openstack team mailing list archive

[Diego Parrilla Santamaría <diego.parrilla.santamaria@xxxxxxxxx>]

Thank you for your nice words!

Dual configuration is the most common configuration we use: you only need
to be cautious about how to configure the different networks. Just some
hints:

1) Leave the management network as simple as possible.
2) The service network (the one that connects all the virtual machines and
nova-network) needs a dedicated NIC (or virtual NIC if you are deploying in
a virtual lab with VMware for example) and must be connected to the same
group of ports, all with a single VLAN statically assigned to these ports.
It's important that nova-network and the virtual machines can see each
other.
3) The public network (the one you will use for the floating IPs) cannot be
shared with the service network at all. It can be shared with the
management network, but normally you can't do real stuff. A good solution
is to have a dedicated NIC connected to internet and configured with a
public CIDR, or if you are in a corporate environment connect it to the
corporate network. Probably you will have to statically assign the port of
the switch to the VLAN of the corporate network.

To be honest, most of the complains about the distro has to do with
networking, and we can't do a lot about it. We normally try to explain that
the single node deployment is like installing a MySQL server for
development in 10 minutes -everybody can do it-, but configuring a MySQL
server for production highly available is hard. Dual and Multi node
deployments can be like deploying the production-ready MySQL: it's not a
10' tasks :-(

Regards
Diego

-- 
Diego Parrilla
<http://www.stackops.com/>*CEO*
*www.stackops.com | * diego.parrilla@xxxxxxxxxxxx** | +34 649 94 43 29 |
skype:diegoparrilla*
* <http://www.stackops.com/>
*

*

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2011/12/16 Alexandre Parenteau <aubonbeurre@xxxxxxxxx>

> Diego,
>
> Just one word: fantastic!
>
> I could install, configure, launch my first VM while sipping a coffee!
>
> I can't wait to try the dial-nodes, do I need only a second switch?
>
> Thanks so much for stackops, and thanks all for your quick answers!
>
> alex
>
>
> 2011/12/16 Diego Parrilla Santamaría <diego.parrilla.santamaria@xxxxxxxxx>
>
>> Hi Alexandre,
>>
>> you can build a simple SingleNode in Flat Network mode with our StackOps
>> Distro: http://www.stackops.org
>>
>> Once you have installed and configured the Single Node, then you can go
>> to /etc/nova/nova-controller.conf and you can find the configuration
>> details.
>>
>> If you feel brave enough to try a multi node deployment, then the
>> Stackops Distro will create a specific nova-network configuration file in
>> /etc/nova/nova-network.conf
>>
>> Don't forget that starting from Diablo some network configuration stuff
>> must be performed directly with nova-manage command.
>>
>> Enjoy!
>> Diego
>>
>> --
>> Diego Parrilla
>> <http://www.stackops.com/>*CEO*
>> *www.stackops.com | * diego.parrilla@xxxxxxxxxxxx** | +34 649 94 43 29 |
>> skype:diegoparrilla*
>> * <http://www.stackops.com/>
>> *
>>
>> *
>>
>> ******************** ADVERTENCIA LEGAL ********************
>> Le informamos, como destinatario de este mensaje, que el correo
>> electrónico y las comunicaciones por medio de Internet no permiten asegurar
>> ni garantizar la confidencialidad de los mensajes transmitidos, así como
>> tampoco su integridad o su correcta recepción, por lo que STACKOPS
>> TECHNOLOGIES S.L. no asume responsabilidad alguna por tales circunstancias.
>> Si no consintiese en la utilización del correo electrónico o de las
>> comunicaciones vía Internet le rogamos nos lo comunique y ponga en nuestro
>> conocimiento de manera inmediata. Este mensaje va dirigido, de manera
>> exclusiva, a su destinatario y contiene información confidencial y sujeta
>> al secreto profesional, cuya divulgación no está permitida por la ley. En
>> caso de haber recibido este mensaje por error, le rogamos que, de forma
>> inmediata, nos lo comunique mediante correo electrónico remitido a nuestra
>> atención y proceda a su eliminación, así como a la de cualquier documento
>> adjunto al mismo. Asimismo, le comunicamos que la distribución, copia o
>> utilización de este mensaje, o de cualquier documento adjunto al mismo,
>> cualquiera que fuera su finalidad, están prohibidas por la ley.
>>
>> ***************** PRIVILEGED AND CONFIDENTIAL ****************
>> We hereby inform you, as addressee of this message, that e-mail and
>> Internet do not guarantee the confidentiality, nor the completeness or
>> proper reception of the messages sent and, thus, STACKOPS TECHNOLOGIES S.L.
>> does not assume any liability for those circumstances. Should you not agree
>> to the use of e-mail or to communications via Internet, you are kindly
>> requested to notify us immediately. This message is intended exclusively
>> for the person to whom it is addressed and contains privileged and
>> confidential information protected from disclosure by law. If you are not
>> the addressee indicated in this message, you should immediately delete it
>> and any attachments and notify the sender by reply e-mail. In such case,
>> you are hereby notified that any dissemination, distribution, copying or
>> use of this message or any attachments, for any purpose, is strictly
>> prohibited by law.
>>
>>
>>
>>
>> On Fri, Dec 16, 2011 at 8:21 AM, Alexandre Parenteau <
>> aubonbeurre@xxxxxxxxx> wrote:
>>
>>> Hi,
>>>
>>> For my company, I'd like to set-up a nova-compute All-In-One node, to
>>> replace a eucalyptus cluster which is showing age.
>>>
>>> Unfortunately I'm not well versed in networking, and have trouble
>>> grasping the difference between the multiple network managers, but I
>>> think I would need a Flat mode in my case.
>>>
>>> I have a simple question: could someone please provide a functional
>>> euca.conf, that is using only one NIC, and the relative
>>> /etc/network/interfaces, for Ubuntu 11.10/Diablo?
>>>
>>> Help much appreciated!
>>>
>>> alex
>>>
>>> p.s.: as a side node, I tried everywhere  the web for an explanation
>>> of how 'nova-manage network' relates to the flags passed inside
>>> nova.conf.
>>>
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>>
>>
>