Upgrading an Existing EDB Failover Manager Cluster 3.0 to new EFM 3.1

As you all know, EDB Failover Manager(EFM) provides the high availability insfrastructure for EDB Postgres clusters. Failover Manager monitors the members of a Postgres cluster, identifies and verifies database failures quickly and reliably, and if needed promotes a standby node to become the cluster master and issues alerts. Every release of EFM has new features and functionalities and to take benefit of it you may need to upgrade your existing cluster to new version.

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