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Replication: IMS / VSAM

Showing 78

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...
over 2 years ago in Replication: IMS / VSAM  / Data Replication for IMS for z/OS 0 Future consideration

Metrics for this product shoul be provided as regular SMF collection for historical and monitor reasons

While metrics are provided using CDA Tool, it requires the user to activate the data collection and thre is no mechanism for the product to provide a more historial data gathering. Also thre is no way to automatically see trends other than manual ...
6 months ago in Replication: IMS / VSAM  / Data Replication for VSAM for z/OS 1 Future consideration

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 ...
12 months ago in Replication: IMS / VSAM  / Data Replication for VSAM for z/OS 1 Future consideration

Additional CDC monitoring feature

hi, As you know Classic CDC for IMS providing basic support. Nowadays it's important to monitor subscriptions' latencies, status or states for IMS side. It is posibble to monitor cdc for DB2 via API but we need same development for IMS. Before thi...
8 months ago in Replication: IMS / VSAM 2 Future consideration

Classic IIDR server's STOP,ALL command process should enable the timeout function

In a customer's production environment STOP,ALL command was entered to a IMS target server but the termination process hung. After 80 minutes passed STOP,ALL,IMMEDIATE was entered and the server successfully terminated. (The incident is reported b...
almost 3 years ago in Replication: IMS / VSAM 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 fi...

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 o...
about 1 year ago in Replication: IMS / VSAM  / Classic Change Data Capture 2 Future consideration

CDC Record type 99 generation to be controlled externally

To generate IMS records for CDC, each DBD must be augmented by adding an EXIT parameter to each segment. This would require a DBDGEN an OLC. We need a command (type1/2) to be able disable and enable type 99 record creation against a database that ...
over 3 years ago in Replication: IMS / VSAM 1 Not under consideration

Documentation of raw data format in Classic CDC MQ publishing.

This is not functional requirement, but documentation requirement. it seems that Classic CDC MQ publishing have a capability to publish data format by using PUBBINASIS=TRUE. I've found this function in developerWorks. https://developer.ibm.com/a...
almost 3 years ago in Replication: IMS / VSAM  / Classic Change Data Capture 0 Future consideration

Delete/Define operation on Vsam file needs to be logged

This RFE is for the VSAM development team.if a vsam file is enabled for replication using LOGREPLICATE, it can be enabled for replication using Classic CDC. if such file is DELETE/DEFINE which is very common for end of day processing, the replicat...
almost 4 years ago in Replication: IMS / VSAM 3 Future consideration