Re: System (and DB) upgrade problem., "part 2"

On Mon, Jan 18, 2021 at 03:13:13PM -0600, Ron wrote:
> On 1/18/21 2:58 PM, Bruce Momjian wrote:
> > On Mon, Jan 18, 2021 at 09:53:33PM +0100, W.P. wrote:
> [snip]
> > > Ok, so "step-by-step":
> > > 1), I copy / move "somewhere" OLD DB files (*/pgsql/data/* for -d option),
> > > 2). Do initdb / postgresql-10-setup to create NEW empty base (in
> > > /var/lib/pgsql/ or somewhere, for -D option),
> > > 3). do pg_upgrade.
> > >
> > > Is that correct?
> > >
> > > Is there somewhere "guide for 9.x -> 10.x CONCEPTS changes (and upgrade)
> > > guide"? (clusters etc).
> > The pg_upgade docs have all the steps.
>
> The documents tend to assume the reader thoroughly knows Postgresql, and
> that's manifestly Not True.

What is your point? Maybe they shouldn't be using pg_upgrade then,
right? If the documentaiton is unclear, please explain why.

--
Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
EnterpriseDB https://enterprisedb.com

The usefulness of a cup is in its emptiness, Bruce Lee