SQL1643C on Rollforward

I ran into this error message recently and thought I’d describe what the issue was.

The Scenario

I was building a new consolidated development database server for a client – moving away from 10 separate database servers to one (big) VM to run their development workloads.… Read the rest

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DB2 Basics: Patching DB2

Like any software, DB2 requires frequent patching. A database should be one of the most secure parts of any enterprise, and keeping it secure means keeping up with the fixes that are delivered in fix packs.

Fix Packs

DB2 delivers many things through fixpacks, including:

  • Security Fixes
  • Bug Fixes
  • New Functionality – though IBM goes back and forth on this

IBM delivered Native Encryption in Fix Pack 5 of DB2 10.5.… Read the rest

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HADR Tools: the HADR Simulator

I have not made extensive use of the HADR Tools that IBM offers in the past. Most of my HADR setups to date have either been same-data-center using NEARSYNC or have used ASYNC to copy data between data centers. I haven’t had much cause to tweak my network settings or change my SYNCMODE settings based on hardware/networking.… Read the rest

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