Cannot Initiate CMAP Service (all nodes)

Hello guys how are you? My name is Marcos and I provide support for a small family bussines company that is runing proxmox. We have 4 Nodes and Ceph to provide High Availability. Other day we had a energy supply failure and all the nodes went down after more then 10 hours with the No Breakes holding the load. I wasn`t in the company and no one notified me so probably the Nodes Shoutdown sudenly I…