pg_ctl -D /usr/local/var/postgres start
FATAL: could not open directory "pg_tblspc": No such file or directory
.mkdir /usr/local/var/postgres/pg_tblspc
FATAL: lock file "postmaster.pid" already exists
rm /usr/local/var/postgres/postmaster.pid
pg_ctl -D /usr/local/var/postgres start