

I couldn't resist the recent price-drop on SSD's so I got myself a pair of 240GB Corsair MP510 M.2 NVMe to get my SuperMicro's dual M.2 PCIe adapter to shine. I never got it to work with my two "old" 32GB Optanes, but that's another story.
Back to the Corsair drive. When I try to discard the drive I get this error:
Maybe the drive was to cheap after all!#fstrim -v /
fstrim: /: FITRIM ioctl failed: Input/output error

Maybe the other drive works better, I'll try in the nearest future.
UPDATE
Tried to discard the other drive and it works 2 out of 10! Hmmm, not good
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