[dns-operations] db- files on secondary dns server
sjcarr at gmail.com
Tue Jan 21 13:22:33 UTC 2014
On 21 January 2014 13:12, Ayca Taskin (Garanti Teknoloji) <
AycaTa at garanti.com.tr> wrote:
> We’re using Bind DNS server with version BIND 9.9.2 as a secondary
> (slave) dns server. We saw there is a lot of files starting with “db-“
> under /var/named directory and updating continuously. does anybody know
> what it is?
Really for bind-users and not dns-operations...
But in response, those files are cached copies of the slave zones you are
serving. Bind will transfer and keep a copy of these zones to enable bind
to serve the data immediately on a restart, otherwise it would have to
perform a zone transfer on start-up and if the master is no longer
available then bind wouldn't be able to serve the zone.
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