This is being marketed to shared web hosts with cPanel. This is a monolithic server architecture, so everything (web, mail, database, ftp, etc etc) runs on one

This is being marketed to shared web hosts with cPanel. This is a monolithic server architecture, so everything (web, mail, database, ftp, etc etc) runs on one server for each account. Hence, if you take the server down for a reboot, your customer is completely denied service until it comes back up.