Understanding the output of smartctl

Mar 25, 2025 1:26 PM

ychaouche

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smartctl gives interesting information about disks :
- birthday
- uptime
- failure prediction
- number of defective sectors
- number of errors

sysadmin

smartctl

disk

linux

been using this for two decades and tbh the only reliable indicator/test is to wipe the disk with zeros. if a sector is bad, it'll be found. if it's a loose connector, now's the time to wiggle stuff to find it. if it's anything else, there was no hope and she's dead, Jim.

4 months ago | Likes 2 Dislikes 0