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System Management

Showing 42

SLDSREAD to retry automatically on secondary dataset

Testing the new feature SLDSREAD on IMS v11 and we have found a situation that we think is not correct. IMS always tries to mount the primary SLDS dataset even though it has an i/o error, it has been deleted or it has been marked in error. Several...
over 11 years ago in IMS System Services / System Management 2 Not under consideration

Improve function for compress of IMS type99 log using H/W component instead of MVS service

We plan to use IBM InfoSphere Data Replication for IMS for next disaster recovery system. It needs new IMS type99 log records for data replication at source system.The source system's CPU usage was increased 20 percents by adding type99 log. We wo...
over 6 years ago in IMS System Services / System Management 1 Not under consideration

Resolve huge ECSA usage problem caused by DMHR

Our customer is now designing new account system and they caused ECSA shortage by plenty of DMHRs.This main contributing factor is BMP batch a lot of insert calls toward one area.When initial create they needs to insert 800 million root segments t...
about 7 years ago in IMS System Services / System Management 2 Not under consideration

A lot of SMF80 records are wrriten when IMS CHNG call by not-signed-on users.

A similar option to AUTHLOG parameter is required for the customers of the CHNG call by not-signed-on users. In our customer's case, almost a million of SMF80 records were written a day, when LTERMs or TRANSACTIONs are not defined to RACF. Since t...
almost 9 years ago in IMS System Services / System Management 0 Not under consideration

Move EPCB and CSAPSB Pool above the 64-bit bar

Mizuho-bank is now designing new account system and experiencing ECSA shortage.The main contributing factors are EPCB and CSAPSB pools, despite the efforts of IMS technical team to shrink each PSB size (cutting off the DBPCBs) and reduce IFP regio...
over 4 years ago in IMS System Services / System Management 1 Not under consideration

Add a facility to alow User show how many Transactions have been processed by a SQ Member

Customer reported that in a Shared Queues environment the /DIS Command Outout does not allow him to verify which IMS in the IMSPlex has processed the Transactions.Customer SP's which are implementing new IMS Shared Queues Environments to proc...
over 5 years ago in IMS System Services / System Management 1 Not under consideration

Refresh exit DFSINSX0

DFSINSX0 - Request to dynamically load user exit
almost 7 years ago in IMS System Services / System Management 2 Not under consideration

DFSRRC00/BMP and IMSID

BMP runs with DFSRRC00 uses IMSID=xxxx to indicate which IMS the BMP should connect to. If IMSID used in JCL is an invalid subsystem in the LPAR, BMP fails with 0688. However if IMSID used in JCL is a valid non-IMS subsystem, the BMP does not fail...
almost 8 years ago in IMS System Services / System Management 1 Not under consideration

DDL Extensions for ALTER support (ACBSHR=Y)

DDL Extensions for ALTER is not supported for ACBSHR=Y. DDL Extensions is only available for CRATE.
almost 8 years ago in IMS System Services / System Management 3 Not under consideration

HWSJAVA0 buffer expansion

Provide a means for the IMS Connect message handling exit HWSJAVA0 to request additional buffer space. IMS Connect provides a documented mechanism for a message handling exit to request additional output buffer space by setting EXPINI_BUFINC. HWSJ...
about 8 years ago in IMS System Services / System Management 1 Not under consideration

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