umass0 at uhub1 port 1 configuration 1 interface 0
umass0: LaCie LaCie Rugged FW/USB, rev 2.00/0.01, addr 3
umass0: using SCSI over Bulk-Only
scsibus0 at umass0: 2 targets, 1 lun per target
sd0 at scsibus0 target 0 lun 0: <LaCie, Rugged FW/USB, > disk fixed
sd0: fabricating a geometry
sd0: 465 GB, 476940 cyl, 64 head, 32 sec, 512 bytes/sect x 976773168 sectors
sd0: fabricating a geometry

# fdisk sd0                                                         
fdisk: Cannot determine the number of heads
Disk: /dev/rsd0d
NetBSD disklabel disk geometry:
cylinders: 476940, heads: 64, sectors/track: 32 (2048 sectors/cylinder)
total sectors: 976773168

BIOS disk geometry:
cylinders: 1023, heads: 255, sectors/track: 63 (16065 sectors/cylinder)
total sectors: 976773168

Partitions aligned to 16065 sector boundaries, offset 63

Partition table:
0: Primary DOS with 32 bit FAT - LBA (sysid 12)
    start 690570, size 20478 (10 MB, Cyls 42/251/28-44/66/30)
1: <UNUSED>
2: <UNUSED>
3: <UNUSED>
No active partition.
Drive serial number: 611935314 (0x24796452)

# disklabel sd0
# /dev/rsd0d:
type: SCSI
disk: Rugged FW/USB   
label: fictitious
flags:
bytes/sector: 512
sectors/track: 32
tracks/cylinder: 64
sectors/cylinder: 2048
cylinders: 476940
total sectors: 976773168
rpm: 3600
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0           # microseconds
track-to-track seek: 0  # microseconds
drivedata: 0 

5 partitions:
#        size    offset     fstype [fsize bsize cpg/sgs]
 d: 976773168         0     unused      0     0        # (Cyl.      0 - 476940*)
 e:     20478    690570      MSDOS                     # (Cyl.    337*-    347*)
disklabel: boot block size 0
disklabel: super block size 0

# rump_msdos /dev/sd0e /mnt                                         
rump_msdos: puffs_daemon got 0 bytes

# mount -t msdos /dev/sd0e /mnt
netbsdamd64# mount
/dev/wd0a on / type ffs (local)
kernfs on /kern type kernfs (local)
ptyfs on /dev/pts type ptyfs (local)
/dev/sd0e on /mnt type msdos (local)
# ls -a /mnt
.  ..
# df -h
Filesystem        Size       Used      Avail %Cap Mounted on
/dev/wd0a          91G        37G        50G  42% /
kernfs            1.0K       1.0K         0B 100% /kern
ptyfs             1.0K       1.0K         0B 100% /dev/pts
/dev/sd0e           0B         0B         0B 100% /mnt
# umount /mnt
# mount
/dev/wd0a on / type ffs (local)
kernfs on /kern type kernfs (local)
ptyfs on /dev/pts type ptyfs (local)