Re: Upgrading with WALs

On Tue, 2008-07-29 at 16:03 -0500, Chris Bovitz wrote:
> As I mentioned earlier, we are doing major upgrades to our database
> servers from 8.1.3 which necessitates the use of pg_dumpall. But what
> do we do with the WALs? Should we delete them? Or should we leave them
> there, and the new version of PostgreSQL will pick up where they left
> off? Should we turn off WAL archiving while rebuilding the database
> with the pg_dumpall output?

You can not use one cluster on top of the other. Once you have the new
PostgreSQL installation upgraded you would remove your old one. E.g;
this will be an outage, you can not do it online (without something like
SlonY0.

Sincerely,

Joshua D. Drake

>
> Thanks again.
>
>
> Chris
>
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