They are probably thinking of Vmware ESXi, which is both an operating system kernel, named vmkernel, and a hypervisor.
OpenStack is not a hypervisor. It /uses /hypervisors to manage virtual machines. Furthermore, OpenStack is written in Python, so that, as a minimum, your "baremetal" would have to be able to run Python code. On 7/2/2018 11:45 PM, Jay Pipes wrote: > On 07/02/2018 09:45 AM, Houssam ElBouanani wrote: >> Hi, >> >> I have recently finished installing a minimal OpenStack Queens >> environment for a school project, and was asked whether it is >> possible to deploy an additional compute node on bare metal, aka >> without an underlying operating system, in order to eliminate the >> operating system overhead and thus to maximize performance. > > Whomever asked you about this must be confusing a *hypervisor* with an > operating system. Using baremetal means you eliminate the overhead of > the *hypervisor* (virtualization). It doesn't mean you eliminate the > operating system. You can't do much of anything with a baremetal > machine that has no operating system on it. > > Best, > -jay > > _______________________________________________ > Mailing list: > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : [email protected] > Unsubscribe : > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
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