Not sure. Some of the wordage indicates it may be a separate incident (albeit at a similar time)...
On Fri, 14 Dec. 2018, 7:50 am Simon Sharwood <si...@jargonmaster.com wrote: > > https://www.theregister.co.uk/AMP/2014/02/04/loud_data_centre_gas_release_sounds_harm_disks/ > was it this one Robert? > ------------------------------ > *From:* AusNOG <ausnog-boun...@lists.ausnog.net> on behalf of Robert > Hudson <hud...@gmail.com> > *Sent:* Friday, December 14, 2018 7:45:06 AM > *To:* Bevan Slattery > *Cc:* AusNOG@lists.ausnog.net > *Subject:* Re: [AusNOG] [AUSNog] : Re Data Centre Fire Suppression Safety > > I can confirm that the sound/pressure wave from a gas discharge can, does > and absolutely did destroy a lot of spinning disks in some very expensive > kit (big data and database appliances) when such a system was accidently > deployed in a datacentre I am familiar with. > > On Fri, 14 Dec. 2018, 5:02 am Bevan Slattery <be...@slattery.net.au wrote: > >> It’s pretty much all been said. >> >> Halon (long gone). Reaction sucks oxygen out of air. >> FM200 (safe but being phased out). Heard it can leave a residue despite >> the brochure saying not. >> Inergen more common (and others like it). Fundamentally mostly nitrogen >> that drops oxygen below 15% and drops temperature. These are two >> components of a fire (heat, fuel and oxygen). People can operate >> comfortably below 15% oxygen. In fact at 10% you can still function more >> than enough to pick up your gear and leave the room. >> >> I did quite a bit of research on reduced oxygen environments (hypoxic) >> which is used on (Firepass etc.) >> http://www.firepass.com/oxygen-reduction-fire >> >> Obviously dry pipe is used a lot. The issues with gas suppression today >> are more around noise (and vibration) and temp drop and they relate to >> spinning disks and circuit boards, more than people. >> >> The issues around dry pipe is, well when it goes off, it’s not very dry >> and water/equipment certainly doesn’t mix. >> >> Cheers >> >> B >> >> ------------------------------ >> *From:* AusNOG <ausnog-boun...@lists.ausnog.net> on behalf of Paul >> Wilkins <paulwilkins...@gmail.com> >> *Sent:* Wednesday, December 12, 2018 3:53 pm >> *To:* AusNOG@lists.ausnog.net >> *Subject:* [AusNOG] [AUSNog] : Re Data Centre Fire Suppression Safety >> >> Every data centre has a fire suppression system. We're not used to >> thinking of this as a hazardous environment, but consequent totwo techs >> being found dead working on a fire suppression system in Antarctica >> <https://www.theguardian.com/world/2018/dec/12/antarctica-two-technicians-dead-mcmurdo-station-ross-island>, >> I find myself wondering yet again, why there aren't more stringent controls >> around the fire suppression systems in data centres: viz - when you enter a >> data centre, how confident can you be you're not going to be quietly >> asphyxiated? >> >> Kind regards >> >> Paul Wilkins >> >> _______________________________________________ >> AusNOG mailing list >> AusNOG@lists.ausnog.net >> http://lists.ausnog.net/mailman/listinfo/ausnog >> > _______________________________________________ > AusNOG mailing list > AusNOG@lists.ausnog.net > http://lists.ausnog.net/mailman/listinfo/ausnog >
_______________________________________________ AusNOG mailing list AusNOG@lists.ausnog.net http://lists.ausnog.net/mailman/listinfo/ausnog