[0:0:0:0]    disk    ATA      ST9250410AS      0006  /dev/sda 
  dir: /sys/bus/scsi/devices/0:0:0:0  [/sys/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0]
[1:0:0:0]    cd/dvd  hp       CDDVDW TS-L633N  0300  /dev/sr0 
  dir: /sys/bus/scsi/devices/1:0:0:0  [/sys/devices/pci0000:00/0000:00:1f.2/host1/target1:0:0/1:0:0:0]
[6:0:0:0]    disk    Maxtor   OneTouch III     035e  /dev/sdb 
  dir: /sys/bus/scsi/devices/6:0:0:0  [/sys/devices/pci0000:00/0000:00:1d.7/usb8/8-5/8-5:1.0/host6/target6:0:0/6:0:0:0]