no, real data centers have those things

Post #390,814 by boxley 6/16/14 9:02:10 AM Reply	no, real data centers have those things dual power supplies redundant links everywhere but even then humans go wrong. A miswired electrical had both redundant power supplies on a single leg, oops the collapse of that leg during a "test" blew the whole effing thing. Made the new york news Any opinions expressed by me are mine alone, posted from my home computer, on my own time as a free American and do not reflect the opinions of any person or company that I have had professional relations with in the past 59 years. meep
Post #390,836 by Ashton 6/16/14 6:08:24 PM Reply	Ah.. OK, just another human Oopps brings down the Corp. Hindenburg :-/
Post #390,847 by static 6/16/14 11:51:53 PM Reply	You'd think it was obvious... When I (briefly) ran a small data center installation, I made sure all the boxes with dual power-supplies were even on different UPSs. And then I discovered the UPS software wasn't aware of this possibility. Wade. Just Add Story http://justaddstory.wordpress.com/
Post #390,850 by boxley 6/16/14 11:59:54 PM Reply	well in the bigs you have 48 volt frames, you have dual power supplies tied to dual transformers that supply current. Each of the frames is served by DC from a humungous battery center supplied by 2 (power company transformers) each on a different AC leg. That is good until power dies, then large generators kick in to assist the downage of AC power. All of this assumes the blueprints are correct. Sometimes they are not. That gets you a mention in the national papers. Any opinions expressed by me are mine alone, posted from my home computer, on my own time as a free American and do not reflect the opinions of any person or company that I have had professional relations with in the past 59 years. meep

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