Hi, please share more information as following if possible:
Host network config: post the relevant parts of /etc/network/interfaces (or whatever file you use) showing eno1, the bridge (vmbr), and how they’re connected.
VM NIC info: inside the...
Thanks for sharing your config — you’re almost there.
A few quick points:
Keep only one bridge (vmbr0) — you already made it VLAN-aware, so no need to create vmbr0.110 unless the Proxmox host itself needs an IP inside that VLAN.
For your VMs...
The log shows the disk mirror starts over NBD via SSH, progresses for minutes, then the channel fails (“open failed … Broken pipe”). That’s classic of a transport drop under sustained load.
Some of the things you can check -
Are MTUs identical...