Friday, August 23, 2024

After Migrating to a New Version of Db2 for z/OS, Rebind All Your Plans and Packages

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At this writing, a lot of Db2 for z/OS-using organizations are actively engaged in migrating to Db2 13 from Db2 12, and plenty of sites have...
3 comments:
Tuesday, July 30, 2024

Db2 for z/OS: What Makes for a Balanced Mainframe Configuration?

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What I'm writing about today is something I've been talking about for years, thought often in a somewhat indirect way. It has to do ...
Wednesday, June 26, 2024

Db2 for z/OS: Getting From Function Level 500 to 510 in a Db2 12 Environment

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It's pretty well known that getting the activated function level of a Db2 12 for z/OS system to V12R1M510 is required prior to migrating...
5 comments:
Thursday, May 30, 2024

Db2 for z/OS: Really Big Buffer Pools are Great, but Don't Stop There

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  Back in 2018, I reviewed an organization's production Db2 for z/OS environment, and saw at that time the largest z/OS LPAR real storag...
8 comments:
Monday, April 29, 2024

Db2 13 for z/OS: Utility Execution History

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  A few months ago, I got this question from a Db2 for z/OS DBA: "Is there a way we can check to see if the UNLOAD utility has been exe...
8 comments:
Friday, March 29, 2024

Db2 for z/OS Data Sets: If You're Worrying About Extents, You Can Probably Stop Worrying

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Not long ago, a Db2 for z/OS DBA sent to me, via a colleague of mine, a question. He described in an email the procedure that his team regul...
2 comments:
Tuesday, February 27, 2024

Db2 13 for z/OS: Now You Can Dynamically Remove, as Well as Add, Active Log Data Sets

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Db2 10 for z/OS (which came out back in 2010) provided a new capability related to management of a Db2 subsystem's active log data sets ...
1 comment: