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Re: [DNSOP] New Version Notification for draft-wessels-dns-zone-digest-01.txt

Jaap Akkerhuis <jaap@NLnetLabs.nl> Thu, 12 July 2018 18:19 UTC

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To: Warren Kumari <warren@kumari.net>
cc: hsalgado@nic.cl, Shane Kerr <shane@time-travellers.org>, dnsop <dnsop@ietf.org>
From: Jaap Akkerhuis <jaap@NLnetLabs.nl>
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Comments: In-reply-to Warren Kumari <warren@kumari.net> message dated "Thu, 12 Jul 2018 13:55:35 -0400."
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Date: Thu, 12 Jul 2018 20:18:55 +0200
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Subject: Re: [DNSOP] New Version Notification for draft-wessels-dns-zone-digest-01.txt
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 Warren Kumari writes:

 >
 > i *seem* to remember something happening with .de a few years back --
 > IIRC, slaves did a zone transfer, ran out of disk and truncated the
 > file, and so only had a partial zone file to serve - something like
 > 2/3ds of the .de zone "disappeared". A zone checksum would allow the
 > nameserver to know that they do not have a full zone file.
 >
 > My memory is hazy, because I would have expected the AXFR to fail and
 > the nameserver to just continue using the old zone. Perhaps there was
 > some other transfer mechanism and it involves restaring the
 > nameserver? I'm sure someone must remember more detail on this event.

It was more complicated then just a full disk and a corrupt AXFR.
It has also to do with moving to new server hardware and the old
servers interfering. I too forgot the details, but Peter Koch might
jump in here.

	jaap

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