Hi all . if we use proper SATA-USB converter cable . we can use arm as server .
in fact # df Filesystem 512-blocks Used Avail Capacity Mounted on /dev/sd0a 2057756 86744 1868128 4% / /dev/sd0l 247708268 36 235322820 0% /home about 120GB /dev/sd0d 8250812 20 7838252 0% /tmp /dev/sd0f 4122108 899864 3016140 23% /usr /dev/sd0g 2057756 346328 1608544 18% /usr/X11R6 /dev/sd0h 20636924 436 19604644 0% /usr/local /dev/sd0k 4122108 4 3916000 0% /usr/obj /dev/sd0j 4122108 4 3916000 0% /usr/src /dev/sd0e 12058396 8660 11446820 0% /var in my case , i use USB-CVIDE5 made by sanwa . --------------- regards http://openbsd-akita.blogspot.jp/2017/03/openbsd-61-on-raspberry-pi-3.html