That's really a nice stuff... Great job!
-- Diego Parrilla <http://www.stackops.com/>*CEO* *www.stackops.com <http://www.stackops.com/> | * diego.parri...@stackops.com | US: +1 (512) 646-0068 | EU: +34 91 005-2164 | skype:diegoparrilla On Thu, Dec 26, 2013 at 5:58 PM, Jay Pipes <jaypi...@gmail.com> wrote: > On 12/26/2013 07:43 AM, skywalker.n...@gmail.com wrote: > >> Hi stackers, >> I'm preparing for an OpenStack cloud in the production system. I've >> achieved HA and load balancing for most of the components to a certain >> degree. >> Finally I find it hard for Neutron to do such configuration. Are there >> any ways to run multiple l3-agents and dhcp-agents and cluster them >> together? >> > > Right, the Neutron L3 agent is the only OpenStack service that is not > stateless, and therefore you cannot use traditional load-balancing across a > set of identical nodes. > > That said, there's nothing wrong with running multiple L3 nodes, with > routers for different tenants hosted on different L3 agents. We do this > successfully in our deployment using a custom Neutron scheduler that my > colleague Alan Meadows wrote [1] and a Python script (also written by Alan) > that runs in cron looking for failures on an L3 agent and if found, moves > the routers from the failed node to a working one. [2] > > The advantage to this vs. something like pacemaker is that you spread the > L3 agent workload across many nodes -- accomplishing a sort of poor-man's > load balancing/sharding for L3 agent requests. > > Best, > -jay > > [1] https://gist.github.com/jaypipes/8135839 > [2] https://github.com/stackforge/cookbook-openstack-network/ > blob/master/files/default/neutron-ha-tool.py > > > _______________________________________________ > 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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