We settled ours at 72 degrees many years ago, after trying different ranges for a while. We have a 2nd “standby” AC that we can kick in if we get notices of server room temperature. We get notified by a SiteMonitor and by the Honeywell thermostat also of significant changes in temperature
From: Af [mailto:[email protected]] On Behalf Of That One Guy /sarcasm Sent: Thursday, May 12, 2016 12:31 AM To: [email protected] Subject: Re: [AFMUG] Data center temperatures 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" <[email protected]<mailto:[email protected]>> 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<tel:937-552-2340> Direct: 937-552-2343<tel:937-552-2343> 1100 Wayne St Suite 1337 Troy, OH 45373 On Wed, May 11, 2016 at 7:31 PM, Eric Kuhnke <[email protected]<mailto:[email protected]> <mailto:[email protected]<mailto:[email protected]>>> 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 <[email protected]<mailto:[email protected]> <mailto:[email protected]<mailto:[email protected]>>> wrote: 104F air intake? No way!!! On May 11, 2016 7:15 PM, "Eric Kuhnke" <[email protected]<mailto:[email protected]> <mailto:[email protected]<mailto:[email protected]>>> 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 <[email protected]<mailto:[email protected]> <mailto:[email protected]<mailto:[email protected]>>> 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: [email protected]<mailto:[email protected]> <mailto:[email protected]<mailto:[email protected]>> 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 <[email protected]<mailto:[email protected]> <mailto:[email protected]<mailto:[email protected]>>> 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).
