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Today we have situations where people authorized to start DB2 traces sometimes issue START TRACE commands with little qualifications with lead to traces being collected for lots of DB2 threads which ends having impact on general performance of the...
Support of MVS SMF logstream for DB2 utility : DSN1SMFP
At this time IBM recommend to migrate SMF dataset to logstream to have better performances and usuability. We have done that but when we try to use DSN1SMFP DB2 utility to read DB2 SMF records we have and abend : IEC141I 013-A8 We think this tools...
FL505 REBIND phase-in for packages extended to include BIND Package ACTION(REPLACE)
Rebind phase-in is already useful.
We have use cases typically for HOLD actions for 3rd party tools that tend to BIND Package ACTION(REPLACE) rather than REBIND existing packages.
So we still have to find a quiet time, e.g. for QMF Binds
Like the ...
With the attention on protecting sensitive customer data in our industry being very high, having a simple way to mask data on any table in any environment is a powerful tool. If a data element such as SSN is stored as an unformatted numeric, curre...
Error message improvement when failing to convert tablespace to UTS PBG
Recently we are converting our old segmented and simple tablespaces to UTS PBG. When converting one of these tablespaces we got an abend and a DUMP showing reason code 00C90101. We opended a case (TS009249828) and analyzing the DUMP DB2 lab conclu...
Our installation has repeatedly had trouble with Db2 shutting down in a timely fashion for IPLs. We have taken dumps and sent them to IBM and IBM has stated repeatedly that the delay in shutdown involves dataset close. We set DSMAX very high and h...
Cross-Invalidation due to pcloset/p-lock negotiation avoidance
Problem Statement / Pain points : Whenever there is no R/W activity and PCLOSET threshold is reached, pagesets SWITCH OUT of GBP dependency and the pages in our Bufferpools are cross-invalidated . Thereafter when R/W starts again, pagesets SWITCH ...
Please would it be possible to set the DB2 for z/OS ZPARMs, TSQTY and IXQTY, to -1?
Virtually all of our tablespaces and indexspaces are created with a PRIQTY and SECQTY of -1. It would be really useful to set the default values for TSQTY and IXQ...
DB2 z/OS - Message id - DSNJ110E - Additional alerts for active log monitoring and highlighted new message id when DB2 logging was suspended
We had a major incident due to suspended logging for one of the critical customer.
One of the critical production DB2 subsystem logging was suspended , caused by stalled archive log offloading process due to insufficient storage space on archive...
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