Hi George, All instances have only a single interface.
Thanks, Joe On Tue, Jan 27, 2015 at 1:38 PM, George Shuklin <[email protected]> wrote: > How many network interfaces have your instance? If more than one - check > settings for second network (subnet). It can have own dhcp settings which > may mess up with routes for the main network. > > > On 01/27/2015 06:08 PM, Joe Topjian wrote: > > Hello, > > I have run into two different OpenStack clouds where instances running > either RHEL 7 or CentOS 7 images are randomly losing their network gateway. > > There's nothing in the logs that show any indication of why. There's no > DHCP hiccup or anything like that. The gateway has just disappeared. > > If I log into the instance via another instance (so on the same subnet > since there's no gateway), I can manually re-add the gateway and everything > works... until it loses it again. > > One cloud is running Havana and the other is running Icehouse. Both are > using nova-network and both are Ubuntu 12.04. > > On the Havana cloud, we decided to install the dnsmasq package from > Ubuntu 14.04. This looks to have resolved the issue as this was back in > November and I haven't heard an update since. > > However, we don't want to do that just yet on the Icehouse cloud. We'd > like to understand exactly why this is happening and why updating dnsmasq > resolves an issue that only one specific type of image is having. > > I can make my way around CentOS, but I'm not as familiar with it as I am > with Ubuntu (especially CentOS 7). Does anyone know what change in > RHEL7/CentOS7 might be causing this? Or does anyone have any other ideas on > how to troubleshoot the issue? > > I currently have access to two instances in this state, so I'd be happy > to act as remote hands and eyes. :) > > Thanks, > Joe > > > _______________________________________________ > OpenStack-operators mailing > [email protected]http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators > > > > _______________________________________________ > OpenStack-operators mailing list > [email protected] > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators > >
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