Re: pg_upgrade link mode

Yes Lonni. I agree with you.

On Thu, May 16, 2013 at 2:23 PM, Lonni J Friedman <netllama(at)gmail(dot)com>wrote:

> On Thu, May 16, 2013 at 11:03 AM, Igor Neyman <ineyman(at)perceptron(dot)com>
> wrote:
> >
> > From: pgsql-general-owner(at)postgresql(dot)org [mailto:
> pgsql-general-owner(at)postgresql(dot)org] On Behalf Of AI Rumman
> > Sent: Thursday, May 16, 2013 1:56 PM
> > To: Fabio Rueda Carrascosa
> > Cc: pgsql-general
> > Subject: Re: [GENERAL] pg_upgrade link mode
> >
> > I always think its a bit risky to use link instead of copying. However,
> I'd suggest to try the --check at first of pg_upgrade.
> >
> > --------------------------------------------------------------
> >
> > Why?
> > Do you have specific experience, when link mode caused any problems?
> > Could you share?
>
> I assume what he's referring to is if the upgrade gets partially
> completed and fails for any reason, then you have a broken mess, with
> no simple rollback path. Since your database is only about 1GB in
> size, it shouldn't take very long to run a base backup before doing
> the upgrade. You can send that backup over the network to a remote
> system, so that you have a fallback solution if the upgrade fails.
>