From: | Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> |
---|---|
To: | Jim Cunning <jlcunning46(at)gmail(dot)com>, pgsql-general(at)lists(dot)postgresql(dot)org |
Subject: | Re: pg_upgradecluster version 10 to 16 question |
Date: | 2025-06-10 20:14:50 |
Message-ID: | 98182efc-eb12-42f0-8016-01163b5c6fcb@aklaver.com |
Views: | Whole Thread | Raw Message | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-general |
On 6/10/25 13:01, Jim Cunning wrote:
> I had a Ubuntu 20.04 LTS system with a postgresql version 10 database,
> and the system became unbootable. The database was stored in
> /var/lib/postgresql/10/main and I was able to recover the entire
> contents of the data in that directory and below. I now have a system
> running ubuntu 24.04 LTS with postgresql version 16.
>
> I obviously no longer have a running version 10 server, so I cannot use
> pg_dump to retrieve the data. I have placed the recovered version files
> in /var/lib/postgresql/10/main on my new system, alongside the
> /var/lib/postgresql/16/main that was created when I installed
> postgresql. I have tried several iterations of the pg_upgradecluster
> command, a Python script provided by Ubuntu, but it says it cannot find
> the database files.
>
> I also see from the postgresql wiki pages that there is a pg_upgrade
> utility program, but cannot find in any of the Ubuntu-provided
> installation files. Can anyone provide some guidance on how I might
> proceed?
1) Do:
man pg_upgradecluster
2) Assuming you used the PGDG repos to install Postgres you can do:
sudo apt install postgresql-10
to get a Postgres 10 install. I would move the
/var/lib/postgresql/10/main you created out of the way and then move the
contents back in to the installed version.
>
> Thanks in advance.
>
--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com
From | Date | Subject | |
---|---|---|---|
Next Message | David G. Johnston | 2025-06-10 20:15:22 | Re: pg_upgradecluster version 10 to 16 question |
Previous Message | Jim Cunning | 2025-06-10 20:01:17 | pg_upgradecluster version 10 to 16 question |