Alan Hodgson wrote: > On Thu, 2018-02-15 at 18:21 -0600, Azimuddin Mohammed wrote: > > Hello, > > I am unable to start postgres on one of the server > > I am getting below error "HINT: is another postmaster already running on port 5432, if not wait a few seconds and retry" > > I checked the processes nothing is running with postgres > > > > I think the error caused because I removed everything under /data directory before stopping the server. > > Can someone help. > > kill -9 the old processes. The old postmaster is holding onto the port. > And probably some of the old file handles, too, so you might want to re-init the new database > cluster after really cleaning up the old one. This seems excessive - maybe the server he wants to start is already running and there is no need to crash or wipe it. To give a better answer we would have to know which operating system it is, which PostgreSQL version and how it was installed. Yours, Laurenz Albe -- Cybertec | https://www.cybertec-postgresql.com