nvme drive disappears after about an hour of uptime
I've noticed some interesting data in the SMART report you've provided.  Here's an excerpt from the SMART data:

Thermal Temp. 1 Transition Count:   4
Thermal Temp. 1 Total Time:         79

According to the description of NVMe thermal throttling management, this SMART data says that your drive has spent some time in a light trottling state, since the last power-on event (those numbers shouldn't be lifetime counts).  That doesn't make much sense, because the drive worked well in your last overnight test.

Could the drive be somehow defective?  Just guessing.

Edit: After checking the NVMe specification (pages 123-124) and the source code of smartmontools, I can confirm the above-stated meaning for those two SMART values.  By the way, the value for total time is in seconds.

Messages In This Thread
RE: nvme drive disappears after about an hour of uptime - by dsimic - 01-17-2021, 01:39 PM

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