H went down.

Published: 2010-10-03
Last Updated: 2011-01-24 23:33:51 UTC
by Adrien de Beaupre (Version: 1)
2 comment(s)

Well the bad news is the H root servers were not available for over 18 hours. The good news is that practically nobody noticed. As it turns out a fiber cut and poor weather took out access to this cluster of root DNS servers. https://lists.dns-oarc.net/pipermail/dns-operations/2010-October/006142.html shows the explanation for the outage. While the outage had no direct impact on Internet users, it does point out the necessity of proper design for redundancy. Graph of the H availability:

Adrien de Beaupré
Intru-shun.ca Inc.

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