root@R2:/root # uname -a
FreeBSD R2 9.1-RC1 FreeBSD 9.1-RC1 #0: Tue Aug 14 04:25:06 UTC 2012 root@farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64
Four 3 TB Western digital RED's
root@R2:/root # diskinfo -t /dev/ada0
/dev/ada0
512 # sectorsize