Re: FW: [NOVICE] Creating a new server

On Tue, Nov 14, 2006 at 01:31:28PM -0500, Carlson, James (Jim) wrote:
> I have an old server that is still working faithfully. It is running Red
> Hat 7.2 and Postgersql 7.2. In anticipation of the day it will die, that
> I am concerned is closer than I want it to be, I have set up a shinny
> new server running Red Hat Enterprise 4.
>
> I am trying to migrate the database from the old server to the new.
> Until I get things up and running on the new server, I do not want to do
> anything that I fear may cause damage or stop the server from working.
> This includes a re-boot. I am interested in the least impacting
> migration strategy.
>
> I tried
> >pg_dumpall > sync-up.db
> Connected to template1...
> Psql: FATAL 1: user "jcarlson" does not exist
>
> I then tried
> >createuser jcarlson
> Psql: FATAL 1: user "root" does not exist
> Createuser: create of user "jcarlson" failed
>
> I have found that I need to change the pg_hba.conf file to change the
> authentication mode. In the document it says I need to do a pg_ctl
> reload. How impacting will this be to the processes currently working?

It won't impact them at all.

> As stated earlier, everything is currently working. Is there a way to
> pg_dumpall or transfer the database without being a user or having to
> reload?

No, you have to be a user. But clearly there must be some kind of user
in the database already... right?

Also, you'll want to use the newer version of pg_dumpall, not the 7.2
version.
--
Jim Nasby jim(at)nasby(dot)net
EnterpriseDB http://enterprisedb.com 512.569.9461 (cell)