Hi everybody, (still using nova-network in production... :) Using nova-network (icehouse), multi-host, FlatDHCPManager
Is it expectable to experience an interruption of various seconds in instances' floating IP reachability when nova-network is restarted and repopulates iptables' NAT output/prerouting/float-snat tables? (IP packets are not delivered to VMs until iptables forwarding rules are setup) We don't restart nova-network often, but we have certain cases when we need(ed) to: * nova-network not reconnecting to RabbitMQ (latest oslo messaging patch mitigates this) * configuration changes in nova.conf from time to time * sanitary periodic (weekly or monthly) restarts to prevent poorly understood problems of the past (resource leaks?); will stop doing this due to NAT downtime Thanks!
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