fmlaptop# mount
/dev/ada0p2 on / (ufs, local, journaled soft-updates)
devfs on /dev (devfs, local, multilabel)
linprocfs on /usr/compat/linux/proc (linprocfs, local)
fmlaptop# geom sched insert -a rr /dev/ada0p2
fmlaptop# geom status
usage: geom status help
geom status list [-a] [name...