On 06/26/2018 05:57 PM, Vasiliy Tolstov wrote:
вт, 26 июн. 2018 г. в 23:24, Mark Michelson <mmich...@redhat.com>:
On 06/19/2018 08:42 AM, Vasiliy Tolstov wrote:
Hi! I'm try to run ovn in fedora 28.
I have 3 hosts:
gateway=controler 172.16.1.254
compute1 172.16.1.1
compute2 172.16.1.2
What services i need to enable on compute and on controller?
On the controller, you should start the ovn-northd service in systemd:
`systemctl start ovn-northd`
If there are VMs on your controller node that you want to connect to the
overlay network, then you would also need to run the openvswitch and
ovn-controller services:
`systemctl start openvswitch`
`systemctl start ovn-controller`
Thanks, already do that.
On the compute nodes, you will want to start the openvswitch and
ovn-controller services.
`systemctl start openvswitch`
`systemctl start ovn-controller`
Yes, already have this.
Also as i found, i need to enable listening ovn-northd on 172.16.1.254
and connect to it other nodes via port 6641 and 6642. How can i do
that in fedora?
This is done the same way in Fedora as in other distributions. On your
controller, you can set up a basic TCP listener on those ports by running:
ovn-nbctl set-connection ptcp:6641
ovn-sbctl set-connection ptcp:6642
Thanks!
(I recommend using SSL. You can learn more about this topic in the
ovn-nbctl and ovn-nb manpages)
On your compute nodes, you can point those to your controller's port
6642, by running
ovs-vsctl set open_vswitch . external_ids:ovn-remote=<controller_ip>:6642
On this i have qeustion, i found in google that i need also specify
external_ids:ovn-nb="tcp:$CENTRAL_IP:6641"
external_ids:ovn-encap-type="geneve,vxlan"
Does i need this is all compute nodes?
You will need external_ids:ovn-encap-type, but you don't need
external_ids:ovn-nb. I don't know what external_ids:ovn-nb does.
Also if my controller node have vm that i want to connect to internal
ovn network what services i need to run additional on controller node
and does it possible?
This is a pretty broad topic, but I suggest that you look at the
following areas:
* On logical switches, look up "localnet" ports.
* Look into the Gateway_Chassis table in the OVN northbound database,
and how to set these up on logical router ports.
You can get more information in the ovn-nb manpage for both of these
topics.
Thanks for all answers!
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