100g

  1. A

    100G network card and interrupt handling (ksoftirqd process loads a single CPU core at 100%)

    I have a test server with a Mellanox ConnectX-5 (MT27800 Family, 100GbE, dual-port QSFP28) network card installed. The server runs the Proxmox 8.4. For testing purposes, I created a virtual machine with Ubuntu 22.04 (VM 1). I allocated one port of the Mellanox network card to the virtual machine...
  2. J

    Mellanox ConnectX-6 (100GbE) Performance Issue – Only Reaching ~19Gbps Between Nodes

    Hello everyone, We’ve been encountering an issue during some pre-production testing, and I’d like to ask for your input — it seems likely to be a configuration-related problem, but we’re beginning to suspect there might be a hardware factor involved as well. The setup involves connecting two...
  3. helojunkie

    New Servers w/100G Trunks, Should I still use a separate Corosync network?

    So, as the title says, I am deploying all new Proxmox servers to replace our aging fleet of 2U Dells. Currently, I have a 10G trunk for all of my normal VLANs and a separate 10G connection specific to only Corosync VLAN traffic. My new servers have 4 x 10G NICs and 2 x 100G NICs each. I was...
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