Find total Terabytes written to a SSD

smartctl -a /dev/sda |grep Writ |awk '{print $NF/2/1024/1024/1024 " TeraBytes Written"}'
You must have smartmontools installed for this to work. This also assumes you 512 byte sector sizes, this is pretty standard.
Sample Output
smartctl  -a /dev/sdc |grep Writ |awk '{print $NF/2/1024/1024/1024 " TeraBytes Written"}'
112.314 TeraBytes Written

2
By: khyron320
2014-10-21 03:40:32

What Others Think

if you are on a raid controller with an SSD you need to add " -d cciss,0 " for the first drive in an HP raid controller for example
khyron320 · 260 weeks and 5 days ago
Have an M4-CT256M4SSD2. With just the first 2 parts, I do not get written bytes: smartctl -a /dev/sda | fgrep Writ 206 Write_Error_Rate 0x000e 100 100 001 Old_age Always - 0
Tatsh · 260 weeks and 5 days ago
It looks like Crucial doesnt keep track of this metric. samsung and OCZ do though.
khyron320 · 260 weeks and 5 days ago
you can get rid of the "|grep..." using awk only : smartctl -a /dev/sda |awk ' /Writ/ {print $NF/2/1024/1024/1024 " TeraBytes Written"}'
snaguber · 260 weeks and 4 days ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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