그 용도로만 쓰는 건 아니지만 smartmon이 있습니다. (hdparm으로 못보는 LVM 으로 설정된 디스크도 잘 보이네요)
# apt-get smartmontools
# smartctl -a /dev/sda
하면 됩니다.
=== START OF INFORMATION SECTION ===
Model Family: Western Digital Caviar RE Serial ATA series
Device Model: WDC WD5000YS-70VJB1
Serial Number: ........................
Firmware Version: 00.0HPG0
User Capacity: 500,107,862,016 bytes
Device is: In smartctl database [for details use: -P show]
ATA Version is: 7
ATA Standard is: Exact ATA specification draft version not indicated
Local Time is: Tue Feb 3 12:24:00 2009 KST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
...
http://www.howtoforge.com/checking-hard-disk-sanity-with-smartmontools-debian-ubuntu