smartctl -a /dev/sda
smartctl version 5.36 [x86_64-redhat-linux-gnu] Copyright (C) 2002-6 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

Device: ATA      WDC WD2500KS-00M Version: 02.0
Serial number:      WD-WCANK5624411
Device type: disk
Local Time is: Mon Oct  2 03:20:43 2006 PDT
Device does not support SMART

Error Counter logging not supported

[GLTSD (Global Logging Target Save Disable) set. Enable Save with '-S on']
Device does not support Self Test logging