Postgres - FATAL: database files are incompatible with server

Question

After restarting my MacBook Pro I am unable to start the database server:

could not connect to server: No such file or directory
Is the server running local         


        

Answer 1

It happened for me when I was trying to start Postgres12 with postgres11 mounted volume. Just deleting the mounted volume for postgres11 and restart worked for me.

Previously I was using:

docker run -d --name my_database -v /Users/champ/postgres:/var/lib/postgresql/data -p 54320:5432 postgres:11

I deleted /Users/champ/postgres and restarted postgres 12, using

docker run -d --name my_database -v /Users/champ/postgres:/var/lib/postgresql/data -p 54320:5432 postgres:12