"Zwettler Markus (OIZ)" <Markus.Zwettler@zuerich.ch> writes:
> I always thought all parameters are optional? No?
They're optional, but maybe there is something wrong with
the default values (wherever you're getting those from).
pg_isready isn't really chartered to tell you about that,
but I wonder what you get from psql with the same command
line option sets.
regards, tom lane