refresh_callback: zone , after bind9 upgrade

[Mark.Andrews at nominum.com]

> The strange thing is, it does actually transfer the
> zone information.  I would expect that the timeout
> errors would mean that the zones didn't get transfered
> sucessfully.  Updates to the master seem to be working
> correctly and pusing to the slaves ok.
> 
> Is there a way to tune the amount of seconds to wait,

	No apart from changing the source code.

> and I wonder why this didn't happen when the system
> was bind8?

	BIND 9 is a complete re-write.
> 
> --- Mark.Andrews at nominum.com wrote:
> > 
> > 	A refresh_callback is the code called when a
> > refresh query
> > 	succeeds or fails.  A refresh query is the query
> > made to
> > 	see if the zone is up to dat.  The server will make
> > three
> > 	of these before it gives up and reschedules roughly
> > retry
> > 	seconds later.  The failure is that the nameserver
> > didn't
> > 	get a response in the expected time (timed out).
> > 
> > 	Mark
> > 
> > > 
> > > I recently upgraded one of my slaves to bind
> > 9.1.3. (My master is an
> > > old bind8 box)
> > > Now I receive several:
> > > /opt/bind9/sbin/named[646]: refresh_callback: zone
> > > 155.62.209.in-addr.arpa/IN: failure for
> > 10.1.1.6#53: timed out
> > > 
> > > I have noticed tons of posts here regarding the
> > same thing, but no
> > > real resolution.  It seems harmless since the
> > zones are getting
> > > transfered, but I am wondering exactly what
> > refresh_callback does and
> > > why it's failing.  This happens with a large
> > number of zones (maybe
> > > all, I haven't been able to sift through it yet). 
> > Eventually it also
> > > gets an error for maximum number of retries
> > exceeded for
> > > refresh_callback as well for each zone.
> > > 
> > > Does anyone know the real problem here?  There is
> > no firewall access
> > > or permission problems, since this machine
> > formerly transfered zones
> > > without the error and dig axfr transfers the zone
> > fine.
> > > 
> > > Is this something new in bind9 or an
> > incompatibility between bind8 and
> > > 9?
> > > 
> > > Any help would be greately appreciated.
> > > Jerry
> > > 
> > --
> > Mark Andrews, Nominum Inc.
> > 1 Seymour St., Dundas Valley, NSW 2117, Australia
> > PHONE: +61 2 9871 4742                 INTERNET:
> Mark.Andrews at nominum.com
> 
> 
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--
Mark Andrews, Nominum Inc.
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at nominum.com