[CentOS] Power-outage

Colin Coles colin at wemoto.com
Fri Jul 1 14:36:43 UTC 2011

On Friday 01 July 2011 15:25, Nicolas Thierry-Mieg wrote:
> Colin Coles wrote:
> > On Friday 01 July 2011 12:05, Timothy Murphy wrote:
> >> Any advice or suggestions gratefully received.
> >
> > If you are thinking of the UPS route a caveat: I have several HP servers
> > and most of them will not work on cheap UPS's as they do not produce the
> > pure sine wave modern HP machines require but rather a crude stepped
> > voltage.
> perhaps naively, I'm surprised: doesn't this mean they put crappy PSUs
> in those servers?
> I thought decent PSUs were expected to deal with dirty input AC?

Lock-in tactics I think, I ended up having to buy HP USP's at about 5x the 


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