Open Stack

+1 agree
> On Feb 11, 2015, at 22:56, Girija Sharan <girijasharansingh at gmail.com> wrote:
> 
> Hi Janki,
> 
> I am totally agree with Chen.
> It seems you are new to Openstack, and therefore I would like to suggest you that it would be better if you follow three node installation.
> For that here is a reference link : https://github.com/ChaimaGhribi/OpenStack-Icehouse-Installation/blob/master/OpenStack-Icehouse-Installation.rst <https://github.com/ChaimaGhribi/OpenStack-Icehouse-Installation/blob/master/OpenStack-Icehouse-Installation.rst>
> 
> Thanks and Regards,
> Girija Sharan Singh
> 
> On Thu, Feb 12, 2015 at 11:38 AM, Li, Chen <chen.li at intel.com <mailto:chen.li at intel.com>> wrote:
> Hi,
> 
>  
> 
> From my understanding:
> 
>  
> 
> 1.       Namespace is created by neutron-dhcp-agent.
> 
> You can run neutron-dhcp-agent anywhere you want.
> 
> It is common to run neutron-dhcp-agent on control node, but it is not a “MUST” demand.
> 
>  
> 
>         I won’t say the network “is created in Compute node ”, a network is created in neutron, it related information stored in database.
> 
>         After an instance start, it is neutron’s job to make sure the instance is working under a certain network.
> 
>         If you don’t start any instance, nothing real would happen in compute node.
> 
> 
> 2.       Basically , br-ex is used for L3.
> 
> If you don’t use floating IP, br-ex can be removed.
> 
>  
> 
> 3.       Control node is not connected to VM network, dnsmasq (DHCP server) started by dhcp-agent connect to VM network, so VM can get IP address. <>
>  
> 
> Thanks.
> 
> -chen
> 
>  
> 
> From: Janki Chhatbar [mailto:jankihchhatbar at gmail.com <mailto:jankihchhatbar at gmail.com>] 
> Sent: Thursday, February 12, 2015 1:05 PM
> To: openstack at lists.openstack.org <mailto:openstack at lists.openstack.org>
> Subject: [Openstack] Namespaces and network
> 
>  
> 
> Hi ALL
> 
> I have doubts.
> 
> I am having a 3 node architecture with Neutron.
> 
>  
> 
> 1. Whenever we create a network, it is created in Compute node and its namespace is stored in Control node. Instances will be created in compute node. Is my understanding correct?
> 
> 2. Why do we need 2 ovs bridges br-int, br-ex. Cant we have just br-int and attach physical eth to it instead of attaching it to br-ex.
> 
> 3. There are 3 types of networks namely, internal network which will carry internal data, VM network connecting VMs and external network connected to internet. My question is why is control node is connected to VM network.
> 
> 
> 
> Janki Chhatbar
> 
> M.Tech (Embedded Systems)
> 
> Nirma University
> 
> (+91) 9409239106
> 
> 
> _______________________________________________
> Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack <http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack>
> Post to     : openstack at lists.openstack.org <mailto:openstack at lists.openstack.org>
> Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack <http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack>
> 
> 
> !DSPAM:1,54dc513d81815158918759! _______________________________________________
> Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
> Post to     : openstack at lists.openstack.org
> Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
> 
> 
> !DSPAM:1,54dc513d81815158918759!

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstack.org/pipermail/openstack/attachments/20150211/3333bcaf/attachment.html>