to improve conflict handling during a subscription's adaptive apply restart window

When a subscription is restarted, a conflict from the original failing UOR is ignored during the subscription's adaptive apply restart window, resulting in an erroneous, successful restart of the subscription. Because of the unknow state of the u...
over 1 year ago in Replication: IMS / VSAM  / Data Replication for VSAM for z/OS 0 Future consideration

Add additional retry logic when there is a tape volume that is unavailable

Add additional retry logic to better recover from an I/O error while reading a block from an IMS log when there is a tape volume that is unavailable during change stream connect processing. (1)SalesForce Case TS002782852 - DRISRP - Inter...
almost 2 years ago in Replication: IMS / VSAM  / Data Replication for IMS for z/OS 0 Future consideration

Suppress DD-level accounting information in the SMF type 30 EXCP section for individual DDs.

We found that E-Private SP230 Key0 storage growth was occurred in IIDR Classc Capture service. It was due to SMF type 30 EXCP information at DD name dynamic allocation. Our case was 100 thousand DD Dynamic allocation for IMS OLDS open. . Then...
almost 2 years ago in Replication: IMS / VSAM  / Data Replication for IMS for z/OS 0 Future consideration

SSIDEXCLUDELIST - Generic namesc

It would be very helpful to have the possibility to code some generic names in the Classic Change Data Capture for IMS z/OS in the parameter field SSIDEXCLUDELIST. In some cases, customers need to code several hundred or thousands of names which ...
almost 2 years ago in Replication: IMS / VSAM  / Data Replication for IMS for z/OS 0 Future consideration