<p># Overall health - the key one line answer<br />
smartctl -H /dev/sdX</p>

<p># Key values for status dashboard<br />
smartctl -A /dev/sdX | grep -E &#39;Reallocated|Pending|Uncorrectable|Temperature|Power_On_Hours|Start_Stop&#39;</p>

<p># Current test progress<br />
smartctl -l selftest /dev/sdX</p>

<p># Full output for cribsheet reference<br />
smartctl -a /dev/sdX</p>

<p><em>Developed with <a href="https://claude.ai">Claude AI</a> assistance - Anthropic - April 2026</em></p>
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