[erkkie]

That's interesting, I've been running a 6x3TB raidz2 for a year or so on wd reds and no bitrot so far, no checksum errors either, regular scrubs.

[jspiros]

Almost all of the bitrot I see is on the oldest vdevs, which at this point probably contain mostly only old snapshots that are almost never accessed. My oldest vdevs are... 4-5 years old.