To install VDSM hook, I followed these instructions: http://community.redhat.com/blog/2013/08/testing-ovirt-3-3-with-nested-kvm/ Is this a proper way to do it? On 2017-05-30 09:54, Martin Polednik wrote:
On 30/05/17 09:42 -0400, ovirt@fateknollogee.com wrote:
Host: CentOS-7_v1611 (or Fedora 25 -my personal fav) VMs: oVirt nodes v4.1.2
To setup nested KVM, I follow these instructions(https://pve.proxmox.com/wiki/Nested_Virtualization)
to check if is enabled do ("kvm_intel" for intel cpu, "kvm_amd" for AMD) -root@proxmox:~# cat /sys/module/kvm_intel/parameters/nested N (N means it's not, to enable ("kvm-intel" for intel, "kvm-amd" for AMD):)
# echo "options kvm-intel nested=Y" > /etc/modprobe.d/kvm-intel.conf and reboot or reload the kernel modul
modprobe -r kvm_intel modprobe kvm_intel check again
-root@proxmox:~# cat /sys/module/kvm_intel/parameters/nested Y
Question: what other settings need to be enabled in the guest vm?
You need the VDSM hook (on the hypervisor) that sets up vmx feature flag and use host passthrough mode for CPU.
https://github.com/oVirt/vdsm/tree/master/vdsm_hooks/nestedvt
See "test nested virt" at https://fedoraproject.org/wiki/How_to_enable_nested_virtualization_in_KVM Do we need this setting in the vm?
You don't need to setup anything in the VM.
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