# smartctl -i /dev/sda
smartctl version 5.38 [x86_64-redhat-linux-gnu] Copyright (C) 2002-8 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

=== START OF INFORMATION SECTION ===
Model Family:     Western Digital Caviar Second Generation Serial ATA family
Device Model:     WDC WD1600AAJS-75M0A0
Serial Number:    WD-WCAV35616755
Firmware Version: 02.03E02
User Capacity:    160,000,000,000 bytes
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:    Wed May  5 13:05:18 2010 CST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
		

如果 SMART support is: Disabled 使用下面命令啟用

# smartctl --smart=on --offlineauto=on --saveauto=on /dev/hdb
		

健康情況

# smartctl -H /dev/sda
smartctl version 5.38 [x86_64-redhat-linux-gnu] Copyright (C) 2002-8 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

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

PASSED，這表示硬碟健康狀態良好,Failure 最好立刻給伺服器更換硬碟