Database Failover on a PostgreSQL Cluster: Part Two - Former Primary Comes Back Online

Lukas Vileikis

This video is a continuation of "Database Failover on a PostgreSQL Cluster with ClusterControl." This part showcases how ClusterControl is proactively monitoring to avoid split brain scenarios when a previous writer master comes back to life or back online. This is a good example for when a network issue occurs and a failover happens, but then the network resolves itself. Checkout how ClusterControl does node fencing to avoid this situation.

ClusterControl
The only management system you’ll ever need to take control of your open source database infrastructure.