corosync network

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    Correct way to set MTU on a Corosync cluster network (pve 8.3)

    Looking for some guidance on the how to correctly set the MTU for a cluster with a dedicated / separate network for Corosync traffic. I have a (rather) simple setup of 3 pve nodes, each having 2 physical interfaces: enp65s0: A mellanox fiber nic. Used by corosync in ring config (see below) for...
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    [SOLVED] Which Corosync network interface

    Hi All, My server has 2x 1Gb and 2x 10Gb network interfaces. I used 2x 1Gb interface (bond) for proxmox ve mgmt. And i plan to use 2x 10Gb interface (bond with VLANs) shared for VMs and DMZ networks. 1. I read cluster uses Corosync Cluster Engine. Does Corosync network creation is mandatory...
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    Primary Corosync Link Failure, Redundant Link Not Taking Over

    Hello all, Before I begin I want to thank you all for your great posts/replies here. We've been using Proxmox for over 1 year and have never made a post as we've always found the answers here by searching (and that could be the case here, but I'm currently on vacation and wife gonna kill me if...
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    Separate After Cluster Creation without downtime

    Hi I have 15 nodes running proxmox VE 6 and CEPH. Recently we've been experiencing unexpected reboot in one or two nodes and logs showed that their corosync couldn't communicate with each other, therefore the node decided to fence itself and do a reboot automatically. Even though we had two...
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