Hey Sascha, I usually refer to that same link from my first post, it's a sample configuration with all of the config options for nova.conf.
Dave On Fri, Jan 24, 2014 at 8:53 AM, Sascha Vogt <[email protected]> wrote: > Hi David, > > thanks alot, that was it :) > > I find it very hard, to get a list of all supported options in nova.conf > (and the other confs as well) and what they mean. Is there an easy > overview of all of them??? > > Greetings > -Sascha- > > Am 24.01.2014 15:47, schrieb David Wittman: > > It sounds like you may have `share_dhcp_address` set to True in your > > nova.conf: > > > > > https://github.com/openstack/nova/blob/master/etc/nova/nova.conf.sample#L1231-L1235 > > > > Dave > > > > > > On Fri, Jan 24, 2014 at 7:22 AM, Sascha Vogt <[email protected] > > <mailto:[email protected]>> wrote: > > > > Hi all, > > > > I have a Multi-Node, Single-NIC setup. All machines only have a > single > > NIC. I created a virtual network (using gretap tunnels - aka > > layer2-over-layer3 tunnel) to connect all machines and have one > br-int > > bridge which all VMs are attached to. > > > > nova-network runs on all machines and correctly binds dnsmasq to the > > hosts bridge itself, though I noticed that each host-bridge gets the > .1 > > IP. This seems to work, because dnsmasq is configured by > nova-network to > > only answer to DHCP requests the specific instance has a MAC address > > for, though I find it a bit irritating. > > > > I try to give a picture of it: > > > > controller > > - br-int (dnsmasq with .1 address) > > - gretap tunnel to compute-1 (using the static IPs of eth0) > > - gretap tunnel to compute-2 (using the static IPs of eth0) > > - vnet1-n (instances running on this host) > > - eth0 (routes between external network and br-int, NAT / ip > > forwarding active, static IP used also for OpenStack > > managing) > > > > compute-1 > > - br-int (dnsmasq with .1 address) > > - gretap tunnel to controller (using the static IPs of eth0) > > - vnet1-n (instances running on this host) > > - eth0 (OpenStack managing) > > > > compute-2 > > - br-int (dnsmasq with .1 address) > > - gretap tunnel to controller (using the static IPs of eth0) > > - vnet1-n (instances running on this host) > > - eth0 (OpenStack managing) > > > > I'm using the FlatDHCPManager, and if you substitue eth0/the-switch > in > > this picture > > > http://www.mirantis.com/wp-content/uploads/2012/07/flat-dhcp-networking-diagrams-4.png > > with the gretap tunnels I basically have that topology. In that > picture > > the dnsmasqs/br100 have different IPs. How did they get that? ;) > > > > Greetings > > -Sascha- > >
_______________________________________________ Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack Post to : [email protected] Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
