I've noticed similar behavior where dnsmasq stops working if nova-network is restarted without first killing all the dnsmasq processes. On Oct 19, 2012 10:24 AM, "Lars Kellogg-Stedman" <[email protected]> wrote:
> On Thu, Oct 18, 2012 at 06:16:07PM +0100, Ronivon Costa wrote: > > I have noticed a similar behaviour, for example when the > switch/router is > > rebooted. I am able to recover the communications with the VMs > restarting > > nova network (no need to kill dnsmasq). > > There are no network devices being rebooted here...and since we're > running in multi_host mode, both dnsmasq and the affected instances > are running *on the same physical system*. > > It happened again last night -- which means we were without networking > on our instances for about seven hours -- and restarting nova-network > doesn't resolve the problem. It is necessary to first kill dnsmasq > (and allow nova-network to restart it). > > There are no errors being logged by dnsmasq; started just after 2AM, > all of the "DHCPREQUEST ..." traffic just stops, and the logs after > that point look like this: > > Oct 19 02:02:34 stack-1 dnsmasq[32013]: read /etc/hosts - 2 addresses > Oct 19 02:02:34 stack-1 dnsmasq[32013]: read > /var/lib/nova/networks/nova-br662.conf > Oct 19 02:02:35 stack-1 dnsmasq[32013]: read /etc/hosts - 2 addresses > Oct 19 02:02:35 stack-1 dnsmasq[32013]: read > /var/lib/nova/networks/nova-br662.conf > Oct 19 02:03:12 stack-1 dnsmasq[32013]: read /etc/hosts - 2 addresses > Oct 19 02:03:12 stack-1 dnsmasq[32013]: read > /var/lib/nova/networks/nova-br662.conf > > ...until I restart things. > > -- > Lars Kellogg-Stedman <[email protected]> | > Senior Technologist | > http://ac.seas.harvard.edu/ > Academic Computing | > http://code.seas.harvard.edu/ > Harvard School of Engineering | > and Applied Sciences | > > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : [email protected] > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp >
_______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : [email protected] Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp
