ubuntu@ubuntu:~$ sudo smartctl -t short /dev/sda
smartctl 6.5 2016-01-24 r4214 [x86_64-linux-4.4.0-31-generic] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF OFFLINE IMMEDIATE AND SELF-TEST SECTION ===
Sending command: "Execute SMART Short self-test routine immediately in off-line mode".
Drive command "Execute SMART Short self-test routine immediately in off-line mode" successful.
Testing has begun.
Please wait 2 minutes for test to complete.
Test will complete after Fri Feb 10 04:32:54 2017

Use smartctl -X to abort test.


ubuntu@ubuntu:~$ sudo smartctl -l selftest /dev/sda
smartctl 6.5 2016-01-24 r4214 [x86_64-linux-4.4.0-31-generic] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF READ SMART DATA SECTION ===
SMART Self-test log structure revision number 1
Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Short offline       Completed without error       00%       629         -