On Fri, 24 Dec 2004 00:49:52 +0800, ian sison (mailing list)
<[EMAIL PROTECTED]> wrote:
> > > The other thing is power supplies. About half of the long running
> > > servers we have had their uptimes cut short because of power supply
> > > failure. Any recommendations on where we could buy good, reliable power
> > > supplies?
> >
> > Since power supplies are a well understood technology, even an average
> > PS(Power Supply) would be fine. Have seen 386 clones still running for 10
> > years till now with same power supplies for production purposes humming
> > in the data center.
> >
> > Dust killed it? in my experience, dust is the #1 killer of PS and fans too.
> > #2 is surge spikes. I'm assuming you have surge protectors though.
>
>
> I respectfully disagree here. Not all power supplies are created
> equal. If you don't specify a PS brand to your vendor, they will
> scrimp on the PS and give you a low-cost, low-quality, possibly
> under-rated PS, which will run for a while but will be the first part
> to go over time. First the PS fan stops, then if you are not
> monitoring it, the heat will take its toll on the internal components
> of the PS.
El-cheapo power supply units either die out after a few months of
non-stop operation, or they become noisy over time (happening in here
already... getting the budget done to buy an Enermax PSU soon). These
power supply units do cost around twice or thrice the the norm (I got
an Enermax SSI PSU for about P7000 some six months ago) but they
perform really well.
> We'd had clone servers bog down due to PS problems, so when it
> ordering time comes, we've proven that HEC or Enermax PS do make a
> difference despite the higher prices. They have high quality fans
> (even dual fans for that purpose), and better quality components make
> for a longer lifetime.
One defining qualification of most branded servers is the inclusion of
higher-quality PSU's compared to ones shipped with desktops (which is
usually scrimped with COTS parts)
--
Paolo Alexis Falcone
[EMAIL PROTECTED]
"The reasonable man adapts himself to the world;
the unreasonable man persists in trying to adapt
the world to himself. Therefore, all progress
depends on the unreasonable man."
-- George Bernard Shaw
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