I got ZFS corruption myself. Although another issue (which actually brought my attention) was also common system crashes, whenever ARC was enabled. When inspec

I got ZFS corruption myself. Although another issue (which actually brought my attention) was also common system crashes, whenever ARC was enabled. When inspecting cored dump it looked like random bit flips. In my case the problem turned out to be a broken WiFi card (PCI). After I replaced it no issues for 2 years now.