Just FYI: I upgraded 6.0 to 6.1 and /etc/installurl was populated with: https://ftp4.usa.openbsd.org/pub/OpenBSD/6.1
(as is my mirror) But when running pkg_add -u to upgrade, it searched http://ftp4.usa.openbsd.org/pub/OpenBSD/6.1/6.1 for packages. Chopped the 6.1 out of installurl to fix. Tim.
