Zone transfer is happening intermittently between slave and master bind
Matus UHLAR - fantomas
uhlar at fantomas.sk
Wed Mar 17 08:53:14 UTC 2021
On 17.03.21 07:59, Prasanna Mathivanan (pmathiva) via bind-users wrote:
>I have a weird DNS issue where zone transfer between slave and master is
> happening intermittently or even if it happens it just says 0 records it
> got and then sometimes it gets all records.
that should be fine, there may be incremental transfer done, which only
>Transfer completed: 0 messages, 1 records, 0 bytes, 0.001 secs (0 bytes/sec) • intermittent o/p
>Transfer completed: 13 messages, 15423 records, 472336 bytes, 0.063 secs (7497396 bytes/sec) • excepted o/p which happens after two to three zone transfers with 0 messages.
>When I initiate manual zone transfer via rndc retransfer <zone> it works fine.
I guess this forces full transfer.
>Refresh interval set in zone is 4 hours but still even if it crosses this time zone transfer doesn’t work.
refresh means how often to check for updates, but transfer happens only when
there's a change.
>Is it something like if difference in serial number is big because of unsuccessful zone transfers and its taking time to catch up ?
the difference in serial number is how change is detected.
Note that new serial must be bigger than the old one.
(there are measures if it's to be wrapped around zero).
what is your real problem?
Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
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