Cant set durability to 3

[alfrenovsky]

I want 3 replicas and I have an NVME for foreground writing.

If I set the NVME durability to 1 using:
echo 1 > /sys/fs/bcachefs/*/dev-3/durability
the foreground uses the NVME and two mechanical drivers

If I set durability to 2 it uses the NVME and one mechanical drive.
if I set durability to 3 it uses the NVME and two mechanical drives. Algo cat /sys/fs/bcachefs/*/dev-3/durability returns me 1

Also found other inconsistencies.
echoing 0 to durability and then catting returns me 0
echoing 1 returns me 1
2 -> 2
3 -> 1
4 -> 0
5 -> 1
6 -> 2
7 -> 1

dmesg shows me bcachefs driver version 1.12
bachefs version shows me command line tool 1.13.0