[nsd-users] Patch: multi-master-check

W.C.A. Wijngaards wouter at nlnetlabs.nl
Fri Aug 5 13:24:10 CEST 2016


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Hi Manabu,

On 05/08/16 08:07, manabu-s at iij.ad.jp wrote:
> Hi,
> 
> I wrote a patch to try transfer from all masters when use multi
> masters for slave zone.

Thank you for the patch!  I have incorporated it into the codebase.

Small changes I made to the patch: I removed the configure time
option.  I kept the #else part in line 286 of the patch (about 1860 in
xfrd.c) to keep non-multi-master-checks the same.

The 4.1.11 release is in RC stage, so this feature has to wait for a
later software release.

Best regards, Wouter

> 
> https://gist.github.com/mimuret/e68b57561dc76214555c0d9718e9ce4d
> 
> If master servers are not synchronise master zone, Sometime, slave
> zone not updated max serial zone.
> 
> For example: Slave:      serial 100 Master1: serial 200 Master2:
> serial 300
> 
> First time, slave tries transfer from Master1, Slave update serial
> 200, and not try Master2.
> 

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