Physical server has 2 CPU Intel Xeon E5-2687W v3, one of the most powerful CPU on the market.
The VM has 8 vCPU. The storage behind (Netapp) was not over-used. Here is how iowaits looked like, appeared as soon as pve cluster services failed, and then disapperead when services restored :
Hi,
On my proxmox cluster, every nodes were red in the webUI, like if something went wrong with multicast, anyway every VMs were OK.
I recovered the cluster like this on each server :
killall -9 corosync
systemctl restart pve-cluster
systemctl restart pvedaemon
systemctl restart pvestatsd
But...
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