Re: [Beowulf] urgent: cost of fire suppression?

2016-04-19 Thread Per Jessen
oy, be it > plain water sprinklers or some kind of chemical foam. I thought halon gas was the usual choice for datacentres, has that gone out of fashion? -- Per Jessen, Zürich (14.2°C) http://www.dns24.ch/ - your free DNS host, made in Switzerland. __

Re: [Beowulf] In appropriate post (was "In the news again HPC in Iceland")

2012-09-25 Thread Per Jessen
ble, a kilowatthour is 8 cents in the Netherlands. http://www.energy.eu/#Industrial-Elec Only Bulgaria comes close with about 5cents/kwh. -- Per Jessen, Zürich (17.7°C) ___ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Co

Re: [Beowulf] 6 TFlops, 450 MFlops/W watercooled IBM @ ETH

2010-07-07 Thread Per Jessen
ore efficient > than air, but how real world tested is this? The concept is very real world, but quite old. Back in the 80s I worked for a Danish bank - our IBM 3090s were water-cooled as were the cooling-towers. Around '89 we install

Re: [Beowulf] Beowulf Storage Node

2009-04-15 Thread Per Jessen
using Linux? > > Sure it is. The only issue you may run into is that the partition > containing /boot can't be on software RAID, grub & lilo don't know how > to deal with RAID partitions. That's not correct - lilo has no such problems. /Per Jessen, Zürich ___

Re: [Beowulf] copying big files

2008-08-11 Thread Per Jessen
aven't seen any mention of csync2 so far? http://oss.linbit.com/csync2/ /Per Jessen, Zürich ___ Beowulf mailing list, Beowulf@beowulf.org To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf

Re: [Beowulf] A press release

2008-07-16 Thread Per Jessen
terminals. Later on (probably early 1980s) I'm pretty certain I encountered a somewhat bigger Texas Instruments machine, but with front panel toggle switches too. /Per Jessen, Zürich ___ Beowulf mailing list, Beowulf@beowulf.org To change you

Re: [Beowulf] Watts Up Pro

2007-07-17 Thread Per Jessen
akes, air outlets, whathaveyou. I've also used the IOM142 controller : http://www.phanderson.com/iom142/iom142.html on various minor jobs that involved controlling of a fan or something. /Per Jessen, Zürich ___ Beowulf mailing list, Beowulf

Re: [Beowulf] Apologies for the spam/virus yesterday

2006-02-09 Thread Per Jessen
Please don't. /Per Jessen, Zürich ___ Beowulf mailing list, Beowulf@beowulf.org To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf