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gpeter@gpeter-N550JK:~$ sudo smartctl -t short /dev/sdb
smartctl 6.6 2016-05-31 r4324 [x86_64-linux-4.13.0-21-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.
gpeter@gpeter-N550JK:~$ sudo smartctl -l selftest /dev/sdb
smartctl 6.6 2016-05-31 r4324 [x86_64-linux-4.13.0-21-generic] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF READ SMART DATA SECTION ===
Warning! SMART Self-Test Log Structure error: invalid SMART checksum.
SMART Self-test log structure revision number 1
No self-tests have been logged. [To run self-tests, use: smartctl -t]
gpeter@gpeter-N550JK:~$