From: Laurenz Albe <laurenz.albe@cybertec.at>
To: Alan Hodgson <ahodgson@lists.simkin.ca>
To: pgsql-admin@postgresql.org
Subject: Re: postgres not starting
Date: Fri, 16 Feb 2018 06:00:04 +0100
Message-ID: <1518757204.2909.7.camel@cybertec.at> (raw)
In-Reply-To: <1518756706.2909.4.camel@cybertec.at>
References: <CAKUuFd7qfEmH9zBDJEYb8zgyfiAob0XdvL+cm73MbUseHzHpyA@mail.gmail.com>
<1518742460.11219.15.camel@lists.simkin.ca>
<1518756706.2909.4.camel@cybertec.at>
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
--
Cybertec | https://www.cybertec-postgresql.com
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To: pgsql-admin@postgresql.org
Cc: laurenz.albe@cybertec.at, ahodgson@lists.simkin.ca
Subject: Re: postgres not starting
In-Reply-To: <1518757204.2909.7.camel@cybertec.at>
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