> _ > > Yes... Designing and using a giant system with perfectly reliable > hardware (or something that simulates perfectly reliable hardware at > some abstraction level) is a straightforward process. > I think that is well worth a debate. As Bob points out, these storage arrays do not have redundant hot-swap PSUs, or hot swap disks. They're made for the market for large volume online archiving - where you would imagine that there are two or more copies of data in geographically separate locations. Is it time to start looking at the cost/benefit analysis for 'prime' storage to have the same scheme? Don't get me wrong - I have experienced the benefits of N+1 hot swap PSUs and RAID hot swap disks on many an occasion, as has everyone here. There's nothing more satisfying then getting an email over the weekend about a popped disk on an array and being able to flop back onto the sofa.
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