Open Stack

 No! Just a controller and a compute node!

 G.

 On Sun, 12 Jan 2014 15:12:56 -0800, Remo Mattei wrote:
> Do you have a network node?
> This is important not sure since I did not read all the emails so
> sorry if this has been already asked.
>
> Remo
>
> Inviato da iPhone ()
>
>> Il giorno Jan 12, 2014, alle ore 14:54, Georgios Dimitrakakis 
>> <giorgis at acmac.uoc.gr> ha scritto:
>>
>>
>> Thank you all for your suggestions!
>>
>> I was (and still am) confused since the manual says that the 
>> nova-network create command should be run on the controller node. That 
>> is obviously failing because no br100 is defined. So do I have to put 
>> br100 on the controller as well or should I just create the network on 
>> the compute node?
>> What are the differences in these setups?
>>
>> Best,
>>
>> G.
>>
>>> On Thu, 09 Jan 2014 10:05:54 -0600, Dimitri Maziuk wrote:
>>>> On 1/9/2014 4:11 AM, Georgios Dimitrakakis wrote:
>>>> Hello again!
>>>>
>>>> No the br100 was not created automatically unfortunately! There is 
>>>> also
>>>> this bug report: 
>>>> https://bugs.launchpad.net/openstack-manuals/+bug/1241331
>>>
>>> I'm not 100% sure but I think in my case it did get created
>>> automatically when I tried to fire up the cirros instance the 2nd 
>>> time
>>> around... However, I may have created the bridge manually at some
>>> point while fighting with it, I forget.
>>>
>>> 
>>> https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/5/html/Virtualization/sect-Virtualization-Network_Configuration-Bridged_networking_with_libvirt.html
>>>
>>> (from "disable network manager" down to "restart networking or 
>>> reboot")
>>>
>>> Also check that vhost_net module is loaded (lsmod).
>>>
>>>> Since it wasn't created automatically I am asking if it has to be 
>>>> on
>>>> both nodes (controller + compute) in order for the network to work
>>>> correctly? Furthermore, I would like to know how should it be 
>>>> bridged in
>>>> order to achieve floating (public) IPs?
>>>
>>> Compute only: this is the interface VMs use to talk to the world.
>>> Floating IPs are a separate story really -- but if I uderstand the
>>> question correctly, your br100 should be bridged to the subnet 
>>> where
>>> your floating IPs are.
>>>
>>> I.e. if your eth0 is on 1.2.3.0/24 and your eth1 is on 10.0.0.0/24,
>>> and you want floating IPs in 1.2.3.0/24 range, then you want to 
>>> bridge
>>> br100 to eth0.
>>>
>>> Dima
>>>
>>>
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>>
>> --
>>
>>
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