We are running grizzly-based, RedHat RDO. --Tavasti
On 10/09/2013 04:50 PM, Gary Kotton wrote:
Hi, Which version are you using? Thanks Gary On 10/9/13 4:34 PM, "Markku Tavasti" <markku.tava...@cybercom.com> wrote:I found out that quantum dhcp agent gets out of sync when many instances are launched or deleted same time. As a result, dnsmasq host-file have lines missing (all launched are not added), or some lines aren't removed when they should. When same ip is re-used, remaining extra lines aren't removed, but same ip has two lines, and dhcp discoveries get no response (no address available error on dnsmasq logs). Restarting quantum-dhcp-agent will get everything back to proper state, but running restart on cron every minute does not sound proper fix :-( On my test, creating 16 instances, 2-3 of them did not get line in host-file. When removing all those 16, 3-5 false lines were left behind. On instance creation I see following message on quantum-server.log: For every instance: WARNING [quantum.db.agentschedulers_db] Fail scheduling network {'status': u'ACTIVE', 'subnets': [u'e9299278-bd49-4dc8-8df1-25b034f3ecea'], 'name': u'pk_tunk2', 'provider:physical_network': u'vlans-osprv', 'admin_state_up': True, 'tenant_id': u'06b9c423e10741ef83877b56d7608d7f', 'provider:network_type': u'vlan', 'router:external': False, 'shared': False, 'id': u'cbce52ef-58ba-4f3c-96fb-9d51bdbf32fb', 'provider:segmentation_id': 427L} However, network ports get created, and seems to work? And most likely related to missing lines on host file on creation: WARNING [quantum.scheduler.dhcp_agent_scheduler] No active DHCP agents For termination of instances there is no warning or error messages. Any ideas for fixing the situation? --Tavasti _______________________________________________ Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack Post to : openstack@lists.openstack.org Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
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