John R Pierce <pierce@hogranch.com> writes:
> On 2/4/2016 10:03 AM, Tom Lane wrote:
>> Before 9.2, pg_upgrade never worked at all for setups with config-only
>> data directories, since it couldn't figure out where the real data
>> directory was. Now it does work, but only if the old postmaster supports -C.
> would a (hacky) workaround be to copy the 8.4 postgresql.conf and
> pg_hba.conf to the actual data directory, then point to that as the source ?
Yeah, something like that is the solution. You need to make it look like
a traditional data directory setup.
regards, tom lane