Hello,
I have been running two different setups of ZFS Pools with Proxmox and VMs on them.
Raid-z2 (6 disks, ashift=12, volblocksize=64k) <-- Virtualdisk (reports blocksize as 512 in VM) <-- NTFS/Ext4 (blocksize 4k)
Mirror (6 disks, ashift=12, volblocksize=8k (default)) <--...