It's occurred to me, but I expect a fair bit of push back; 'you abuse the array and expect it to what?'
I'm not really interested in debating that - I know expecting coherency in this situation is a little silly, but BTRFS is notably less reliable
Avoiding a situation that may or may not occur, by not participating. Not saying it's a good thing, but it's easier for me to just use What Works
I'd be kind of annoyed if I went to the trouble of reporting a bug and got that response. But I'd also not assume it would end that way...
The DRAM caches are pretty hefty compared to metadata, so I wouldn't be surprised - though that's about my extent of understanding.
Even then, though - other filesystems are certainly more durable, dealing with whatever these drives are doing.
FWIW, this was with four Sabrent Rocket 4.0 Plus drives in RAID10 with 4K sectors. I'm not sure if these are particularly well known one way or another for deception/trickery
They hold up just fine with either dm-raid or native LVM raid10 under more traditional filesystems (I tested EXT4/XFS, using the latter consistently)
I know you don't want to get asked this, and I wouldn't if you'd just said "I tried this once a while ago and it happened", but if it's consistent... have you filed a bug?