From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Brad Tilley" <brad@16systems.com>
Date: Thu, 10 Nov 2011 15:06:58 +0000
Subject: udev to obtain hard drive serial number
Message-Id: <44057.128.173.192.90.1320937618.squirrel@webmail.tuffmail.net>
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To: linux-hotplug@vger.kernel.org

What's the most stable way in which to obtain a hard drive serial number
using recent Linux kernels and udev. Normal users may call udevadm like
this to get the serial number:

/sbin/udevadm info --query=property --name /dev/sda | grep ID_SERIAL_SHORT
| tr = " " | awk '{print $2}'

output looks like this:

E3834563JPSNTN

How stable/reliable is this approach compared to other tools such as
hdparm, etc. Is there a better way to do this with udev?

Thanks for any advice,

Brad