Well right, which came well after the question was posited here. ----- Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP ----- Original Message ----- From: "Tom Beecher" <beecher@beecher.cc> To: "Mike Hammett" <nanog@ics-il.net> Cc: sronan@ronan-online.com, "NANOG" <nanog@nanog.org> Sent: Thursday, January 18, 2024 9:00:34 AM Subject: Re: "Hypothetical" Datacenter Overheating and none in the other two facilities you operate in that same building had any failures. Quoting directly from their outage ticket updates : <blockquote> CH2 does not have chillers, cooling arrangement is DX CRACs manufactured by another company. CH3 has Smart chillers but are water cooled not air cooled so not susceptible to cold ambient air temps as they are indoor chillers. </blockquote> On Mon, Jan 15, 2024 at 10:19 AM Mike Hammett < nanog@ics-il.net > wrote: <blockquote> and none in the other two facilities you operate in that same building had any failures. ----- Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP From: sronan@ronan-online.com To: "Mike Hammett" < nanog@ics-il.net > Cc: "NANOG" < nanog@nanog.org > Sent: Monday, January 15, 2024 9:14:49 AM Subject: Re: "Hypothetical" Datacenter Overheating I’m more interested in how you lose six chillers all at once. Shane <blockquote> On Jan 15, 2024, at 9:11 AM, Mike Hammett < nanog@ics-il.net > wrote: </blockquote> <blockquote> 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? ----- Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP </blockquote> </blockquote>