I do not see anything running
On Feb 15, 2018 11:00 PM, "Laurenz Albe" <laurenz.albe@xxxxxxxxxxx> wrote:
I wrote:
> 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.
Apologies - I didn't see the part that "nothing is running".
To find the process that is blocking the port, you can run the following:
lsof -i TCP:5432
Yours,
Laurenz Albe
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