For SATA, you need to add "-d ata" to the command line, i.e.: # smartctl -d ata -a /dev/sda
bungo:~# smartctl -d ata /dev/sda smartctl version 5.36 [i686-pc-linux-gnu] Copyright (C) 2002-6 Bruce Allen Home page is http://smartmontools.sourceforge.net/ bungo:~# smartctl -d ata /dev/sdb smartctl version 5.36 [i686-pc-linux-gnu] Copyright (C) 2002-6 Bruce Allen Home page is http://smartmontools.sourceforge.net/ bungo:~# smartctl -d ata /dev/sdc smartctl version 5.36 [i686-pc-linux-gnu] Copyright (C) 2002-6 Bruce Allen Home page is http://smartmontools.sourceforge.net/ bungo:~# smartctl -d ata /dev/sdd smartctl version 5.36 [i686-pc-linux-gnu] Copyright (C) 2002-6 Bruce Allen Home page is http://smartmontools.sourceforge.net/ Not much info...