Intermittent "failure trying master... operation canceled" on zone refresh
matt at conundrum.com
Fri May 18 18:08:59 UTC 2018
On 17 May 2018 at 17:05, Rob Moser <Rob.Moser at nau.edu> wrote:
> We're running a series of RHEL 7.4 machines (kernel version
> 3.10.0-693.1.1.el7.x86_64) running bind version 9.9.4-RedHat-9.9.4-51.el7.
> Our configuration consists of a hidden master and three hidden
> slave/recursive resolvers. I'm getting a LOT of errors on the slaves that
> look like:
> 17-May-2018 13:27:28.421 general: info: zone 34.22.10.in-addr.arpa/IN/internal-view:
> refresh: failure trying master 10.20.30.3#53 (source 0.0.0.0#0): operation
> In addition to checking for firewalls and other stateful network devices
as Tony mentions, you should also have a look at the condition of the
network in between the hosts. That feels a lot like moderate packet loss,
or extreme latency, to me.
Are these machines all on the same LAN? Are there multiple networks in
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