Presented you succeed, these installation could afterwards be securely upgraded to most up-to-date Plesk version. See below. In your infrastructure, you must uncover or produce a source agent for handling floating IP-tackle between nodes. You can see The complete listing of the methods brokers around the ClusterLabs GitHub repository. Workaround: https://cpaneltopleskmigration33433.wikigop.com/679174/the_best_side_of_plesk_install_service