Mastering Proxmox - Third Edition

Recovering from a node failure

A Proxmox node can physically fail due to hardware component failure such as the motherboard, CPU, memory, power supply and so on, while the OS drive remains intact. In such a scenario, we can simply move the OS drive to a different node and power up. The new node does not need to be identical to the faulty one at all. Since the network interface may be different, we only will need to ensure the network configuration is set for the proper interface. Also, if the Proxmox OS has a paid subscription, the key will need to be reissued. Contact the seller where the subscription was purchased from or Proxmox directly to get the subscription key reissued.

The subscription key is bound to the hardware component, so the ...