<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">CO2 is popular in some markets - eg. Japan still. I’ve talked to operators there and they seem pretty confident in it. <div class=""><br class=""></div><div class="">Halon is definitely a thing for certain tasks - my Dad at one point was responsible (well, people who reported to him were) for an irreplaceable historic collection and they valued protecting over anything. I recall you had to be careful about signing in and out and carry a kit and you had a minute to get out when the alarm went off.</div><div class=""><br class=""></div><div class="">10% oxygen is about summit of Denali (20kft) - it’s not something most of us deal with, but you can survive for a bit. (Obviously not quite the same as the gas is more dense than at 20kft etc).</div><div class=""><br class=""></div><div class="">MMC<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 13 Dec 2018, at 8:21 pm, Alan Maher <<a href="mailto:alanmaher@gmail.com" class="">alanmaher@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none; float: none; display: inline !important;" class="">Co2 was the original choice for fire problems in early data centres.</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none; float: none; display: inline !important;" class="">Then....... they found a few problems.</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none; float: none; display: inline !important;" class="">Number one problem was that Co2 was so cold it not only put put the fire, but it completely</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none; float: none; display: inline !important;" class="">destroyed all the circuit boards. They cracked and so did the computers.</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none; float: none; display: inline !important;" class="">Plan B was Halon, and we all know how that worked.</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none; float: none; display: inline !important;" class="">Illegal now, but probably the guys in Antarctica may have hit the wrong button.</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none;" class=""><div class="moz-cite-prefix" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none;">On 13/12/2018 6:17 PM, Matt Perkins wrote:<br class=""></div><blockquote type="cite" cite="mid:CA3C21C8-1827-421A-BFC9-5D7416E53964@spectrum.com.au" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none;" class="">Depends on the fire system. If it’s co2 like in some high power environments it can be quite dangerous but most other agents are relatively harmless. I can’t think of a good reason why a data Center would use co2. Most environments with co2 suppression also have leak detectors and alarms. <div class=""><br class=""></div><div class="">Matt</div><div class=""><br class=""><br class=""><div dir="ltr" class=""><div class=""><br class=""></div><div class="">-- </div><div class="">/* Matt Perkins</div><div class=""> Direct 1300 137 379 Spectrum Networks Ptd. Ltd.</div><div class=""> Office 1300 133 299 <span class="Apple-converted-space"> </span><a href="mailto:matt@spectrum.com.au" moz-do-not-send="true" style="color: purple; text-decoration: underline;" class="">matt@spectrum.com.au</a></div><div class=""> Fax 1300 133 255 Level 6, 350 George Street Sydney 2000</div><div class=""> <span class="Apple-converted-space"> </span>SIP<span class="Apple-converted-space"> </span><a href="mailto:1300137379@sip.spectrum.com.au" moz-do-not-send="true" style="color: purple; text-decoration: underline;" class="">1300137379@sip.spectrum.com.au</a></div><div class=""> Google Talk<span class="Apple-converted-space"> </span><a href="mailto:MattAPerkins@gmail.com" moz-do-not-send="true" style="color: purple; text-decoration: underline;" class="">MattAPerkins@gmail.com</a></div><div class=""> PGP/GNUPG Public Key can be found at <a href="http://pgp.mit.edu/" moz-do-not-send="true" style="color: purple; text-decoration: underline;" class="">http://pgp.mit.edu</a></div><div class="">*/</div></div><div dir="ltr" class=""><br class="">On 13 Dec 2018, at 11:00 am, Chris Ford <<a href="mailto:chris.ford@inaboxgroup.com.au" moz-do-not-send="true" style="color: purple; text-decoration: underline;" class="">chris.ford@inaboxgroup.com.au</a>> wrote:<br class=""><br class=""></div><blockquote type="cite" class=""><div dir="ltr" class=""><div class="WordSection1" style="page: WordSection1;"><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">As a university cadet working for IBM in the late 80s I remember getting inducted into the Westpac data centres and getting a long explanation of what to do when the halon system went off – where the breathing gear was, where the exits were, to basically just drop everything and run.<o:p class=""></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Have been inducted into a few DCs in the last 3 years and can’t remember that being part of the induction at all – although given I already knew it I may have just glossed over that part.<o:p class=""></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span class="">--<o:p class=""></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; line-height: 16.866666793823242px;" class=""><span style="font-size: 12pt; line-height: 18.399999618530273px;" class="">Chris Ford<o:p class=""></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; line-height: 16.866666793823242px;" class=""><span style="font-size: 10pt; line-height: 15.333332061767578px;" class="">Chief Technology Officer<o:p class=""></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; line-height: 16.866666793823242px;" class=""><span style="font-size: 10pt; line-height: 15.333332061767578px;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><b class=""><span style="font-size: 12pt;" class="">INABOX GROUP<o:p class=""></o:p></span></b></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; line-height: 16.866666793823242px;" class=""><b class=""><span style="font-size: 10pt; line-height: 15.333332061767578px;" class="">m</span></b><b class=""><span style="font-size: 10pt; line-height: 15.333332061767578px;" class=""><span class="Apple-converted-space"> </span></span></b><span style="font-size: 10pt; line-height: 15.333332061767578px;" class="">0401 988 844<span class="Apple-converted-space"> </span></span><b class=""><span style="font-size: 10pt; line-height: 15.333332061767578px;" class="">e</span></b><b class=""><span style="font-size: 10pt; line-height: 15.333332061767578px;" class=""><span class="Apple-converted-space"> </span></span></b><span style="font-size: 10pt; line-height: 15.333332061767578px;" class=""><a href="mailto:chris.ford@inaboxgroup.com.au" moz-do-not-send="true" style="color: purple; text-decoration: underline;" class="">chris.ford@inaboxgroup.com.au</a><o:p class=""></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><b class=""><span style="font-size: 10pt;" class="">t</span></b><b class=""><span style="font-size: 10pt;" class=""><span class="Apple-converted-space"> </span></span></b><span style="font-size: 10pt;" class="">02 8275 6871<span class="Apple-converted-space"> </span></span><b class=""><span style="font-size: 10pt;" class="">w</span></b><b class=""><span style="font-size: 10pt;" class=""><span class="Apple-converted-space"> </span></span></b><span style="font-size: 10pt;" class=""><a href="http://www.inaboxgroup.com.au/" moz-do-not-send="true" style="color: purple; text-decoration: underline;" class="">www.inaboxgroup.com.au</a></span><o:p class=""></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0cm 0cm 0.0001pt 36pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><b class=""><span lang="EN-US" class="">From:</span></b><span lang="EN-US" class=""><span class="Apple-converted-space"> </span>AusNOG <<a href="mailto:ausnog-bounces@lists.ausnog.net" moz-do-not-send="true" style="color: purple; text-decoration: underline;" class="">ausnog-bounces@lists.ausnog.net</a>><span class="Apple-converted-space"> </span><b class="">On Behalf Of<span class="Apple-converted-space"> </span></b>Paul Wilkins<br class=""><b class="">Sent:</b><span class="Apple-converted-space"> </span>Thursday, 13 December 2018 10:53 AM<br class=""><b class="">To:</b><span class="Apple-converted-space"> </span><a href="mailto:AusNOG@lists.ausnog.net" moz-do-not-send="true" style="color: purple; text-decoration: underline;" class="">AusNOG@lists.ausnog.net</a><br class=""><b class="">Subject:</b><span class="Apple-converted-space"> </span>[AusNOG] [AUSNog] : Re Data Centre Fire Suppression Safety<o:p class=""></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt 36pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div class=""><div class=""><p class="MsoNormal" style="margin: 0cm 0cm 12pt 36pt; font-size: 11pt; font-family: Calibri, sans-serif;">Every data centre has a fire suppression system. We're not used to thinking of this as a hazardous environment, but consequent to<span class="Apple-converted-space"> </span><a href="https://www.theguardian.com/world/2018/dec/12/antarctica-two-technicians-dead-mcmurdo-station-ross-island" moz-do-not-send="true" style="color: purple; text-decoration: underline;" class="">two techs being found dead working on a fire suppression system in Antarctica</a>, 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?<br class=""><br class="">Kind regards<br class=""><br class="">Paul Wilkins<o:p class=""></o:p></p></div></div></div></div></blockquote><blockquote type="cite" class=""><div dir="ltr" class=""><span class="">_______________________________________________</span><br class=""><span class="">AusNOG mailing list</span><br class=""><span class=""><a href="mailto:AusNOG@lists.ausnog.net" moz-do-not-send="true" style="color: purple; text-decoration: underline;" class="">AusNOG@lists.ausnog.net</a></span><br class=""><span class=""><a href="http://lists.ausnog.net/mailman/listinfo/ausnog" moz-do-not-send="true" style="color: purple; text-decoration: underline;" class="">http://lists.ausnog.net/mailman/listinfo/ausnog</a></span><br class=""></div></blockquote></div><br class=""><fieldset class="mimeAttachmentHeader"></fieldset><pre class="moz-quote-pre" wrap="">_______________________________________________
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