Re: Cannot upgrade from 9.3 to 9.4 using pg_upgrade

On 01/03/2016 12:03 AM, Arthur Pemberton wrote:
> I'm trying to use pg_upgrade to upgrade from 9.3 to 9.4 on CentOS 6 with
> packages from Postgres' yum repo.
>
> I've revered to vanlla ph_hda.conf on 9.3, and ran initdb on 9.4. I
> don't get very far however, I get the following error, and Google
> doesn't seem to help.
>
> -bash-4.1$ /usr/pgsql-9.4/bin/pg_upgrade --jobs 4 \
> > --old-datadir "/var/lib/pgsql/9.3/data" \
> > --new-datadir "/var/lib/pgsql/9.4/data" \
> > --old-bindir "/usr/pgsql-9.3/bin" \
> > --new-bindir "/usr/pgsql-9.4/bin"
> Performing Consistency Checks
> -----------------------------
> Checking cluster versions ok
> SQL command failed
> CREATE TEMPORARY TABLE info_rels (reloid) AS SELECT c.oid FROM
> pg_catalog.pg_class c JOIN pg_catalog.pg_namespace n ON
> c.relnamespace = n.oid LEFT OUTER JOIN pg_catalog.pg_index i
> ON c.oid = i.indexrelid WHERE relkind IN ('r', 'm', 'i', 'S') AND
> i.indisvalid IS DISTINCT FROM false AND i.indisready IS DISTINCT FROM
> false AND ((n.nspname !~ '^pg_temp_' AND n.nspname !~
> '^pg_toast_temp_' AND n.nspname NOT IN ('pg_catalog',
> 'information_schema', 'binary_upgrade', 'pg_toast') AND
> c.oid >= 16384) OR (n.nspname = 'pg_catalog' AND relname IN
> ('pg_largeobject', 'pg_largeobject_loid_pn_index',
> 'pg_largeobject_metadata', 'pg_largeobject_metadata_oid_index') ));
> ERROR: relation "info_rels" already exists
>
> Failure, exiting

Hmm, the error message is fairly clear, the reason for it, not.

Given that it seems to be the program walking over itself, have you
tried without the --jobs argument?

Also what is the results from pg_config for the 9.3 and 9.4 clusters?

www.postgresql.org/docs/9.4/interactive/app-pgconfig.html

>
>
> Please advise,
> Arthur Pemberton

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com