Re: DS20L

[James Fowler <santiago cox net>]

Here, Here!

Amen to all of the below.

James
On Fri, 31 May 2002, Chris Eleveld (Sector 7 Group) wrote:

>
> Just to add my bits and a question:
>
> somewhat on topic:
> What about people like me who are pure hobbyists and have lots of machines
> of various ilk all run in a home with home Air-conditioning.  I like to keep
> the house around 80 during the summer which is expensive enough in the Texas
> heat.  It would be nice if people would design things for us weird people.
> Not everyone has a data center though you might be surprised out how many
> people have upset wives from all the cables across the floor.
>
> mostly off topic:
> I've noticed a lot of equipment has a lower end on the temperature rating.
> My ignorant self thought electronics ran better the colder they got?
>
> Chris
>
> ----- Original Message -----
> From: "Iwao Makino" <rickey-co@mug.biglobe.ne.jp>
> To: <axp-list@redhat.com>
> Sent: Friday, May 31, 2002 1:42 AM
> Subject: RE: DS20L
>
>
> > At 18:47 -0400 on 30.05.2002, Peter Petrakis wrote regarding RE: DS20L:
> > >It depends on how diligent the outfit is concerning the welfare of their
> > >equipment and their electronic infrastructure. If it's cheaper for them
> > >to cover the expense of failed disks and dead equipment due to over-temp
> > >then fine, That's what they've come to realize what "their time is
> worth".
> > >Me on the other hand, If I can get more cooling than is required to
> 'prevent'
> > >premature failure and extend the life of existing hardware. I've made my
> job
> > >easier and increased everyone's efficiency because there is less
> downtime.
> >
> > I agree & understand.  Then, most of client took same approach, but not
> for
> > 1U instead boxed or 3U instead.
> >
> > oh, btw, stacking 40 of them, another not good comment from user...
> > Weight can't hold floor of most buildings:(
> >
> > >It should be no more paper work than it would take to contract an
> electrician
> > >to add more power to your machine room.
> >
> > Not really. More work, as modification to building and more electric work.
> > It usually require more work and needs permit to do such.
> >
> > >Companies that don't take
> > >maintenance seriously 'will' pay for it later.
> >
> > I agree.  Unfortunately, most of client wasn't companies and serious about
> > that part.
> >
> > >5?C to 35?C (41?F to 95?F) Is the spec. I like things on the cool side.
> >
> > True, as long as you can, lower temp(above spec of course) is better idea.
> >
> > >Running at 30C is damn hot, 86F. I wouldn't step foot in that room and if
> > >that's
> > >the ambient temp your 10K hard drives 'will' be failing sooner than
> later.
> > >Even
> > >if you went and ran CS20's at the high side, 96F. Would you really
> recommend
> > >subjecting that and other equipment to that temp? Nevermind humans :-)
> >
> > No way, I won't.  but users DO:) Really... many users running system
> intheir
> > office/labs that has ONLY normal AC for office use... and it gets shut
> down
> > in off-hours.
> >
> > >It's not required but it's common knowledge that "heat kills". They're
> very
> > >expensive investments and with just a one year warranty I honestly
> believe
> > >that customers should be taking better care of these machines.
> >
> > I know this is common knowledge, but it seems this doesn't apply to
> everyone:)
> >
> >
> > PS: Sorry folks whos not interested about this stuff.
> >
> >
> >
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>
>
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-- 
James Fowler
jamesf@sequoia.net
ICQ: 59959089

"Thinking implies disagreement; and disagreement implies non-comformity; and non-comformity
implies heresy; and heresy implies disloyality -- so obviously thinking must be stopped"
[Call to Greatness, 1954] -- Adlai Stephenson