For Proxmox image download

Install is very easy, and below is show how to cluster it.

In first node

And go to node2

If show something like "authentication key already exists"

You can use like this pvecm add 192.168.1.222 -force

After that

Change default dir

root@uat160:/# vi /etc/pve/storage.cfg
Example
dir: backup
        path /var/lib/ceph/osd/ceph-3/temp/dump
        content backup
        maxfiles 98765