I can confirm a similar incident not in Sydney. It was later confirmed that the noise was the contributing factor to the disk death. James
On Fri, 14 Dec 2018, at 07:32, Robert Hudson wrote: > 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 > <[email protected] 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 <[email protected]> on behalf of Robert >> Hudson <[email protected]> *Sent:* Friday, December 14, 2018 7:45:06 >> AM *To:* Bevan Slattery *Cc:* [email protected] *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 >> <[email protected] 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 <[email protected]> on behalf of Paul >>> Wilkins <[email protected]> *Sent:* Wednesday, December 12, >>> 2018 3:53 pm *To:* [email protected] *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[1], 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 >>> [email protected] >>> http://lists.ausnog.net/mailman/listinfo/ausnog >> _______________________________________________ >> AusNOG mailing list >> [email protected] >> http://lists.ausnog.net/mailman/listinfo/ausnog > _________________________________________________ > AusNOG mailing list > [email protected] > http://lists.ausnog.net/mailman/listinfo/ausnog Links: 1. https://www.theguardian.com/world/2018/dec/12/antarctica-two-technicians-dead-mcmurdo-station-ross-island
_______________________________________________ AusNOG mailing list [email protected] http://lists.ausnog.net/mailman/listinfo/ausnog
