Ah so make everything redundant. Double my costs in man hours and in monetary cost. Brilliant! The sarcasm is curious. It's a business decision. Either your

Ah so make everything redundant. Double my costs in man hours and in monetary cost. Brilliant! The sarcasm is curious. It's a business decision. Either your revenue is high enough that the monetary loss from a several-hour intra-day outage is potentially worse than the cost of said redundancy, or you don't care enough to invest in that direction (it's expensive). Making things redundant is exactly a core piece of what infrastructure engineering is. I guess with the world of VPSes and cloud services, that aspect is being forgotten? And yes, redundancy / uptime costs money!