[rhos-list] [Openstack] dns problem for instances

Xin Zhao xzhao at bnl.gov
Thu Nov 14 19:11:25 UTC 2013


Hi Terry,

Thanks for the info. I am using openstack-quantum-2013.1.3 on controller 
and compute hosts, and openstack-quantum-2013.1.4-3 on the network host.
I will try to update the rpm on the compute and controller nodes.

Thanks,
Xin

On 11/14/2013 12:36 PM, Terry Wilson wrote:
>> Hello,
>>
>> I have a multi-host grizzly RHEL6 install, using OVS. From the instance,
>> I can ping external ips, but DNS resolv doesn't work, it only works for
>> other instances on the VM network.
>> If I do subnet-update to add public DNS server ips to the vm network,
>> DNS resolv works for external hosts, but stops working for other
>> instances on the same VM network.
>> Do I miss some configuration here?
>>
>> Thanks,
>> Xin
> Which version of quantum are you using? In version 2013.1.4, a bug was fixed for adding a default route in the namespace in which the dnsmasq agent runs so that external DNS requests could be handled. See: https://bugs.launchpad.net/neutron/+bug/1181378 for more details.
>
> Terry




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