It pretty much comes down to this. No one can guarantee 100% redundancy, not even Amazon. Although their setup and infrastructure will probably reduce overall M

It pretty much comes down to this. No one can guarantee 100% redundancy, not even Amazon. Although their setup and infrastructure will probably reduce overall MTTF (mean tike to failure) in comparison to a small hosting company or your personal backup solution. Very simple math can show that their system is probably more reliable then others, yours or mine.