Re: Temp at Level 3 data centers

[Eric Kuhnke <eric.kuhnke () gmail com>]

Also worth noting that temperature tolerances for large scale numbers of 1U
servers, Open Compute platform type high density servers, or blade servers
is a very different thing than air intake temperatures for more sensitive
things like DWDM platforms...  There's laser and physics related issues
where temperature stability is important as channel sizes get narrower in
terms of optical THz.



On Wed, Oct 11, 2017 at 10:05 AM, Leo Bicknell <bicknell () ufp org> wrote:

> In a message written on Wed, Oct 11, 2017 at 12:54:26PM -0400, Zachary
> Winnerman wrote:
> > I recall some evidence that 80+F temps can reduce hard drive lifetime,
> > though it might be outdated as it was from before SSDs were around. I
>
> This is very much a "your infrastructure may vary" situation.
>
> The servers we're currently buying when speced with SSD only and
> the correct network card (generally meaning RJ45 only, but there
> are exceptions) are waranteed for 105 degree inlet operations.
> While we do not do "high temperature operations" we have seen
> operations where folks run them at 90-100 degree input chasing
> effiency.
>
> Famously, Intel ran computers outside in a tent just to prove it works
> fine:
>
> https://www.computerworld.com/article/2533138/data-center/
> running-servers-in-a-tent-outside--it-works.html
>
> It should be easy to purchase equipment that can tolerate 80-90
> degree input without damage.  But that's not the question here.
> The question is if the temp is within the range specified in the
> contract.  If it is, deal with it, and if it is not, hold your
> vendor to delivering what they promised.
>
> --
> Leo Bicknell - bicknell () ufp org
> PGP keys at http://www.ufp.org/~bicknell/