tldr/pages/common/smartctl.md

smartctl

Monitor disk health including SMART data. More information: https://manned.org/smartctl.

• Display SMART health summary:

sudo smartctl {{[-H|--health]}} {{/dev/sdX}}

• Display device information:

sudo smartctl {{[-i|--info]}} {{/dev/sdX}}

• Start a short/long self-test in the background:

sudo smartctl {{[-t|--test]}} {{short|long}} {{/dev/sdX}}

• Display the self-test log:

sudo smartctl {{[-l|--log]}} selftest

• Display current/last self-test status and other SMART capabilities:

sudo smartctl {{[-c|--capabilities]}} {{/dev/sdX}}

• Display exhaustive SMART data:

sudo smartctl {{[-a|--all]}} {{/dev/sdX}}