💾 Hard Disk Drives

And estimating time of failure (based on arbitrary read/write cycle counts)

• sudo smartctl -t long /dev/sdX

  Run test (4hr+)

• sudo smartctl -H /dev/sdX

  Print test result

echo "$(((((( $(sudo smartctl -x /dev/sdX | grep -w "Logical Sectors Written" | awk '{print ($4)}') / 2 )) / 1024 )) / 1024))GB"

echo "$(((((( $(sudo smartctl -x /dev/sdX | grep -w "Logical Sectors Read" | awk '{print ($4)}') / 2 )) / 1024 )) / 1024))GB"

• apti iotop

  • sudo iotop -o

• apti glances

  • glances