On Fri, Mar 5, 2010 at 10:21 PM, William Herrin wrote:
> I poked through AFCO's drawings at
> http://www.afcosystems.com/pdf/AFCO_Drawings.pdf, How much of a size
> hit is typical? Do you take the depth out to 52" to create enough
> space in front of the equipment for air to flow and take the 6-in
On Fri, Mar 5, 2010 at 10:10 PM, Tim Durack wrote:
> Same way you cool the top of a rack in a cold/hot aisle system. Blow
> cold air up the front of the rack. We measure temperature at select
> points in the rack. Keep the hottest spot below set point, and
> everything is fine. The physics aren't
>> We have/are building new datacenters with a raised floor plenum. Air
>> is directed into the racks from below, and ducted out of the top. No
>> hot/cold aisle, just lots of cold air to cool the equipment. It's an
>> AFCO rack design. Seems to be efficient so far.
>
> How do you measure efficienc
On Fri, Mar 5, 2010 at 2:15 PM, Wayne E. Bouchard wrote:
> Actually, my experience has been that most of the newer installations
> (last 5-7 years) that I have been able to see where raised floor is
> employed are also doing hot/cold rows.
We have/are building new datacenters with a raised floor
On Sat, Mar 06, 2010 at 02:54:42AM +0800, Owen DeLong wrote:
>
> On Mar 6, 2010, at 2:41 AM, William Herrin wrote:
>
> > On Fri, Mar 5, 2010 at 12:54 PM, Owen DeLong wrote:
> >> Not sure about the purpose of a raised floor if it doesn't create a
> >> plenum, but, the
> >> step forward from rais
On Fri, Mar 5, 2010 at 1:54 PM, Owen DeLong wrote:
> On Mar 6, 2010, at 2:41 AM, William Herrin wrote:
>> On Fri, Mar 5, 2010 at 12:54 PM, Owen DeLong wrote:
>>> Not sure about the purpose of a raised floor if it doesn't create a plenum,
>>> but, the
>>> step forward from raised-floor plenum is
On Mar 6, 2010, at 2:41 AM, William Herrin wrote:
> On Fri, Mar 5, 2010 at 12:54 PM, Owen DeLong wrote:
>> Not sure about the purpose of a raised floor if it doesn't create a plenum,
>> but, the
>> step forward from raised-floor plenum is hot-aisle/cold-aisle which requires
>> a good
>> bit mo
On Fri, Mar 05, 2010 at 01:41:42PM -0500, William Herrin wrote:
> On Fri, Mar 5, 2010 at 12:54 PM, Owen DeLong wrote:
> > Not sure about the purpose of a raised floor if it doesn't create a plenum,
> > but, the
> > step forward from raised-floor plenum is hot-aisle/cold-aisle which
> > requires
On Fri, Mar 5, 2010 at 1:41 PM, William Herrin wrote:
> For the original question: Non-plenum short raised floor can be useful
> if you want to separate your power and data wiring. Other than that, I
> can't see any advantage versus a solid floor and either snake tray or
> other overhead wiring sy
On Fri, Mar 5, 2010 at 12:54 PM, Owen DeLong wrote:
> Not sure about the purpose of a raised floor if it doesn't create a plenum,
> but, the
> step forward from raised-floor plenum is hot-aisle/cold-aisle which requires
> a good
> bit more discipline in your datacenter, but, is substantially mor
Not sure about the purpose of a raised floor if it doesn't create a plenum,
but, the
step forward from raised-floor plenum is hot-aisle/cold-aisle which requires a
good
bit more discipline in your datacenter, but, is substantially more efficient.
Owen
On Mar 6, 2010, at 12:14 AM, Dorn Hetzel wr
010 at 11:14:48AM -0500, Dorn Hetzel wrote:
> > Date: Fri, 5 Mar 2010 11:14:48 -0500
> > Subject: Re: FreeAxez raised flooring?
> > From: Dorn Hetzel
> > To: nanog@nanog.org
> >
> > What is the purpose of raised flooring if it *doesn't *create a plenum?
>
r cable management,
easier to access.
Alex
On Fri, Mar 05, 2010 at 11:14:48AM -0500, Dorn Hetzel wrote:
> Date: Fri, 5 Mar 2010 11:14:48 -0500
> Subject: Re: FreeAxez raised flooring?
> From: Dorn Hetzel
> To: nanog@nanog.org
>
> What is the purpose of raised flooring if it *doesn&#x
On Fri, 5 Mar 2010, Dorn Hetzel wrote:
What is the purpose of raised flooring if it *doesn't *create a plenum?
...cabling? (though I think working under a floor to route cables vs
overhead ladder is a pain..but mixing cabling AND air underfloor is much
worse)
On Fri, Mar 5, 2010 at 10:3
What is the purpose of raised flooring if it *doesn't *create a plenum?
On Fri, Mar 5, 2010 at 10:39 AM, Jason Gurtz wrote:
> A consultant has recommended FreeAxez for the raised floor in a new data
> center. I checked it out and have concerns since it says it does NOT
> create a plenum and can
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