notifies

[James Griffin]

Will Yardley wrote:
> 
> i've been wondering about this for a while, and so i'm hoping someone
> can help.  i'm pretty sure i have everything setup ok with my machines
> (all 9.2.0), but even though notifies are supposedly sent, they don't
> appear to be received / followed.
> 
> on the master machine:
> 
> Feb 19 00:13:33.240 zone veggiechinese.net/IN: loaded serial 2002021901

Note the serial number = 2002021901, this is the same as the serial
number on the slaves.  Qouting from later in your message:

    > as of now, the secondary nameserver still hasn't updated, and
probably
    > won't until i refresh it.
    > 
    > aura% dig soa veggiechinese.net @ns2.veggiechinese.net +sh
    > ns1.veggiechinese.net. william.newdream.net. 2001121901 10800 1800
    > 1814400 300
    > 
    > aura% dig soa veggiechinese.net @ns1.veggiechinese.net +sh
    > ns1.veggiechinese.net. william.newdream.net. 2002021901 10800 1800
    > 1814400 300


The Notify message is only a "head-ups
" message with the zone and serial number.  Your slaves see that the
serial number has not changed and so there is no preceived need to
request a zone transfer.

Jim



> Feb 19 00:13:33.244 zone veggiechinese.net/IN: sending notifies (serial
> 2002021901)
> 
> however, the slave machine doesn't log the notify, and doesn't reload
> the zone.
> 
> i get:
> (before reload; a minute before notify is sent... servers are at almost
> exactly the same time and are using the same ntp server; a dig of a
> newly added subdomain didn't show up until after the reload)
> 
> Feb 19 00:12:07.104 client 216.246.18.15#52118: transfer of
> 'veggiechinese.net/IN': AXFR started
> 
> and after rndc reload veggiechinese.net (on the slave):
> 
> Feb 19 00:17:59.549 transfer of 'veggiechinese.net/IN' from
> 64.174.220.43#53: end of transfer
> Feb 19 00:17:59.549 zone veggiechinese.net/IN: sending notifies (serial
> 2002021901)
> 
> in the master machine's named.conf file:
> 
> zone "veggiechinese.net" {
>         type master;
>         file "veggiechinese.net";
> };
> 
> and in one of the slave's:
> zone "veggiechinese.net" {
>         type slave;
>         file "secondary/veggiechinese.net";
>         masters {
>                 64.174.220.43;
>         };
> };
> 
> shouldn't the notify request itself cause an almost immediate zone
> transfer, or am i misunderstanding things?
> 
> master machine is running solaris 8, one slave is running debian linux
> 2.2, and the other is running freebsd 4.5; all are 9.2.0.
> 
> as of now, the secondary nameserver still hasn't updated, and probably
> won't until i refresh it.
> 
> aura% dig soa veggiechinese.net @ns2.veggiechinese.net +sh
> ns1.veggiechinese.net. william.newdream.net. 2001121901 10800 1800
> 1814400 300
> 
> aura% dig soa veggiechinese.net @ns1.veggiechinese.net +sh
> ns1.veggiechinese.net. william.newdream.net. 2002021901 10800 1800
> 1814400 300
> 
> i can post additional information if necessary.
> 
> --
> Will Yardley
> Newdream Network
> Please reply to the newsgroup only.