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Only for information. This was exactly the problem. The switch detects multiple mac addresses and goes down. Thank you

I have thinking about this periodical link down. And I think this problem comes from our network guys. The switch detects a second mac address and cut the link after a while it comes back and so on. I will ask our network guys tomorrow. Thank you for your help. It was a good time for the...

Hi, I have now a dedicated corosync network. The error message "cfs-lock 'file-replication_cfg' error: no quorum!" is gone. But the problem with the network connection is still exists. I have seen that the interface eno1 goes down periodically. But this problem exist only if I start a vm on this...

ok, thank you for your help. Than I will define a dedicated network. I will give an answer if this is fixing the problem.

no, actually not.

yes of course. The working node: auto lo iface lo inet loopback iface enp3s0 inet manual auto vmbr0 iface vmbr0 inet static address 10.14.33.162/20 gateway 10.14.47.254 bridge_ports enp3s0 bridge_stp off bridge_fd 0 iface enp4s0 inet manual The problem...

HI, thank you for your answer. I don't think so. This problem exist also if I start the vm with any live iso image without any network configuration. And dhcp is not running in this network.

Hello all, I have a 6-node cluster with proxmox 6.4-13. All 5 nodes run perfectly. But the newest node has network problems if I start a vm or ct with network. In the syslog of the node I get the message "cfs-lock 'file-replication_cfg' error: no quorum!" if the network is hanging. Then the...