smartctl -H /dev/sd#

karl@orange:~$ sudo smartctl -H /dev/sda
[sudo] password for karl:

smartctl version 5.37 [i686-pc-linux-gnu] Copyright (C) 2002-6 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

Short INQUIRY response, skip product id
A mandatory SMART command failed: exiting. To continue, add one or more '-T
permissive' options.

karl@orange:~$ sudo smartctl -H /dev/sdb

smartctl version 5.37 [i686-pc-linux-gnu] Copyright (C) 2002-6 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

karl@orange:~$ sudo smartctl -H /dev/sdc

smartctl version 5.37 [i686-pc-linux-gnu] Copyright (C) 2002-6 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED