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IBM Data and AI Ideas Portal for Customers


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Db2 for z/OS

Showing 47

ARCRETN - Managing by DFSMS - SMS Management Class

In a situation related to replication delay, it was necessary to keep the Db2 archive log longer than its current retention period. The subsystem parameter ARCRETN was set as 17 days as in Management Class. The planning was to alter the retention ...
2 months ago in Db2 for z/OS 0 Under review

Reverse engineer ZPARM to ASM format like in DSNTIJUZ

Very often the source code of any given ZPARM for a Db2 for z/OS subsystem "disappears". Be it holiday, be it by accident, be it CANCEL after submit... Whatever the reason, the problem is the same: You have a running version of the ZPARM that does...
8 days ago in Db2 for z/OS 0 Under review

Support REORG for DEFINE NO

I have heard, in various IBM presentations (Haakon at IDUG Valencia, John Lyle at CCDB2) talking about Db2 Vnext, the statement "no migration to vnext if you have 6 byte RBA/LRSN or non-UTS tablespaces". This if fine unless you happen to have old ...
2 months ago in Db2 for z/OS 3 Under review

Display DSNT741I message to MSTR address space regardless of source.

Currently, after the start profile command is successful, the system will generate DSNT741I message. This is relayed back to wherever the command was issued. I'd suggest also displaying the command in the master regardless of the source.
3 months ago in Db2 for z/OS 0 Under review

Db2 Developer Extension - Add support to execute external COBOL stored procedures from catalog list, save input parameters and reload saved values as well as generating DDL and dropping the stored procedure

Application Developers use Data Source Explorer in Data Studio to display external COBOL stored procedures from the db2 catalog. They right click and get options to run the stored procedure after inputting values, generate the DDL and can also dro...
6 months ago in Db2 for z/OS 5 Under review

Generate recovery JCL for all tablespaces in a database

When you go to a tablespace in the db2 catalogue, you can use line commands U.V* to generate recovery JCL to recover the tablespace to a previous state. What if you want to recover the entire database to a previous state? It would be good if you c...
11 days ago in Db2 for z/OS 0 Under review

Generate Check Data job at database level

It is currently possible to generate a Check Data job at tablespace level in the db2 catalogue tool by going to the tablespace and using the U.KD line command on the tablespace. However, what if you want to perform a check data on all tablespaces ...
11 days ago in Db2 for z/OS 0 Under review

Db2 start command message output and return code

If a Db2 database is in RO mode at database level and you issue a -STA DB(DBName) SP(TSName) ACCESS(RW) command via batch, it outputs "DSNTDDIS 'START DATABASE' NORMAL COMPLETION" which is misleading because the table still cannot be loaded therea...
7 days ago in Db2 for z/OS 0 Under review

Generating unload and load jobs using the db2 tool

If you go to a tablespaces in the db2 catalogue and use the U.U line command, you can generate an Unload Job for that tablespace where the JCL specifies an unload file and a SYSPUNCH control card file. However, what if you want to unload the data ...
11 days ago in Db2 for z/OS 0 Under review

DISPLAY BUFFERPOOL issues a message, TOTAL SYNC I/O DELAY FOR BP?? = ?????????? MILLISECONDS.

We are currently are running a bufferpool simulation in production. When I issue the command: -DISPLAY BUFFERPOOL(BP40) DETAIL(INTERVAL) The following message is issued: DSNB432I -DPP2 SIMULATED BUFFER POOL ACTIVITY - AVOIDABLE READ PAGE MISSES - ...
2 days ago in Db2 for z/OS 0 Under review