Re: error migrating database from 8.4 to 8.3

On 9 February 2010 02:55, Marc Lustig <ml(at)marclustig(dot)com> wrote:
> Due to a server issue we needed a reinstallation of Ubuntu along with a downgrade to Ubuntu Hardy.
>
>
> So this is what we did:
>
> - copied all from /var/lib/postgresql/8.4/main/ to the new server /var/lib/postgresql/8.3/main/
> - edited /var/lib/postgresql/8.3/main/postmaster.opts to correct the path
>
> Now trying to start the server results in
>
> * Error: The server must be started under the locale : which does not exist any more.
>
> I googled and found that people ran into this problem due to different architectures (32 vs 64 bit).
> In this case, the architecture is definiately the same.

In addition to Filip's note: this "copy of datafiles" ONLY works with
a) same architecture
and b) same postgres major version that's 8.X.y, where 8.x comprises
the "major".

So 8.4 to 8.3 isn't going to fly. Export/import is the only option.

Cheers,
Andrej

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