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 :: Mailing Lists

[ILUG] Disadvantages of CNAMEs

[ILUG] Disadvantages of CNAMEs

Nick Murtagh murtaghn at tcd.ie
Thu Apr 11 16:49:13 IST 2002


On Thursday 11 April 2002 16:42, Paul Jakma wrote:
> been there since bind 8 iirc.

fair enough!

> and how would one build a failure notice into it? bearing in mind you
> can easily tell by comparing SOA serial fields between slaves and
> master.

Don't know, don't really care! I remember bind updates as being semi-magical, 
and quite slow. Not to mention the time I tried getting a w2k dns server to 
act as a slave to bind8. The poor thing was so sick it had to be killed.

> hang on... why would you need to transfer the zone files to the
> slaves?

In djbworld there are no slaves. Each dns server is independant, they just 
happen to operate off the same zone data. There's no particular reason for 
having a master / slave thing, that's just how bind implements things...

> how do you update a running tinydns?

If the timestamp on data.cdb changes, the server reloads the data. No 
restarts, nice and fast.




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