论坛上有人问程序中怎么判断C盘是不是SSD？
找到这个工具，需要在程序员读取S.M.A.R.T信息，估计会很有用。
SMART中有硬盘自检信息，错误计数，硬盘转数等等信息。HDTune显示的很多信息就是来自SMART信息。
这是一个开源跨平台的工具，Linux平台的用法我这里就不写了，只写Windows下smartctl命令用法。
作者：快银闪电侠 链接: http://my.oschina.net/ysj/blog/520976
Batch-CN收录了smartctl主程序，安装Batch-CN后，一句命令可以获取smartctl:
c:\>gt smartctl
下载成功
#windows下显示C盘信息.
c:\>smartctl -a c:
smartctl 6.4 2015-06-04 r4109 [i686-w64-mingw32-win7(64)-sp1] (sf-6.4-1)
Copyright (C) 2002-15, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Model Family: SandForce Driven SSDs
Device Model: KINGSTON SV300S37A120G
User Capacity: 120,034,123,776 bytes [120 GB]
Sector Size: 512 bytes logical/physical
Rotation Rate: Solid State Device
我有一个二手闪迪U盘，一块SSD，一块机械硬盘,sda 表示第一个硬盘，sdb第二，U盘估计是sdc:
#这个U盘系列好像是也用了固态盘的芯片，所以会经常被识别成硬盘。
c:\>smartctl -i sdc
smartctl 6.4 2015-06-04 r4109 [i686-w64-mingw32-win7(64)-sp1] (sf-6.4-1)
Copyright (C) 2002-15, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Model Family: SanDisk based SSDs
Device Model: SanDisk SSD U100 16GB
Serial Number: 0ba4e8360
User Capacity: 16,013,942,784 bytes [16.0 GB]
Sector Size: 512 bytes logical/physical
Rotation Rate: Solid State Device
Form Factor: 1.8 inches
Device is: In smartctl database [for details use: -P show]
ATA Version is: ACS-2 T13/2015-D revision 3
SATA Version is: SATA 3.0, 6.0 Gb/s (current: 3.0 Gb/s)
Local Time is: Fri Oct 23 02:37:12 2015
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
smartctl -a f: 一下就真相了。
c:\>smartctl -a f:
smartctl 6.4 2015-06-04 r4109 [i686-w64-mingw32-win7(64)-sp1] (sf-6.4-1)
Copyright (C) 2002-15, Bruce Allen, Christian Franke, www.smartmontools.org
f:: Unable to read USB device ID
Please specify device type with the -d option.
[smartctl 完整下载] http://sourceforge.net/projects/smartmontools/
python S.M.A.R.T库pySMART https://pypi.python.org/pypi/pySMART/0.2
