We did a 4.9ghz project for a municipality once, their server room was like a freezer, you could see your breath and everything On May 11, 2016 10:43 PM, "Travis Johnson" <t...@ida.net> wrote:
> We always kept our NOC temps around 72-74F... mainly because that would > give us time if an A/C unit failed (or switched off due to power failure, > etc.) to get physically to the NOC before temps reached above 100F (which > did happen a few times in my 16 years). Servers start shutting down when > the air intake hits about 105F. LOL > > Travis > > > On 5/11/2016 5:53 PM, Robert Andrews wrote: > >> Exactly... Hence our love for the old MAE East... >> >> On 05/11/2016 04:47 PM, Josh Luthman wrote: >> >>> Parking garages are generally hotter then hell or balls cold in my >>> experience. >>> >>> >>> Josh Luthman >>> Office: 937-552-2340 >>> Direct: 937-552-2343 >>> 1100 Wayne St >>> Suite 1337 >>> Troy, OH 45373 >>> >>> On Wed, May 11, 2016 at 7:31 PM, Eric Kuhnke <eric.kuh...@gmail.com >>> <mailto:eric.kuh...@gmail.com>> wrote: >>> >>> The temperature sensor location on a 6503/6506/6509 isn't really at >>> the 'raw' air intake, so it's showing warmer than it should be, but >>> yes that cabinet gets warm... It's a couple of hundred watts heat >>> load in a ventilated box. I would estimate the actual intake air >>> temperature if you were to measure it manually with a thermometer is >>> 26-27C on the right side of the 6503 as you're facing the front. >>> >>> The parking garage is pretty much the ambient air temperature of the >>> city it's located in, but not exposed directly to sunlight. >>> >>> On Wed, May 11, 2016 at 4:26 PM, Josh Luthman >>> <j...@imaginenetworksllc.com <mailto:j...@imaginenetworksllc.com>> >>> wrote: >>> >>> 104F air intake? No way!!! >>> >>> On May 11, 2016 7:15 PM, "Eric Kuhnke" <eric.kuh...@gmail.com >>> <mailto:eric.kuh...@gmail.com>> wrote: >>> >>> Here's a chart from 2014, it's the air intake temperature >>> sensor for a cisco 6503 in a wall mounted cabinet 9' in the >>> air in a parking garage. The daily cycles are the ambient >>> air temperature in the garage changing. >>> >>> >>> >>> On Wed, May 11, 2016 at 4:04 PM, Keefe John >>> <keefe...@ethoplex.com <mailto:keefe...@ethoplex.com>> >>> wrote: >>> >>> We do 75 degrees >>> >>> >>> >>> On 5/11/2016 5:51 PM, Robert Andrews wrote: >>> >>> This is related to the lubricant that is used in the >>> drives. Seagate is to blame.. They discovered >>> higher spindle speeds require lubricants that like >>> higher temps... There is a secondary effect due to >>> the way that magnetized materials flip and hold at >>> higher temps. Again, my data may be old as I >>> worked in that industry 20 years ago.. >>> >>> On 05/11/2016 02:58 PM, Chuck McCown wrote: >>> >>> Yep, hot is good according to Google. Somewhere >>> there is a rotating >>> media study that shows they last longer at >>> higher temps. Who woulda thunk. >>> >>> -----Original Message----- From: Josh Reynolds >>> Sent: Wednesday, May 11, 2016 2:48 PM >>> To: af@afmug.com <mailto:af@afmug.com> >>> Subject: Re: [AFMUG] Data center temperatures >>> >>> Ours is at 68deg F, and we monitor dewpoint and >>> humidity ranges. >>> >>> However... >>> >>> http://www.geek.com/chips/googles-most-efficient-data-center-runs-at-95-degrees-1478473/ >>> >>> >>> >>> On Wed, May 11, 2016 at 3:37 PM, Josh Luthman >>> <j...@imaginenetworksllc.com >>> <mailto:j...@imaginenetworksllc.com>> wrote: >>> >>> Just curious what the ideal temp is for a >>> data center. Our really nice >>> building that Sprint ditched ranges from 60 >>> to 90F (on a site monitor). >>> >>> >>> >>> >>> >>> >>> >> >
