I've smartmontools installed on my ubuntu server.
HDD is smart capable:
sudo smartctl -i /dev/sda
=== START OF INFORMATION SECTION ===
Model Family: Western Digital Scorpio Blue Serial ATA (Adv. Format)
Device Model: WDC WD10TPVT-11U4RT1
Serial Number: WD-WXC1A80P0314
LU WWN Device Id: 5 0014ee 20507d2dc
Firmware Version: 01.01A01
User Capacity: 1,000,204,886,016 bytes [1.00 TB]
Sector Sizes: 512 bytes logical, 4096 bytes physical
Device is: In smartctl database [for details use: -P show]
ATA Version is: 8
ATA Standard is: Exact ATA specification draft version not indicated
Local Time is: Tue Sep 10 16:05:58 2013 GET
SMART support is: Available - device has SMART capability.
SMART support is: Disabled
I enable it by running:
sudo smartctl -s on /dev/sda
If I run command smartctl -i again, I see SMART support is: Enabled. But this goes back to disabled on restart.