On Sat, Jul 5, 2025 at 9:52 AM Pierre Fortin <p...@pfortin.com> wrote:

> If new pg_upgrade is the only binary, will both -b and -B default to it?
> Maybe at minimum I may need to specify:
> $ pg_upgrade -b /usr/bin -d data15 -D data17 -k
>
>
 pgsql/pgsql-18/bin
> ./pg_ctl -D /var/pgsql/postgres-17 start
waiting for server to start....2025-07-05 16:58:56.559 UTC [293839] FATAL:
 database files are incompatible with server
2025-07-05 16:58:56.559 UTC [293839] DETAIL:  The data directory was
initialized by PostgreSQL version 17, which is not compatible with this
version 18beta1.
pg_ctl: control file appears to be corrupt


David J.

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