multi-master and ixfr-from-differences: failed: new serial (2010060900) out of range"

[Mark Andrews]

In message <20100625060415.GA18513 at fantomas.sk>, Matus UHLAR - fantomas writes:
> Another attempt.
> 
> We get these quite often. Any idea where could be the problem?

Turn off try-tcp-refresh.

> 
> On 10.06.10 09:34, Matus UHLAR - fantomas wrote:
> > I run slaves for root zone on two machines, they behave as one of masters
> > for each other and for all our resurcive servers providing ixfr 
> >  (I work for an ISP so I think
> > it's feasible for us) and I ocationally get these error in log file:
> > 
> > Jun  9 23:11:58 mydb02 named[1427]: general: error: zone ./IN: ixfr-from-di
> fferences: failed: new serial (2010060900) out of range [2010060901 - 4157544
> 547]
> > Jun  9 23:11:58 mydb02 named[1427]: xfer-in: error: transfer of './IN' from
>  192.228.79.201#53: failed while receiving responses: out of range
> > Jun  9 23:11:58 mydb02 named[1427]: xfer-in: info: transfer of './IN' from 
> 192.228.79.201#53: Transfer completed: 2 messages, 3564 records, 112157 bytes
> , 1.812 secs (61896 bytes/sec)
> > 
> > Jun  9 23:11:59 mydb02 named[1427]: general: info: zone ./IN: transferred s
> erial 2010060901
> > Jun  9 23:11:59 mydb02 named[1427]: xfer-in: info: transfer of './IN' from 
> 192.5.5.241#53: Transfer completed: 3 messages, 3564 records, 125268 bytes, 0
> .522 secs (239977 bytes/sec)
> > Jun  9 23:11:59 mydb02 named[1427]: notify: info: zone ./IN: sending notifi
> es (serial 2010060901)
> > 
> > I wonder what should this mean. I have turned multi-master yes for this zon
> e
> > so I expected that BIND should be quiet if the SOA on master is "smaller".
> > 
> > However this looks like BIND notices higher serial on one of masters, but
> > then tried to fetch from different master where the SOA hasn't changed yet.
> > 
> > Is ther an bug/issue with multiple masters configuration?
> 
> -- 
> Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
> Warning: I wish NOT to receive e-mail advertising to this address.
> Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
> Quantum mechanics: The dreams stuff is made of. 
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-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org