Re: Data format mismatch between minor versions

On Sat, Nov 14, 2020 at 2:21 PM Abhijith Balan <abhijithb21(at)disroot(dot)org>
wrote:

> Hi!
>
> I upgraded Postgresql from version 12.4.3 to version 12.5-3 and
> Postgresql reported that "old version of the database format was found".
> AFAIK this message usually appears after upgrade between major versions
> when there are drastic changes in internal storage format. I now have a
> working system back after downgrading the package to 12.4.3.
>
>
> I am using Arco Linux, an Arch Linux based distribution. Upgrade was
> done using package manager pacman. Downgrade was done using cache files
> of pacman.
>

There have been reports of packaging issues on arch around the updates
recently, see for example https://bugs.archlinux.org/task/68601.

Perhaps the same bug made its way downstream into your distribution?

--
Magnus Hagander
Me: https://www.hagander.net/ <http://www.hagander.net/>
Work: https://www.redpill-linpro.com/ <http://www.redpill-linpro.com/>