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Db2 profiles - Enable monitoring and enforcement of AUTHIDs
Db2 v13 offers new feature of Db2 profiles to support monitoring and enforcement of TLS secure connections. Please add ability to do this at AUTHID level. Some apps and users have converted and we could put in a profile to ensure only secure conne...
Improve INDOUBT thread processing in two-phase commit scenario
Recently we had a pretty severe production outage on an 8-way data sharing group. After resolution of the root cause, WAS and Db2 z were quite slow in recovery. Following the crash, there were dozens of indoubt threads and lots of retained locks a...
Resolve issue where DB2 has an issue with invalid MDSNxx Class profiles created in RACF
IBM Please read the case TS013914362. In summary DB2 created dumps/abends when the RACF administrator deleted permissions to some incorrectly formatted profiles in one of the MDSNxx classes. When the administrator performed the permit delete and i...
Supply RACF Exit IRREVX01 to fail commands against Db2 classes that don't have the proper syntax.
As encountered in Case TS013914362, invalid profiles would not be created that could leave unused records in the RACF data base and also confuse Db2 when RACF notifies Db2 to refresh the cached profiles. All Db2 for z/OS users utilizing RACF could...
We did a large GRECP recovery test with around 68.000 GBP dependend objects. After restart and the automatic GRECP recovery we see a lot of DSNI025I, DSNI026I, DSNI027I, DSNI028I and DSNI029I messages as expected, but they have no correlation to t...
Set Partition Index, DPSI to the same DSSIZE as Tablespace when converting to RPN and ALTER TABLESPACE DSSIZE is after ALTER TABLESPACE PAGENUM RELATIVE
In numerous cases it is impossible to put the ALTER TABLESPACE DSSIZE in front of the ALTER TABLESPACE PAGENUM RELATIVE due to the number of partitions and page size. Currently this only works with the following. After the reorg materialization th...
Identify when all members of a Data Sharing Group are up and operational
After a crash or hard down, Db2 will perform its recovery processing including GRECP and LPL processing. There are external systems (e.g. CICS, MQ, etc.) that are dependent on all members in the data-sharing group to be fully up and operational an...
Having to force the business to accept service outages to bring application DB2 packages and plans up to the current operating software level has been a painful aspect of DB2 upgrades for many years.
This also meant that the adoption/rollout of s...
Currently IBM allows the creation of indexes for JSON docs stored in an inline LOB but not a non-inline LOB. We want to make full use of JSON docs in DB2 for zOS. We wanted to avoid having to move more apps to MongoDB.
Resolve a restriction that CACHE DYN STABILITY function can not use with CONCENTRATE WITH LITERALS option.
Customer environment Db2 V12 <- DRDA -> Db2connect/JDBC(IBM Data Server Driver for JDBC and SQLJ type 2) Server side.(JDBC Type2 is used) Windows server: - WebSphere BASE 9.0.0 （Windows2016） - Db2client / IBM Data Server Runtime Client V11.1...
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