several master ip's for a slave zone
Lyle Giese
lyle at lcrcomputer.net
Sat Nov 5 13:29:35 UTC 2011
On 11/05/11 03:21, kalpesh varyani wrote:
> How does this feature address the risk that data provided by one master
> might get overwritten by another?
> Regards,
> Kalpesh
>
> On Fri, Nov 4, 2011 at 4:08 AM, Anand Buddhdev <anandb at ripe.net
> <mailto:anandb at ripe.net>> wrote:
>
> On 03/11/2011 23:14, hugo hugoo wrote:
>
> Hi Hugo,
>
> > I have seen that for a slave zone, it is possible to configure
> several master IP's.
> > Why this possibility?
> > How does it works if several master zone can be used for the zone
> transfer?
>
> This allows for resiliency. In case one of the master servers is
> unreachable, BIND can try the next master in the list.
>
> Anand Buddhdev
> RIPE NCC
> _______________________________________________
When you have more than one master, the serial number is used to
determine which Master has the most current version of the zone by the
slaves. The slaves actually ask for the SOA record from each Master
when refreshing.
Lyle Giese
LCR Computer Services, Inc.
More information about the bind-users
mailing list