itparanoia@gmail.com writes:
> Running [9.5] initdb without datadir parameter initializes in 9.4/data
There is no built-in default in initdb for what to use for the datadir
location. The only way it would accept the command as written is if
you have an environment setting for PGDATA ... so presumably, the
problem is you've set PGDATA incorrectly.
regards, tom lane