# smartctl -l selftest /dev/sda smartctl 7.2 2020-07-11 r5076 [x86_64-linux-5.4.0-42-generic] (CircleCI) Copyright (C) 2002-20, 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 Extended offline Completed without error 00% 12441 - # 2 Short offline Completed without error 00% 12441 - # 3 Short offline Completed without error 00% 12441 -