Converting OpenVZ to LXC
This section is for container users who are planning to move to Proxmox VE 4.0 or a later version. Since OpenVZ has been completely replaced in Proxmox VE 4.0 and later versions, all OpenVZ containers must be converted to LXCs in order to make them usable. The full conversion can be performed through the Proxmox GUI. The simple process of this conversion can be summarized as follows:
Write down the OpenVZ container network information
Power off the OpenVZ container, and then perform a full backup
Restore the OpenVZ container on Proxmox 4.0 or later
Reconfigure the network based on information collected in step 1
Tip
Do not upgrade to Proxmox VE 4.0 or later before making a full backup of the existing OpenVZ containers. Otherwise, these containers will not start in Proxmox 4.0 or later.
The reason why it is important to write down the network configuration in step 1 is that when OpenVZ containers are restored in Proxmox 4.0 or later, the network interfaces are stripped off...