apt-get install smartmontools
smartctl --all /dev/sdk
RAW_VALUE: this is the only thing with real or physical meaning, generally these are the counts or the measurements
VALUE, WORST and THRESH are all reported in the same arbitrary units, which normalize the raw value to 0-255, where bigger is better. VALUE is the current value, WORST is the worst that has been recorded while the disk is functioning, and THRESH is the floor that you want to stay above.
View the man page for more details…the main thing to look for is the:
= START OF READ SMART DATA SECTION =
SMART overall-health self-assessment test result: PASSEDMore info here.