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The Type 99 records are not needed for IMS database integrity andtheir processing consumes a large amount of I/O bandwidth on thecritical OLDS log stream. It would be useful to split this I/O to a differentlog stream (along with copies of the nece...
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 th...
Classic CDC/ IIDR for VSAM needs to send only needed data for Replication
Classic CDC/IIDR for Vsam capture is sending the before values for all fields in source VSAM datasets.This adds significant overhead. The capture needs to send the before and after values of the key column and before and after image of the changed...
Support IIDR reads from Secondary Volumes of Global Mirror
Support IIDR Capture reading from secondary volumes of Global Mirror.The customer uses IMS FP function for core banking systems. The customer is planning IBM InfoSphere Data Replication for IMS(IIDR) as the next DR solution instead of IMS RSR. As...
Track the oldest read-for-update in the bookmark to know where to start rebuilding read-for-updates on restart
VSAM Replication to track the oldest read-for-update in the bookmark to know where to start rebuilding read-for-updates on restart. This is required to resolve the issues we have been experiencing when our application does a read-for-update hours...
Infosphere IMS replication needs to handle compressed logs
Product: Classic IMS Replication - Ref PMR 79637,082,000"Classic needs to be able to determine the compressed log records never included data capture log records or commit/back-outrecords for any in-flight UOR that included data capture log records".
Do not process columns 73-80 on SYSIN DD as a command of CACCFGUT utility
We use IBM InfoSphere Data Replication for IMS V11.3. CACCFGUT(configuration migration and maintenance) utility uses columns 73-80 on SYSIN DD as a command value. ISPF automatically set numbers in columns 73-80. If we do not delete those numbers o...
current IMS log reader TAPE contention behavior needs to be improved during change stream activation
Please refer to the PMR 02209,69G,760 and APAR PI71320 submitter page.--- start of the APAR quotation ---The current IMS log reader VTS contention behavior needs to be improved. Contention occurs when the IMS log reader attempts to access an archi...
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