Hello,
I got a proxmox cluster setup with TrueNAS as storage using ZFS over iSCSI with TheGrandWazoo plugin https://github.com/TheGrandWazoo/freenas-proxmox.
The proxmox cluster are running version 6.4-8 (pve-manager/6.4-8/185e14db (running kernel: 5.4.119-1-pve))
The TrueNAS server is running...