Good thing there are no windows at this “hypothetical” location :)
> On Jan 16, 2024, at 1:51 AM, [email protected] wrote: > > > Something worth a thought is that as much as devices don't like being > too hot they also don't like to have their temperature change too > quickly. Parts can expand/shrink variably depending on their > composition. > > A rule of thumb is a few degrees per hour change but YMMV, depends on > the equipment. Sometimes manufacturer's specs include this. > > Throwing open the windows on a winter day to try to rapidly bring the > room down to a "normal" temperature may do more harm than good. > > It might be worthwhile figuring out what is reasonable in advance with > buy-in rather than in a panic because, from personal experience, > someone will be screaming in your ear JUST OPEN ALL THE WINDOWS > WHADDYA STUPID? > >> On January 15, 2024 at 09:23 [email protected] (Clayton Zekelman) wrote: >> >> >> >> At 09:08 AM 2024-01-15, Mike Hammett wrote: >>> Let's say that hypothetically, a datacenter you're in had a cooling >>> failure and escalated to an average of 120 degrees before >>> mitigations started having an effect. What are normal QA procedures >>> on your behalf? What is the facility likely to be doing? >>> What should be expected in the aftermath? >> >> One would hope they would have had disaster recovery plans to bring >> in outside cold air, and have executed on it quickly, rather than >> hoping the chillers got repaired. >> >> All our owned facilities have large outside air intakes, automatic >> dampers and air mixing chambers in case of mechanical cooling >> failure, because cooling systems are often not designed to run well >> in extreme cold. All of these can be manually run incase of controls >> failure, but people tell me I'm a little obsessive over backup plans >> for backup plans. >> >> You will start to see premature failure of equipment over the coming >> weeks/months/years. >> >> Coincidentally, we have some gear in a data centre in the Chicago >> area that is experiencing that sort of issue right now... :-( >> >> >> > > -- > -Barry Shein > > Software Tool & Die | [email protected] | > http://www.TheWorld.com > Purveyors to the Trade | Voice: +1 617-STD-WRLD | 800-THE-WRLD > The World: Since 1989 | A Public Information Utility | *oo*
