$ sudo /usr/sbin/smartctl -H /dev/sda
smartctl 5.41 2011-06-09 r3365 [x86_64-linux-3.2.0-45-generic] (local build)
=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED
$ sudo /usr/sbin/smartctl -H /dev/sdb
smartctl 5.41 2011-06-09 r3365 [x86_64-linux-3.2.0-45-generic] (local build)
=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED
$ sudo /usr/sbin/smartctl -H /dev/sdc
smartctl 5.41 2011-06-09 r3365 [x86_64-linux-3.2.0-45-generic] (local build)
=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED
$ sudo /usr/sbin/smartctl -H /dev/sdd
smartctl 5.41 2011-06-09 r3365 [x86_64-linux-3.2.0-45-generic] (local build)
=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED