Re: pg_upgrade does not translate tablespace location to new cluster - Mailing list pgsql-general

From Bruce Momjian
Subject Re: pg_upgrade does not translate tablespace location to new cluster
Date
Msg-id 201107182032.p6IKWY823118@momjian.us
Whole thread Raw
In response to Re: pg_upgrade does not translate tablespace location to new cluster  (Guillaume Lelarge <guillaume@lelarge.info>)
Responses Re: pg_upgrade does not translate tablespace location to new cluster
List pgsql-general
Guillaume Lelarge wrote:
> On Fri, 2011-07-01 at 18:30 +0200, Olivier LEVESQUE wrote:
> > Guillaume,
> >
> > Thank you for your answer,
> >
> >
> > >> Creating databases in the new cluster
> > >> psql:/opt/pgsql/bin/pg_upgrade_dump_globals.sql:38: ERROR:  directory
> > >> "/pgqdata/pgserver01/data/tbs_ptest/PG_9.0_201008051" already in use
> > >> as a tablespace
> > >>
> > >
> > > That would mean that you have a 9.0 tablespace in
> > > the /pgqdata/pgserver01/data/tbs_ptest directory. Is it true? and IIUC
> > > your directory layout, it shouldn't.
> > >
> >
> > Yes, you're right.  This directory was here from my last succesfull pg_upgrade.
> >
> > But the problem is that now, data of the new cluster is scattered
> > across two paths which is not what I expected.
> >
> >
> > > The only way is to change the code. It shouldn't be too hard, but is
> > > potentially dangerous.
> >
> > Why dangerous ? It could be an option.
> >
>
> I didn't mean the option is dangerous. My point is: I don't think it
> would be interesting to add this change to the mainstream pg_upgrade
> because the usecase is very limited (others will correct me if I'm
> wrong), so the other option is to code it yourself. And this might be
> dangerous (because of very limited tests, and so forth).

Guillaume, I agree with your analysis.

--
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + It's impossible for everything to be true. +

pgsql-general by date:

Previous
From: Gregor Trefs
Date:
Subject: Re: C function returns null values
Next
From: Bruce Momjian
Date:
Subject: Re: Documentation issue