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.

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