sidux:/# mount
/dev/root on / type ext2 (rw)
/ramdisk on /ramdisk type tmpfs (rw,size=1660160k,mode=755)
/ramdisk/home on /home type none (rw,bind)
/UNIONFS on /UNIONFS type unionfs (rw,dirs=/ramdisk=rw:/SIDUX=ro,delete=whiteout)
/dev/hdc on /cdrom type iso9660 (ro)
/dev/loop0 on /SIDUX type squashfs (ro)
tmpfs on /UNIONFS/lib/init/rw type tmpfs (rw,nosuid,mode=0755)
proc on /proc type proc (rw,noexec,nosuid,nodev)
sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
procbususb on /proc/bus/usb type usbfs (rw)
udev on /dev type tmpfs (rw,mode=0755)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=620)
none on /sys/fs/fuse/connections type fusectl (rw)
/dev/mapper/nvidia_ebeaibja1 on /UNIONFS/media/raid type fuseblk (rw,nosuid,nodev,noatime,allow_other,blksize=4096)
/dev/sde1 on /UNIONFS/media/disk type vfat (rw,noexec,nosuid,nodev,noatime,uid=1000,utf8,shortname=lower)
sidux:/#

sidux:/# fdisk -l

Disk /dev/sda: 250.0 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1      121604   976784098+   7  HPFS/NTFS

Disk /dev/sdb: 250.0 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1   *           1       19457   156288321    7  HPFS/NTFS

Disk /dev/sdc: 250.0 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Disk /dev/sdc doesn't contain a valid partition table

Disk /dev/sdd: 250.0 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdd1   *           1       19457   156288321    7  HPFS/NTFS

Disk /dev/dm-0: 1000.2 GB, 1000237383680 bytes
255 heads, 63 sectors/track, 121605 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

     Device Boot      Start         End      Blocks   Id  System
/dev/dm-0p1   *           1      121604   976784098+   7  HPFS/NTFS

Disk /dev/dm-1: 1000.2 GB, 1000226916864 bytes
255 heads, 63 sectors/track, 121603 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

This doesn't look like a partition table
Probably you selected the wrong device.

     Device Boot      Start         End      Blocks   Id  System
/dev/dm-1p1   ?       13578      119522   850995205   72  Unknown
Partition 1 does not end on cylinder boundary.
/dev/dm-1p2   ?       45382       79243   271987362   74  Unknown
Partition 2 does not end on cylinder boundary.
/dev/dm-1p3   ?       10499       10499           0   65  Novell Netware 386
Partition 3 does not end on cylinder boundary.
/dev/dm-1p4          167628      167631       25817+   0  Empty
Partition 4 does not end on cylinder boundary.

Partition table entries are not in disk order

Disk /dev/sde: 999 MB, 999816704 bytes
4 heads, 8 sectors/track, 61023 cylinders
Units = cylinders of 32 * 512 = 16384 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sde1   *           1       61024      976379+   b  W95 FAT32
sidux:/#      

sidux:/# dmesg | tail
sde: Mode Sense: 45 00 00 08
sde: assuming drive cache: write through
SCSI device sde: 1952767 512-byte hdwr sectors (1000 MB)
sde: Write Protect is off
sde: Mode Sense: 45 00 00 08
sde: assuming drive cache: write through
 sde: sde1
sd 6:0:0:0: Attached scsi removable disk sde
sd 6:0:0:0: Attached scsi generic sg4 type 0
usb-storage: device scan complete
sidux:/#