That is interesting Tim.

Why Hyper-V if I may ask? Why not stick just with KVM?

Maish

On 19/03/15 08:22, Tim Bell wrote:

At CERN, we run KVM and Hyper-V. Both work fine.

Depending on the size of your cluster, you may have other factors to consider such as monitoring and configuration management. We use Puppet to configure both environnments.

Images are tagged with a property hypervisor_type which is used to schedule workloads to the appropriate hypervisor.

Tim

*From:*matt [mailto:m...@nycresistor.com]
*Sent:* 18 March 2015 23:24
*To:* Abel Lopez
*Cc:* openstack-operators@lists.openstack.org
*Subject:* Re: [Openstack-operators] Hypervisor decision

most openstack environments at kvm, so if you want to stick with the herd, that's the way to go.

On Wed, Mar 18, 2015 at 5:53 PM, Abel Lopez <alopg...@gmail.com <mailto:alopg...@gmail.com>> wrote:

    Interesting topic, since you're already running Hyper-v and ESX,
    I'm inferring that your workload is heavy on windows VMs.
    If you're doing majority windows, and minority linux, stick with
    hyper-v. The benchmarks I've read show that windows VMs run
    fastest on hyper-v VS all others.
    If you expect an even split, it might make sense to create Host
    Aggregates of various hypervisiors like hyper-v and KVM, and
    utilize extra-specs in the flavors and guest images to aid in
    scheduling, for example "Windows images launch on the hyper-v pool"


    > On Mar 18, 2015, at 2:41 PM, Vytenis Silgalis
    <vsilga...@outlook.com <mailto:vsilga...@outlook.com>> wrote:
    >
    > Hello,
    >
    > I'm looking to champion openstack at my company, we currently
    run both a small hyper-v cluster and 3 VMware clusters.   However
    we are not married to any specific hypervisor.  What I'm looking
    for is recommendations for which hypervisor we should look at for
    our openstack environments and the pros/con's people have run into
    with the various hypervisors supported by openstack.
    >
    >
    > Thanks,
    > Vytenis
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Best Regards, Maish Saidel-Keesing
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