I have an old (but still good) drive, that is in excess of 65535 Power on hours. ie. Over 7.5 years!
I just noticed, after doing a SMART Extended offLine self-test, that the unRAID GUI is showing the test as being completed after 8401 "LifeTime(hours)", instead of the expected ~73036 hours.
As per the screenshot attached, you can see the current SMART Attribute RAW VALUE shown in the GUI is now: 73955 (8y, 5m, 6d, 11h).
So, it appears the SMART Attribute RAW VALUE is being show correctly, but the "SMART self-test history" "LifeTime(hours)" value is being truncated (wrapped) as a 16-bit value.
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