Replication is great, provided that it works. Replication works well if it's understood, and it works even better if it's tested.
Managing streaming replication
Getting ready
You need to have a plan for the objectives for each individual server in the cluster. Which standby server will be the failover target?
How to do it…
Switchover is a controlled switch from the master to the standby. If performed correctly, there will be no data loss. To be safe, simply shut down the master node cleanly, using either the smart or fast shutdown modes. Do not use the...