While system failures seldom happen, most customers expect crash recovery to complete quickly. Our development team decided upon a solution which promised increased availability, without risking the distinguished resilience that Db2 has achieved over the decades.
With the many new features introduced in 220.127.116.11, not to be overlooked are some of the enhancements made in the area of Recovery and Availability.
This article by Michael Roecken and David Sciaraffa does a deep dive into the recovery and availability enhancements in Db2 V18.104.22.168
It's inevitable that you see a couple of DB2 fix packs every year and place the readme document in a drawer somewhere for perusal later when you are not busy. While the fix packs may contain fixes there are sometimes a few enhancements buried in the fine print.
One of the most painful experiences in the work life of a database administrator (DBA) is probably the accidental drop of a database object on a production subsystem. Most IT shops have procedures to prevent this occurrence, yet it still happens.