RBL & BIND 8.2.4

[Mark_Andrews at isc.org]

> 
> 
> We recently began transferring the rbl-plus zone to our name servers.
> Not knowing how big the zone was (20MB!) I decided to transfer it to our
> single master name server using an incremental zone transfer (BIND 8.2.4).
> I then transfer the zone to our primary and secondary name servers using a
> standard zone transfer.
> 
> I don't really understand how IXFR works but it seems to have reduced the
> number of times the zone downloads. Actually it seems to happen
> consistently every few hours. However, when it transfers I get a
> 
> Jul 18 00:01:19 host1 named[28787]: [ID 295310 daemon.notice] drained
> 416 queries (delay 36 sec)
> 
> Does this mean my entire name server is "deaf" for the entire duration of
> the transfer (36 seconds according to the message)?

	It was deaf while the zone was loaded from disk.

> What can I do to
> alleviate this problem? Would incremental zone transfers to my slaves
> help? Can I do configure an incremental zone transfer for one zone only or
> does it have to be all the zones?

	Increment zone transfer will help but I would use BIND 9 not
	BIND 8 if you want to do IXFR.
 
> Any help/advice would be appreciated.
> 
> -Mike
> 
> 
> 
> 
> 
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org