... why was it running with a single hard drive and not RAID 1? I really hope that along the way, you took care of that little detail... for the cost of a second $50 hard drive and a simple BIOS (or even software, if the chipset doesn't support it) setting could have saved them from that pile of downtime.
Honestly speaking, for something like this, critical hardware failures are much more prevalent than critical OS failures, at least with newer versions of both Windows and Linux. My FreeBSD box just plugs away. So do my Windows boxes. I trust them equally (although I don't trust the apps equally). But hardware... that's where the real issues tend to be.
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