<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 27 Dec 2017, at 13:06, Martin Sivak <<a href="mailto:msivak@redhat.com" class="">msivak@redhat.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="">Hi,<br class=""><br class="">it might be a good idea to install vdsm-hooks-nestedvt and<br class="">vdsm-hook-macspoof on the host as described for example here:<br class=""><a href="https://community.redhat.com/blog/2013/08/testing-ovirt-3-3-with-nested-kvm/" class="">https://community.redhat.com/blog/2013/08/testing-ovirt-3-3-with-nested-kvm/</a><br class=""><br class="">Those two hooks will configure the kvm module properly and allow<br class="">dhcp/pxe to be used from within the nested VM.<br class=""></div></div></blockquote><div><br class=""></div><div>Yes. Though it’s likely not going to work out of the box anyway due to older kernel.</div>See a guide from Ladi[1], there was also a presentation about nested hyper-v on KVMForum 2017 </div><div><br class=""></div><div>Thanks,</div><div>michal</div><div><br class=""></div><div>[1] <a href="https://ladipro.wordpress.com/2017/02/24/running-hyperv-in-kvm-guest/" class="">https://ladipro.wordpress.com/2017/02/24/running-hyperv-in-kvm-guest/</a></div><div><br class=""><blockquote type="cite" class=""><div class=""><div class=""><br class="">Best regards<br class=""><br class="">--<br class="">Martin Sivak<br class="">SLA / oVirt<br class=""><br class="">On Wed, Dec 27, 2017 at 9:05 AM, Michal Skrivanek<br class=""><<a href="mailto:michal.skrivanek@redhat.com" class="">michal.skrivanek@redhat.com</a>> wrote:<br class=""><blockquote type="cite" class=""><br class=""><br class="">On 25 Dec 2017, at 13:03, Roman Drovalev <<a href="mailto:drovalev@miac.kaluga.ru" class="">drovalev@miac.kaluga.ru</a>> wrote:<br class=""><br class=""><blockquote type="cite" class="">I'm not sure I understand the layering - hyper-V on oVirt or vice-versa?<br class=""></blockquote><br class="">the layering: oVirt host -> Hyper-V_VM on oVirt -> VM on Hyper-V_VM<br class=""><br class="">CentOS based on linux kernel. I manual modified linux kernel parametrs.<br class=""><br class=""><br class="">if you modified the kernel parameters already (which you did, as seen in<br class="">screen shot your cmdline does have nested virt param) then there’s nothing<br class="">else to do in the GUI, your host should support nested virtualization.<br class="">I’m not sure why do you need SR-IOV but that’s not going to work on top of<br class="">hyperv<br class=""><br class=""><br class="">oVirt-engine based on oVirt API. How to manually change the parameters of<br class="">ovirt-engine through API?<br class=""><br class=""><blockquote type="cite" class="">In any case, I assume an additional host is needed, the host hosting the<br class="">Hosted-Engine VM cannot be changed with those parameters when the HE is up.<br class="">Y.<br class=""></blockquote><br class="">It's impossible, the second host is now - Hyper-V with working VM's.<br class=""><br class="">25.12.2017 12:19, Yaniv Kaul<br class=""><br class=""><br class=""><br class="">On Mon, Dec 25, 2017 at 10:14 AM, Roman Drovalev <<a href="mailto:drovalev@miac.kaluga.ru" class="">drovalev@miac.kaluga.ru</a>><br class="">wrote:<br class=""><blockquote type="cite" class=""><br class="">Thanks for the quick response.<br class=""><br class=""><blockquote type="cite" class="">You probably need an additional host.<br class=""></blockquote><br class="">I'm migrating from Hyper-V at the moment there is no way to add a second<br class="">host.<br class=""><br class=""><br class="">25.12.2017 10:43, Yaniv Kaul пишет:<br class=""><blockquote type="cite" class="">What are you trying to achieve?<br class=""></blockquote><br class="">"Nested Virtualization" . I need run on Hyper-V one VM on the my oVirt<br class=""></blockquote><br class=""><br class="">I'm not sure I understand the layering - hyper-V on oVirt or vice-versa?<br class="">In any case, I assume an additional host is needed, the host hosting the<br class="">Hosted-Engine VM cannot be changed with those parameters when the HE is up.<br class="">Y.<br class=""><br class=""><blockquote type="cite" class=""><br class=""><br class=""><br class=""><br class="">_______________________________________________<br class="">Users mailing list<br class=""><a href="mailto:Users@ovirt.org" class="">Users@ovirt.org</a><br class="">http://lists.ovirt.org/mailman/listinfo/users<br class=""></blockquote><br class=""><br class=""><br class="">--<br class="">С уважением, Дровалев Роман<br class="">инженер ГБУЗ "МИАЦ",<br class="">Калужской области.<br class="">тел. 4842 705 004<br class=""><br class="">_______________________________________________<br class="">Users mailing list<br class=""><a href="mailto:Users@ovirt.org" class="">Users@ovirt.org</a><br class="">http://lists.ovirt.org/mailman/listinfo/users<br class=""><br class=""><br class=""><br class="">_______________________________________________<br class="">Users mailing list<br class="">Users@ovirt.org<br class="">http://lists.ovirt.org/mailman/listinfo/users<br class=""><br class=""></blockquote></div></div></blockquote></div><br class=""></body></html>