Re: old and new pg_controldata WAL segment sizes are invalid or do not match

ram pratap maurya <rampratap0000(at)gmail(dot)com> writes:

> Hello taem,
>
> i am faction issue during upgrade postgres11 to 12. can you please
> suggest how to resolve this issue.
>
> ..........................................................................................................................
> bash-4.1$ /usr/pgsql-12/bin/pg_upgrade --old-datadir /var/lib/pgsql/
> 11/data/ --new-datadir /var/lib/pgsql/12/data/ --old-bindir /usr/
> pgsql-11/bin/ --new-bindir /usr/pgsql-12/bin/ --check
> Performing Consistency Checks
> -----------------------------
> Checking cluster versions                                   ok
>
> old and new pg_controldata WAL segment sizes are invalid or do not
> match
> Failure, exiting

Did you initdb the v12 cluster with a non-default WAL size?

Suggest you run pg_controldata for both old/new clusters and see what it
says, which the pg_upgrade error message is telling you to do.

HTH

>
>
> regards,
> ram Pratap
>
>

--
Jerry Sievers
Postgres DBA/Development Consulting
e: postgres(dot)consulting(at)comcast(dot)net