Hi,
You will need to enable nested virtualization in your physical host.
To check if enable:
cat /sys/module/kvm_intel/parameters/nested
If the output is "N", you will need to add a file
/etc/modprobe.d/kvm_intel.conf
with the content:
options kvm-intel nested=Y
Then reboot, or reload the KVM module.
Note that the performance of the nested VMs will be impacted.
Regards,
Fred
[1]
https://www.linux-kvm.org/page/Nested_Guests
[2]
https://www.linuxtechi.com/enable-nested-virtualization-kvm-centos-7-rhel-7/
On Mon, Apr 30, 2018 at 4:02 PM, James Michels <
karma.sometimes.hurts(a)gmail.com> wrote:
Greetings.
In terms of teaching our students how to create and configure an oVirt
infrastructure, we're planning to provide each of them a VM that will act
as a Manager server, which has no issues so far. The problem is that we
don't have enough physical machines to use as virtualization servers
(VDSM), therefore we have been trying to use a CentOS7 based oVirt guest to
run as a VDSM server.
However, when trying to add it as a host, a (logical) error message shows
up saying that the VM doesn't allow virtualization.
The question is simple: Is there a way to enable virtualization on an
oVirt VM, so we can deploy them as VDSM servers?
This is oVirt 4.2.2 FWIW.
Thanks
James
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