From: Andrzej Zawadzki <zawadaa@gmail.com>
To: pgsql-admin@postgresql.org
Subject: Re: upgrading, but learned about pg_dumpall too late
Date: Sat, 20 Feb 2010 23:42:40 +0100
Message-ID: <4B806560.2000104@gmail.com> (raw)
In-Reply-To: <4B805376.80705@FastMail.fm>
References: <4B805376.80705@FastMail.fm>
On 20.02.2010 22:26, Richard O. Hammer wrote:
> Hello,
>
Hi!
> I hope someone can tell me how to recover my database tables. I
> recently upgraded to a new Linux server. First I saved a copy of my
> /var/lib/pgsql/data/*, which was created with PG version 7.4. On the
> new Linux server I have PG version 8.1.11.
>
> But now, trying use my old tables, I discover that I should have saved
> the tables with the pg_dumpall command before I abandoned the
> version-7.4 Postgres server. Unfortunately I did not know about
> pg_dumpall.
>
> So now I'm wondering if there is a way I can read and update my
> version-7.4 data directory with my version-8.1 postmaster.
>
> Here is one thing I've tried:
> bash-3.2$ pg_ctl start -D /var/lib/pgsql/old/data
> FATAL: database files are incompatible with server
> DETAIL: The data directory was initialized by PostgreSQL version
> 7.4, which is not compatible with this version 8.1.1
>
> Any suggestions will be appreciated.
>
Downgrade to 7.4
Dump
Upgrade
Restore
--
Andrzej Zawadzki
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-admin@postgresql.org
Cc: zawadaa@gmail.com
Subject: Re: upgrading, but learned about pg_dumpall too late
In-Reply-To: <4B806560.2000104@gmail.com>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox