I remember that I looked into the various options for implementing CoroSync over mesh at the time, including SDN Fabric. After further research, I decided on the OVS option. I remeber being told that mesh wasn't the optimal solution for CoroSync...
Yes, we now have this setup in production and it works perfectly and very stably. I decided to use OVS bridges for storage and Corosync. From my research, mesh isn't ideal for Corosync, but the OVS Bridge is still the best option.
This is my...
Here is another variant to use UEFI boot with qemu-system.
If you are using a debian-based rescue system just install ovmf and you get the file for UEFI boot under /usr/share/ovmf/.
wget https://enterprise.proxmox.com/iso/proxmox-ve_9.1-1.iso...
Please excuse my late reply. We now have many Terramaster NAS devices in operation with PBS and have had very good experiences with them. I would recommend running them with the RAM expansion.