Re: [Openstack] Hosting Controller and Network Nodes as VM's?

Wed, 22 Apr 2015 21:29:18 -0700 

Tiago,

I am not sure how I missed this reply.

Thank you So much for this info.

It is VERY helpful.

Did you use a deployment tool or are these manually installed.

Thanks again

Lance


On 21/04/2015 18:57, Martinx - ジェームズ wrote:

Lance,
Currently, I'm running all nodes as VMs (everything is Ubuntu 14.04.2 - 64-bit - Minimum Installation), to test it. 


Where:

1- Physical Host with KVM - 4 physical ethernets - 32G of RAM;

1- VM with Juno Controller - 1 ethernet VirtIO - 4G;
1- VM with Juno Network - 3 ethernet VirtIO - 2G;
1- VM with Juno Compute - 2 ethernet VirtIO - 16G + KVM with Nested Virtualization, where the VM can have its own VMs without being slow); 

1- VM with Kilo Controller - 1 ethernet VirtIO - 4G;
1- VM with Kilo Network - 3 ethernet VirtIO - 2G;
1- VM with Kilo Compute - 2 ethernet VirtIO -16G + KVM with Nested Virtualization, where the VM can have its own VMs without being slow);
NOTE: Both the Host and Kilo VMs, have the same "Ubuntu Cloud Archive" enabled (`add-apt-repository cloud-archive:kilo`). So, I can get the latest libvirt + QEmu for the Host itself. And Juno VMs have `add-apt-repository cloud-archive:juno` archive.
For a production environment, I'm sure you can have at least, the Controller as a VM. While the Network node will be a bit slow as a VM, but it works.
Also, I have enabled at the Host and at the Compute Nodes, KSM and VHOST_NET at /etc/default/qemu-kvm config file. So I can share RAM memory pages between VMs (KSM) and speed up the network traffic (VHOST). 

Cheers!
Thiago
On 21 April 2015 at 12:25, Lance Haig <la...@haigmail.com <mailto:la...@haigmail.com>> wrote: 

    Thank you.

    I know that OS is available from a number of distributions.
    Which OS would be the best to use for a Juno install.

    Regards

    Lance


    On 20/04/2015 17:22, Remo Mattei wrote:

        You should be fine since nfs is one of the supported back-end.

        Remo

        Inviato da iPhone

            Il giorno 20/apr/2015, alle ore 07:55, Lance Haig
            <la...@haigmail.com <mailto:la...@haigmail.com>> ha scritto:

            Hi,

            I am in the process of planning an openstack deployment
            and was wondering if you could host the controller and
            network nodes as VM's on a KVM compute node?

            I have 2 Physical hosts and a small NFS SAN right now and
            would like to utilise the resources of both initially
            before the solution expands.

            Is this a supported solution?

            Regards

            Lance
-- Lance Haig 

            Cape Town


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