Depends on if he really has customers accessing the system "all the time." Besides, as pretty much everyone has noted, running a zero-downtime system on a sing

Depends on if he really has customers accessing the system "all the time." Besides, as pretty much everyone has noted, running a zero-downtime system on a single physical machine in what sounds like is just a normal cable room is kind of nuts. Those 10h would have been much better spent to move that puppy to someone else's data center and get some redundancy. Although reading between the lines, maybe the lease was up and they were waiting to the last minute to move it.