Approximately 3 hrs ago we lost B-feed at Minneapolis Cologix.

Apparently the local utility requested that they move one side to
generator due to the weather and high-utilization, and the ATS failed.

But we're up ...


On 1/30/19 10:50 AM, Mel Beckman wrote:
> Being a Minnesota native, I can tell you that while it is indeed cold,
> this is nothing new i the Great White North :)  I am amaze a how
> consistently the media overplays the severity of Midwest cold weather as
> some kind of unique phenomenon. They amplify this by reporting the
> wind-chill factor, which is the “what it feels like” equivalent in a
> cold and windy environment. But equipment feels nothing, so windchill is
> irrelevant.
>
> For example, Minneapolis is -20F, but the news media instead reports
> “-60F wind chill”, which, while dramatic, is not meaningful for most
> purposes. I grew up in Minnesota with -30F and lower quite common, and
> we walked to school in those temperatures. You just have to dress well.
> Minneapolis is paved with tunnels and heated skyways to eliminate most
> outdoor walking downtown.
>
> As far as networks go, none of the ISPs I know of do anything different
> than anywhere else in the country. Everyone has backup power. It’s
> already common practice everywhere to exploit cooler winter ambient
> temperatures to reduce HVAC requirements, so that’s not new either. But
> it gets as hot in the Midwest in our summer as it is in SA for you now,
> so everyone must still build out HVAC capacity to cover the hottest days.
>
>   -mel beckman
>
> On Jan 30, 2019, at 8:40 AM, Mark Tinka <mark.tinka@seacom.mu
> <mailto:mark.tinka@seacom.mu>> wrote:
>
>> For anyone running IP networks in the Midwest, are you having to do
>> anything special to keep your networks up?
>>
>> For the data centres, is this cold front a chance to reduce air
>> conditioning costs, or is it actually straining the infrastructure?
>>
>> I'm curious, from a +27-degree C summer's day here in Johannesburg.
>>
>> Mark.