faster fail-over between multiple masters

Mark Andrews marka at
Mon Aug 29 22:04:17 UTC 2011

In message <4E5B6098.80503 at>, Klaus Darilion writes:
> Hi!
> I have 9.7.0-P1 as slave configured with two masters: M1 and M2. M2 is
> currently down.
> When M1 sends a NOTIFY to inform the salve of the new zone, bind starts
> querying for the SOA record at M2. As M2 is down, bind sends
> retransmissions and tries it several times. It takes up to 2 minutes
> until bind starts asking M1 - then the transfer of course works fine.
> The question is: can I tweak bind to fail-over to other master servers
> faster?

	try-tcp-refresh no;
> Thanks
> Klaus
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Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at

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