[openstack-dev] guest instance and L2 based network failover

2013-11-11 Thread John Gruber
I found other posts which deal with the HA topic in general, but I did not find one that strictly discussed the specifics or guidance on guest instance network failover mechanisms. I'm currently developing against neutron Grizzly using the OVS plugin with VLANs and GRE tunnelling. Flooding is wo

[openstack-dev] Fwd: Problem with nova add-fixed-ip or quantum port-update

2013-07-27 Thread John Gruber
Forwarding to -dev from -operators. Any know why when a fixed-ip gets added to an external network guest port, all connectivity on all fixedips for the guest on the external network get block outbound on the compute node? John -- Forwarded message -- From: John Gruber Date: Fri

Re: [openstack-dev] Problem with nova add-fixed-ip or quantum port-update

2013-07-27 Thread John Gruber
So I got it work, but I need guidance from the OVS iptables gang on what the reasoning was and how I fix it in a 'compliant' manner. Q. Why are the iptables rules on the OVS output chains for the interfaces written as if the vif should only have ONE IP address assign where quantum can assign mult