Power, Data Centres ,and Iceland
Rod.Beck at hiberniaatlantic.com
Thu Aug 16 18:03:25 UTC 2007
How much is power as a percent of data centre operating expense? What sort of a range do you see?
We are building a high capacity cable to Iceland, which has already become a major aluminum smelting centre due to its cheap geothermal and hydro power, and we've already received inquiries for connectivity to Iceland for data centre opportunities.
I assume that expense and ability to scale the power network are the key concerns of the IT community. And for governments, carbon emissions should
Roderick S. Beck
Director of EMEA Sales
1, Passage du Chantier, 75012 Paris
AOL Messenger: GlobalBandwidth
rod.beck at hiberniaatlantic.com
rodbeck at erols.com
``Unthinking respect for authority is the greatest enemy of truth.'' Albert Einstein.
From: owner-nanog at merit.edu on behalf of Valdis.Kletnieks at vt.edu
Sent: Thu 8/16/2007 4:25 PM
To: Tuc at T-B-O-H
Cc: nanog at nanog.org
Subject: Re: Do I or RR need dns clue?
On Thu, 16 Aug 2007 10:40:49 EDT, Tuc at T-B-O-H said:
> Mail to RR users is getting refused due to PTR issues. I contacted
> RR and explained that yea, one of our 2 DNS servers for the
> IN-ADDR.ARPA is down, but the other is fine. They said that
> I should either get the DNS server back up (Which of course
> is already being worked on, was the minute it went down)
> or delete it from ARIN IN-ADDR.ARPA records.
> Isn't the whole point of multiple DNS servers that if one is down
> the other can still answer queries? Or am I missing something
Depends exactly what your "down" server is doing. If it's totally not
answering, the resolver at RR should silently fall back and try the other one.
It gets more interesting if your "down" server is still answering queries,
particlylarly if it's giving out "I never heard of it" answers with the
authoritative bit set because it's blown out a zone. In that case, the RR
resolver is within its rights to assume that your NS knows what it's talking
about and believing it.
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