I'm having trouble with PostgreSQL failover. What should I check first?
First, check the logs for any error messages during the failover process. This can provide clues about what went wrong.
I checked the logs, and there are connection timeout errors. What does that mean?
Connection timeout errors usually indicate that the standby server is not reachable. Ensure that the network is functioning and that the standby server is running.
What if the standby server is running but still not connecting?
In that case, verify the configuration settings in your PostgreSQL configuration files, especially the pg_hba.conf
and postgresql.conf
files.
Thanks! How can I test the failover process to ensure it's working?
You can perform a controlled failover by using the pg_ctl promote
command on the standby server to see if it takes over successfully.
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