[CentOS] Power-outage

[m.roth at 5-cent.us]

Colin Coles wrote:
> 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
> price.

Question: are we talking server-grade systems, rackmounts? I can't imagine
that they'd do that for consumer-grade machines.

       mark