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Re: Networking issues for openstack on XCP

 

Yan,

In my opinion, if you are going to spend all the time learning a new product -- i.e. nova network vs quantum. And if you are only testing a concept, I would spend it upon Folsom and move from Essex and/or nova network and nova storage. Quantum eases many of the issues Nova network has or had, but quantum is the system for support and deployment going forward.... just my 2 cents...

Robert



On 11/17/12 12:33 AM, Yan Zhai wrote:
Hi,

I am trying a proof of concept install of openstack on xen cloud platform. However, I am a little confused about the network part in Folsom.
 My architecture:
1 Controller node: no Xen, only Ubuntu 12.04, everything for openstack service except for nova-compute 2 Compute node: XCP 1.6 beta, with nova-compute in special domU (Ubuntu 12.04), xenapi plugin installed in dom0 already each node has two NIC, one with public IP (Only limited floating IP), and another in private network (Any IP is OK)

   My goal for network:
flat network or flat dhcp network. I want to use eth0 for public traffic and service request, and eth1 for inter-vm traffic.

   My questions:
1.) does each domU need nova-network running? My understanding is it's OK to run nova-network individually, but then how to mange the floating IP globally? 2.) in document for flatdhcp network, I saw four interfaces for each management domU. Is it OK to have only two interfaces? Say, eth0-xenbr0 for public IP and services, and eth1-xenbr1 for VM network? 3.) Is the network isolation rules a must for test install? I found the patch to vif is still for xenserver 5.6_p2, and can not be applied to vif of xcp 1.6 or xenserver 6.1, which might be a trouble.

If anyone could help me kindly, it will be quite appreciated, I have been stuck with install document for several days.

thanks a lot!
- Yan



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