pvecm add 10.10.54.59
Please enter superuser (root) password for '10.10.54.59': ************
Establishing API connection with host '10.10.54.59'
The authenticity of host '10.10.54.59' can't be established.
X509 SHA256 key fingerprint is 73:B8:91:1A:A2:CF:BF:36:53:AD:76:E5:CD:1B:2F:E6:13                                                                                                                    :81:03:65:32:DA:A5:36:A3:52:AC:69:7D:09:2E:7D.
Are you sure you want to continue connecting (yes/no)? yes
Login succeeded.
check cluster join API version
No cluster network links passed explicitly, fallback to local node IP '10.10.54.5                                                                                                                    8'
Request addition of this node
Join request OK, finishing setup locally
stopping pve-cluster service
backup old database to '/var/lib/pve-cluster/backup/config-1602074440.sql.gz'
waiting for quorum...OK