does openstack require hypervisor

asked 2017-03-06 09:49:54 -0500

RickJ gravatar image

As i understand it, openstack sits on top of the hypervisor and manages VMs. Does that mean it requires a hypervisor to run? Or can it be installed on a physical machine without hypervisor?

As a follow up question, I was trying to install rhel/openstack on a server machine but it did not detect storage device. I was told that it is a esxi server, so it doesn't have storage? Without storage I can't install rhel, so how would I install openstack on top of a hypervisor?

I did manage to install openstack on top of a VM started in vSphere. But from openstack point of view, it only sits on top of a regular machine without hypervisor? Im kind of confused on how the general idea works.

Thank you for your time.

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OpenStack does need a hypervisor, e.g. KVM, Xen or Hyper-V, to manage virtual machines. See also

The various installation methods usually include a hypervisor like KVM or allow you to choose.

How did you install your cloud?

Bernd Bausch gravatar imageBernd Bausch ( 2017-03-06 16:09:45 -0500 )edit

After installing rhel on a VM in VCenter, I ran the packstack installation here: ( I looked in the answer file from packstack and there are a few mentions of hypervisors in there, so I guess it uses the same hypervisor from the vm it is installed on.

RickJ gravatar imageRickJ ( 2017-03-07 08:38:41 -0500 )edit

I run Packstack on VirtualBox VMs, but OpenStack doesn't support this hypervisor. You can also run Packstack on a physical server. Which hypervisor is it supposed to use then? By default, it deploys KVM, and packstack --help should tell you what else is supported and how to deploy it.

Bernd Bausch gravatar imageBernd Bausch ( 2017-03-07 09:30:40 -0500 )edit