Re: [openstack-dev] [neutron]Does neutron-server support the main backup redundancy?

2018-03-22 Thread Sławomir Kapłoński
Hi, Neutron agents communicate with server through RPC messages. So agent don't need to know how many servers are on the other end of queue to consume messages. If You will start new neutron-server it will connect to same rabbitmq as other servers and to same db and will start processing

Re: [openstack-dev] [neutron]Does neutron-server support the main backup redundancy?

2018-03-21 Thread Frank Wang
Thanks for your response, another question is Does the compute nodes or agents know how many neutron-servers running? I mean If there was a server corrupt, they will automatically connect to other servers? Thanks, At 2018-03-21 18:14:47, "Miguel Angel Ajo Pelayo" wrote:

Re: [openstack-dev] [neutron]Does neutron-server support the main backup redundancy?

2018-03-21 Thread Miguel Angel Ajo Pelayo
You can run as many as you want, generally an haproxy is used in front of them to balance load across neutron servers. Also, keep in mind, that the db backend is a single mysql, you can also distribute that with galera. That is the configuration you will get by default when you deploy in HA with

Re: [openstack-dev] [neutron]Does neutron-server support the main backup redundancy?

2018-03-20 Thread Kevin Benton
You can run as many neutron server processes as you want in an active/active setup. On Tue, Mar 20, 2018, 18:35 Frank Wang wrote: > Hi All, > As far as I know, neutron-server only can be a single node, In order > to improve the reliability of the system, Does it