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Bug 757784 - S.M.A.R.T not supported for USB disks (that smartmonctl can handle fine) ?
S.M.A.R.T not supported for USB disks (that smartmonctl can handle fine) ?
Product: gnome-disk-utility
Classification: Core
Component: general
Other Linux
: Normal normal
: ---
Assigned To: gnome-disk-utility-maint
Depends on:
Reported: 2015-11-08 17:22 UTC by Sebastian Pipping
Modified: 2018-05-24 10:34 UTC
See Also:
GNOME target: ---
GNOME version: ---

Description Sebastian Pipping 2015-11-08 17:22:41 UTC

I noticed that gnome-disk-utility (both 3.16 and 3.18.2) does not allow me to view or tweak S.M.A.R.T. status and settings of disks connected through USB.  It's surprising to me because smartmonctl itself seems to be able to access S.M.A.R.T through USB just fine; it is both available and enabled:

# sudo smartctl --info /dev/disk/by-id/usb-.......... | tail -n 11
User Capacity:    320,072,933,376 bytes [320 GB]
Sector Size:      512 bytes logical/physical
Rotation Rate:    7200 rpm
Form Factor:      2.5 inches
Device is:        Not in smartctl database [for details use: -P showall]
ATA Version is:   ATA8-ACS T13/1699-D revision 6
SATA Version is:  SATA 2.6, 3.0 Gb/s (current: 3.0 Gb/s)
Local Time is:    Sun Nov  8 18:18:20 2015 CET
SMART support is: Available - device has SMART capability.
SMART support is: Enabled

What I can I do to make gnome-disk-utility support S.M.A.R.T for a disk like that?

Thanks and best,

Comment 1 Hans Deragon 2016-02-01 13:53:48 UTC
This bug is tracked for Ubuntu 14.04 LTS Trusty Tahr at

Following is the bug report summary:

nome-disk-utility (show as "Disks" on the desktop environment running Unity) systematically does not acknowledge that disks have SMART capabilities when connected through a USB port; SMART capabilities are grayed. However, 'sudo smartctl -a /dev/<disk>' works fine confirming that there is no problem reading SMART data through a USB link. gnome-disk-utility acknowledge SMART capabilities if the same disk is connected through a SATA port.

Confirmed for Ubuntu 14.04 LTS Trusty Thar on 2016-01-26, gnome-disk-utility 3.10.0, udisks 2.1.3 (built against 2.1.3) by Hans Deragon.
Comment 2 Daniel Boles 2017-10-11 21:27:16 UTC
A user posted in #bugs pointing to these (thanks!), which may indicate it's not GNOME Disks at fault here; see this report for udisks and these comments therein:

bhack commented an hour ago

I think that ret == 0 is wrong. See
See the official exit status

bhack commented 37 minutes ago • edited

Also on some type of disks you need to pass -d option

Edit: Probably default device type auto is enough for the latest releases
Comment 3 GNOME Infrastructure Team 2018-05-24 10:34:47 UTC
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