| From: | "ktm(at)rice(dot)edu" <ktm(at)rice(dot)edu> |
|---|---|
| To: | Benjamin Krajmalnik <kraj(at)servoyant(dot)com> |
| Cc: | pgsql-admin(at)postgresql(dot)org |
| Subject: | Re: Installing multiple instances of Postgred on one FreeBSD server |
| Date: | 2013-05-01 20:08:35 |
| Message-ID: | 20130501200835.GN27807@aart.rice.edu |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-admin |
On Wed, May 01, 2013 at 01:58:21PM -0600, Benjamin Krajmalnik wrote:
> I need to migrate a production database from Postgres 9.0 to Postgres
> 9.2.
>
> Running FreeBSD 8.1/amd64, and presently running Postgres 9.0.4.
>
> Due to the nature of the application, I cannot have any considerable
> downtime, so the pg_dump and install new version route is not an option.
>
> I would like to install PG 9.2 on the same server and use Slony to
> replicate the databases, and once everything is up take the 9.0 cluster
> down.
>
> Ideally, I would like to do this from the ports.
>
> Any suggestions will be deeply appreciated.
>
Hi Benjamin,
Using Slony will definitely work. We have used it many times for this
type of upgrade. Since you are on the same box, have you considered using
pg_upgrade?
Regards,
Ken
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