Agreed. Power supply failure seems to be an ever present menace - had one last month on a Sun E220, 3 years old - it's saying "replace me" :-)
UNless the controller itself has a battery backed cache it is dangerous - there are many more failures than losing power. Ie, blowing out the power supply or cpu. We've burnt up a fair share of cpu's over the years. Luckly on a Sun it isn't that big a deal.. but on x86. wel... you get the idea.
regards
Mark
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