I have followed the guide at
https://archlinuxarm.org/platforms/armv ... berry-pi-2 to bring Arch to my old Raspberry Pi 2B. I have written both partitions as described to the SD card, unmounted at the PC, ejected it, inserted in Raspberry Pi, but the Pi won't boot. Other images I have created with Win32Imager for Raspbian boot fine. Is there some missing step?