SSD and TBW on macOS

I had another NVMe SSD die in my macbookpro11,4. I would’ve been curious to see what the TBW (terabytes written) was before each of them died.

After installing a new Samsung 970 yesterday and restoring from my Time Capsule with Time Machine, I fired up and ran the following commands:

diskutil list
(this showed me that disk0 is my new 2TB SSD)
iostat -Id disk0

The second command reported that the SSD has written 181476.09 MB in its life so far. This seemed low, since 900 GB of data were restored to the SSD…

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