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Checking HDD SMART Status on OS X

On OS X the overall SMART Status of a hard drive can be checked in the Disk Utility. If the drive is failing, it will be displayed in red. The following screenshot shows such a failing drive:










To get more detailed information on the problem, additional software is required. This howto covers the installation and basic usage of smartmontools which is a SMART command-line utility.


1. Installation

Download the smartmontools tar.gz archive and proceed as follows:


2. Configuration

The executable should have been installed to /usr/local/sbin. This folder however might not be included in the $PATH variable which means that you can’t run smartmontools unless you switch into that folder first. To add /usr/local/sbin to the $PATH, edit the following file accordingly:


3. Usage

Here are the most common commands (use df, mount or diskutil list to determine the disk number):


4. Example Output

a) smartctl -H disk0

b) smartctl -a disk0


2 Comments.[ Leave a comment ]

  1. HI!

    Your RSS is malfunctioning.

    It would be kind enough to correct it so I can follow it correctly?

    Thank You!

  2. Thanks for the feedback. What kind of problem are you experiencing exactly? The RSS feed is working for me, I’m using Opera Mail to read it. What happens if you add /atom to the feed URL?

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