Andreas Joseph Krogh <andreas(at)visena(dot)com> writes:
> I'm planning to move all my pg_largeobject tables to separate tablespaces and
> to be able to do that I need to shuddown PG and start in single-user mode, like
> this:
> postgres --single -O -D $PGDATA $DB_NAME
> Then I have to execute the command:
> alter table pg_largeobject set tablespace some_tablespace;
Why do you think you need single-user mode for that?
regards, tom lane