Developer: Subtle B L.L.C.

Current Version: 1.3

Last Updated: 3 years ago

Download Size: 4 MB - Download


StorageStatus monitors attached storage devices and provides relevant power state information and notifications. Using this information, it is possible to watch for unusual activity (such as devices unnecessarily becoming active), which can hamper battery life.

Further, StorageStatus automatically wakes all disks within a software RAID volume and devices within custom wake pools, thereby improving spinup times and reducing delays.

For laptop users with two internal disk drives (for example, an SSD and HDD), it may be useful to know when the rotational hard drive is sleeping, because laptops are significantly less vulnerable to movement and shocks when mechanical devices are inactive.

- Easily view power state information for connected devices (active, idle, standby, sleeping)
- At-a-glance state information is readily displayed graphically in the menu bar
- Prevent specific devices from falling asleep
- Access sleeping RAID volumes more quickly with automatic waking of software RAID disks
- Create custom wake pools to ensure a custom pool of devices wake simultaneously
- Receive notifications when devices are connected and removed
- Receive notifications when devices wake up, become idle, or fall asleep
- Log activity changes to the system console or to a specified CSV file for later analysis
- Reorganize devices via drag & drop in preferences
- Rename devices by double clicking the entry in preferences
- Option + click the menu bar icon for additional device information

Some devices may not be initially compatible for the sleep prevention and disk waking features if they do not support SMART attributes. Full functionality is possible via a helper utility.
For more information, please go to

If "Put hard disks to sleep when possible" is disabled in the Energy Saver Preference Pane, full disk information is not returned by Mac OS and StorageStatus may not behave as desired.
More information and a workaround is available at


Release Notes:

* Added sleep prevention functionality
* Added automatic software RAID waking and support for custom wake pools
* Compatibility improvements and bug fixes

If you like StorageStatus, please take the time to leave a nice review. Thanks!


Most Helpful Reviews

Version 1.2
Review by Data rich

Great and useful little application - Long ago I understand Apple had a developer application like this that would let you monitor drive status. It is no longer available, but this program replaces and improves on it. As far as I know it is the only way to monitor drive status, which is useful for telling what the system and drives are actually doing. It is attractive and polished. It appears to distinguish and report on four states: active, idle, standby, and sleep. It can inform you of the status via menu bar icons, a dropdown menu with more info, and Notifications. You have control over which drives are monitored and reported. The developer is very responsive and recently added an improvement that lets you monitor separate drives inside a multi-bay USB enclosure. If you want to know what your drives are doing, you need this app. This application keeps getting better!

Found helpful by 5 out of 5 people

More Reviews for Current Version

Version 1.3
Review by koop51

Nice app - Good to immediately see status of the external drives on menu bar. I had an external drive drop while iMac sleeping - no more (so far). Great for us network, simpletons. Support outstanding for me (simpleton) - Thanks Subtle. I agree great interface.

Found helpful by 1 out of 1 people
Version 1.3
Review by OurVoyage

Great App - Useful App with an Excellent User Interface!

Found helpful by 1 out of 2 people
Version 1.3
Review by Joshknaack

This does not tell you if RAID becomes degraded - At a glance one would think that this app tells you the status of your RAID drives. I was under the impression that if my RAID became degraded it would alert me with a color change on the menu bar, this is not the case. If that is what you’re looking for this app is not for you. I wish I didn’t pay money for this and don’t get why I would car when my drives are awake or when they go to sleep. Seriously kind seems pointless. This should be free, and it should tell you if one of your RAID drives has an issue.

Found helpful by 0 out of 2 people