[130037] in North American Network Operators' Group
Re: Routers in Data Centers
daemon@ATHENA.MIT.EDU (Joel Jaeggli)
Sun Sep 26 13:16:24 2010
From: Joel Jaeggli <joelja@bogus.com>
To: Chris Adams <cmadams@hiwaay.net>
In-Reply-To: <20100926152659.GA8790@hiwaay.net>
Date: Sun, 26 Sep 2010 10:17:07 -0700
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Sep 26, 2010, at 8:26, Chris Adams <cmadams@hiwaay.net> wrote:
> Once upon a time, Joel Jaeggli <joelja@bogus.com> said:
>> On Sep 25, 2010, at 9:05, Seth Mattinen <sethm@rollernet.us> wrote:
>>>>> =46rom the datacenter operator prospective, it would be nice if =
some of these vendors would acknowledge the need for front-to-back =
cooling. I mean, it is 2010.
>>=20
>> Bakplanes make direct front to back cooling hard. non-modular =
platforms can do it just fine however.
>=20
> There are servers and storage arrays that have a front that is nothing
> but hot-swap hard drive bays (plugged into backplanes), and they've =
been
> doing front-to-back cooling since day one. Maybe the router vendors
> need to buy a Dell, open the case, and take a look.
The backplane for a sata disk array is 8 wires per drive plus a common =
power bus.
=20
>=20
> The server vendors also somehow manage to make an empty case that =
costs
> less than $10,000 (they'll even fill it up with useful stuff for less
> than that).
Unit volume is little higher, and the margins kind of suck. There's a =
reason why hp would rather sell you a blade server chassis than 16 1us.
Equating servers and routers is like equating bouncy castle prices with =
renting an oil platform.
> --=20
> Chris Adams <cmadams@hiwaay.net>
> Systems and Network Administrator - HiWAAY Internet Services
> I don't speak for anybody but myself - that's enough trouble.
>=20
