Sounds like they have a block design, with one generator feeding a specific bus which is designed for capacity not redundancy. As they need more capacity they add another bus, but don't offer the ability to connect to multiple buses for a 2N type configuration.
On Sunday, May 31, 2015, DTNX Postmaster via Outages <outages@outages.org> wrote: > On 31 May 2015, at 18:47, ryanL via Outages <outages@outages.org > <javascript:;>> wrote: > > > for all we know the generator was proactively tested on a regular basis. > testing doesn't preclude failure on a subsequent run. > > And until they release a thorough post-incident report, there's no more > value in your answer than in Jim's. Like, 'for all we know', their systems > are oversubscribed, they're behind on maintenance and planned upgrades, and > their tests aren't reflective of the actual load during an outage. > > Eight generators total, and the failure of a single one takes out an > entire suite. If I were Linode, I'd want a damn good explanation for that > one. > > -- > > > On Sun, May 31, 2015 at 9:23 AM Jim Popovitch via Outages < > outages@outages.org <javascript:;>> wrote: > > On Sun, May 31, 2015 at 12:16 PM, Chris Vervais <cverv...@me.com > <javascript:;>> wrote: > > > > > >> On May 31, 2015, at 08:06, Jim Popovitch via Outages < > outages@outages.org <javascript:;>> wrote: > > >> > > >> On Sun, May 31, 2015 at 11:00 AM, Mark Keymer via Outages > > >> <outages@outages.org <javascript:;>> wrote: > > >>> But honestly I am guessing it was a failure with no foul play > happening. > > >> > > >> Apparently no solid proactive testing plan either. > > > > > > For all we know the generator was checked last week and was fine. > > > > > > In the absence of all the facts we should probably restrain from > assuming one thing or another and give them the benefit of the doubt. And, > that they're taking this is a learning experience and delving into where > gaps exist and how to close them. > > > > Of course, for a new DC or relatively new DC operator. But come on, > > HE @ FMT2 are where I would expect perfection. > > > > -Jim P. > > > _______________________________________________ > Outages mailing list > Outages@outages.org <javascript:;> > https://puck.nether.net/mailman/listinfo/outages > -- Brendan Mannella TeraSwitch Inc. Main - 1.412.945.7045 Direct - 1.412.945.7049 eFax - 1.412.945.7049 Colocation . Cloud . Connectivity
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