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Linux interface to SMART data for hard disks.


Show identifying information about a device

smartctl -i /dev/sda

Show drive attributes

This shows a bunch of recorded information that is updated over the life of the drive.

smartctl -A /dev/sda

Show the same information with better output showing vendor flags

smartctl -A -f brief /dev/sda

Show all data

smartctl -x /dev/sda

Perform a self test

smartctl -t short /dev/sda

View the results of a self test

Make sure to check for the presence of a "Self-test routine in progress" line.

smartctl -l selftest /dev/sda

Show how many hours each drive has been powered on

$ lsblk -I8 -pdo NAME,SIZE,MODEL,SERIAL -n |
while read -r drive size extras ; do
  echo "$drive|$(sudo smartctl -A "$drive" | awk '/Power_On_Hours/ {print $NF}')|$size|$extras"
done | column -s'|' -t
/dev/sda    35265    238.5G    Samsung SSD 850  S33KNX0JB59421F
/dev/sdb    41261    7.3T      HGST HUH728080AL VKHAVT1X
/dev/sdc    41305    7.3T      HGST HUH728080AL VKH46K7X
/dev/sdd    41320    7.3T      HGST HUH728080AL VKH82NNX
/dev/sdf    73       10.9T     HGST HUH721212AL 8CK26DWK

See Also