Decode SMART attributes

Tabulate raw SMART attribute values; watch Reallocated_Sector_Ct and Pending

smartctl -A /dev/sda | awk '$1~/^[0-9]+$/{printf "%-3s %-24s raw=%s\n",$1,$2,$10}'
tool
smartctl3 commands
tags
smartctldiskmonitoringtroubleshooting

More smartctl commands

  • Full health + error log
    smartctl -x -d auto /dev/sda | less

    Full -x dump: health, attributes, error log, temp history; -d auto detects RAID/USB

  • Run short self-test
    smartctl -t short /dev/sda && sleep 120 && smartctl -l selftest /dev/sda

    Start SMART short self-test then read its log; non-destructive background test

all 3 smartctl commands