Re: Stumped by a version conflict.

On Fri, Jul 16, 2010 at 4:31 PM, Patric Michael <bluestar43(at)gmail(dot)com> wrote:
> Hi all...
>
> I joined this list in an effort to solve a puzzle I fail to understand.
> Thank you in advance for taking the time to read.
>
> I've been managing a domain for the last eight years as an erstwhile
> administrator.  Erstwhile meaning it is largely a matter of setting up and
> automating the routine functions of the machine. I am not by any stretch of
> the imagination a guru. And please keep in mind that aside from minor tweaks
> and upgrades, I pretty much leave the machine alone.
>
> In that time, I've upgraded postgres 7.1 to 7.4 and now to 8.1 and have
> rarely needed to reboot the machine. (Yay CentOS!)  Manual installs from
> source.  Not RPM's
>
> A few days ago however, the co-lo appears to have taken the system down for
> a short time and brought it back up, essentially rebooting the system.  No
> big deal, except that until then, it had been running for almost two years.
>
> Everything came back up as expected, with the exception of postgres.  When I
> went to start it manually, I got an error warning of an unrecognized
> tcpip_socket parameter in postgresql.conf.  Searching the 8.1 manual I
> discovered it had been deprecated in favor of listen_addresses.  Odd, but
> okay.

Is it possible you started 8.1 in a different directory by hand
(pg_ctl -D /my/other/dir start) many years ago and that the default
old install of 7.4 is sitting in the /var/lib/pgsql spot?