http://wiki.define-technology.com/mediawiki-1.35.0/index.php?action=history&feed=atom&title=VScaler%3A_Setting_Nested_Virtualisation_KVM 2026-05-04T20:11:46Z Revision history for this page on the wiki MediaWiki 1.35.0 http://wiki.define-technology.com/mediawiki-1.35.0/index.php?title=VScaler:_Setting_Nested_Virtualisation_KVM&diff=24514&oldid=prev 2017-10-12T14:42:05Z

<p>Created page with &quot; Setup the KVM Module to allow nested VMs: &lt;syntaxhighlight&gt; [root@house-vscaler nova]# echo &quot;options kvm-intel nested=y&quot; &gt;&gt; /etc/modprobe.d/dist.conf [root@house-vscaler nova]# cat /e...&quot;</p> <p><b>New page</b></p><div><br /> Setup the KVM Module to allow nested VMs:<br /> &lt;syntaxhighlight&gt; <br /> [root@house-vscaler nova]# echo &quot;options kvm-intel nested=y&quot; &gt;&gt; /etc/modprobe.d/dist.conf <br /> [root@house-vscaler nova]# cat /etc/modprobe.d/dist.conf <br /> options kvm-intel nested=y<br /> [root@house-vscaler nova]# scp /etc/modprobe.d/dist.conf node01:/etc/modprobe.d/<br /> dist.conf 100% 27 0.0KB/s 00:00 <br /> [root@house-vscaler nova]# scp /etc/modprobe.d/dist.conf node02:/etc/modprobe.d/<br /> dist.conf 100% 27 0.0KB/s 00:00 <br /> [root@house-vscaler nova]# scp /etc/modprobe.d/dist.conf node03:/etc/modprobe.d/<br /> dist.conf 100% 27 0.0KB/s 00:00 <br /> [root@house-vscaler nova]# <br /> &lt;/syntaxhighlight&gt;<br /> <br /> Then REPEAT on each node (or reboot)<br /> &lt;syntaxhighlight&gt;<br /> [root@node02 ~]# cat /sys/module/kvm_intel/parameters/nested<br /> N<br /> [root@node02 ~]# modprobe kvm <br /> [root@node02 ~]# modprobe kvm_intel <br /> [root@node02 ~]# cat /sys/module/kvm_intel/parameters/nested<br /> Y<br /> &lt;/syntaxhighlight&gt;<br /> <br /> Setup the kolla environment for nova.conf <br /> <br /> &lt;syntaxhighlight&gt;<br /> [root@house-vscaler ~]# cat /etc/kolla/config/nova/nova.conf <br /> [libvirt]<br /> virt_type=kvm<br /> cpu_mode=host-passthrough<br /> &lt;/syntaxhighlight&gt;<br /> <br /> Reconfigure OpenStack (using Kolla reconfigure) <br /> &lt;syntaxhighlight&gt;<br /> [root@house-vscaler ~]# source /etc/kolla/admin-openrc.sh <br /> [root@house-vscaler ~]# kolla-ansible -i vscaler/multinode reconfigure<br /> <br /> You should end up with this: (fail should be=0 everywhere) <br /> <br /> PLAY RECAP **************************************************************************************************************************************************************************************<br /> node01 : ok=240 changed=2 unreachable=0 failed=0 <br /> node02 : ok=48 changed=0 unreachable=0 failed=0 <br /> node03 : ok=48 changed=0 unreachable=0 failed=0 <br /> &lt;/syntaxhighlight&gt;</div>

David