KVM : Nested KVM2023/04/26 |
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Configure Nested KVM. It's possible to install KVM Hypervisor and Create virtual machines as nested KVM on KVM host.
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| [1] | Enable Nested KVM setting. (enabled by default) |
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[root@dlp ~]#
vi /etc/modprobe.d/kvm.conf # uncomment either of the line # for Intel CPU, select [kvm_intel] # for AMD CPU, select [kvm_amd] options kvm_intel nested=1 #options kvm_amd nested=1 # unload [root@dlp ~]# modprobe -r kvm_intel
# reload [root@dlp ~]# modprobe kvm_intel
cat /sys/module/kvm_intel/parameters/nested Y # just enabled |
| [2] | Edit the configuration of a virtual machine you'd like to set nested like follows. It's OK to configure nested KVM and you can create virtual machines on the virtual machine nested. ( for details of CPU mode ⇒ libvirt.org/formatdomain.html#elementsCPU ) |
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# edit the settings of a VM [fedora38] [root@dlp ~]# virsh edit fedora38 # specify [host-passthrough] or [host-model] for [cpu mode] section # on Fedora 38, [host-passthrough] is set by default <cpu mode=' host-passthrough ' check='none' migratable='on'/>
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