Db2 11.5 is here and with it comes a bunch of new features and changed behaviors in the area of Availability & Recovery that should make your every day tasks easier. Check out the list that includes items like Advanced Log Space Management, Reduced Logging and better HADR Reads on Standby.
Thinking about your availability and recovery strategy shouldn't give you sleepless nights. Db2 understands the importance of keeping your database online 24x7 and with Db2 11.1 / 11.5 and its continuous delivery of new features and enhancements, you are on the right path of achieving such goals.
When the DB2 HADR feature is enabled, the primary database's transaction logs are replicated to one or more standby databases in real time. The replication provides HA and DR protection, at a cost. The replication adds overhead to the primary's log writing.
This week we have IBM's Florence Dubois' presentation from IDUG NA 2014 on best practices to prepare of the recovery of multiple objects. Taking regular backups is necessary but far from sufficient for anything beyond minor application recovery.
October is Backup and Recovery month. It is also the month of goblins, ghouls and scary stories. Kurt Struyf tells us that these two themes often go together. Kurt presents a horror story of what can go terribly wrong when you don't have a good backup and recovery strategy.