root[mnt]# smartctl -t long /dev/sdc
smartctl 5.40 2010-10-16 r3189 [i486-slackware-linux-gnu] (local build)
Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net
/dev/sdc: Unsupported USB bridge [0x067b:0x2507 (0x100)]
Smartctl: please specify device type with the -d option.
Use smartctl -h to get a usage summary
root[mnt]#
Nem tudom, mi ez, megnézem...