how does Bind choose which master to xfer from?

[Anthony.Golia at msdw.com]

Thanks.

Do you happen to know what it'll do if all the serial no.s are the same?

On Sat, 3 Jun 2000 Mark.Andrews at nominum.com wrote:

> 
> > Hi.
> > 
> > if I have:
> > 
> > zone "foo.com" {
> >         type slave;
> >         file "data/db.foo";
> >         masters {
> >                 10.1.1.1;
> >                 172.17.1.1;
> >         };
> > };
> > 
> > which master will my secondary do the xfer from?  And does the order I
> > list the masters matter?  I think I remember (from reading the code)
> > that it'll do an SOA query to all masters listed and do the xfer from
> > the one with the least RTT.  Is this true?  If so, is there a way to
> > control this behviour:  i.e. I want my slave to always do (or try) an
> > xfer from the first master listed even if its RTT is greater.
> > 
> > As always, any help is appreciated.
> > 
> > -- 
> > Anthony
> > 
> > 
> 	It will query all masters in order.  When it finds one with a newer
> 	version of the zone than the slave currently has it start a zone
> 	transfer.
> 
> 	Mark
> --
> Mark Andrews, Nominum Inc.
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at nominum.com
> 
> 
> 

Anthony