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I have installed PostgreSQL 7.2 but have problems getting the program to run
properly.

When I try start the postmater with pg_ctl I get the following error message

FATAL 1: The data directory was initialized by PostgreSQL 7.2, which is not
compatible with this version 7.1.3

I gather I must still have a version 7.1.3 on the system (does this come
with Redhat?). Is there a way to remove the old version or upgrade
everything to 7.2?

regards,
KSG

> -----Original Message-----
> From: Tom Lane [mailto:tgl@sss.pgh.pa.us]
> Sent: Friday, May 03, 2002 07:18
> To: Kristian Skrede Gleditsch
> Cc: pgsql-novice@postgresql.org
> Subject: Re: [NOVICE]
>
>
> "Kristian Skrede Gleditsch" <kgleditsch@ucsd.edu> writes:
> > I am trying to install PostgreSQL 7.2 under Redhat
> > The installation seems to work without problems. However, when I try to
> > start the program I encounter the following error message
>
> >> psql: connectDBStart() -- connect() failed: No such file or directory
> >> Is the postmaster running locally
> >> and accepting connections on Unix socket '/tmp/.s.PGSQL.5432'?
>
> > There is no such file in the /tmp/ directory.
>
> It sounds like you didn't start the postmaster.  pg_ctl is the usual
> manual method for that.  I can't tell from this whether you've installed
> any boot scripts to start the postmaster at system boot --- but even if
> you did, they'd not do anything until you reboot.
>
>             regards, tom lane
>
>