<div dir="ltr">@Adam <div><br></div><div>Thanks.</div><div><br></div><div>I was actually running Virtualbox on top of Linux host. Sorry I should have mentioned that. </div><div>When I started reading various docs relating to Openstack found lot of people building lab</div><div>env on it. Also, it was the quickest to start with as I already had few VMs running on it. But</div><div>now I understand (thanks to you for the pointers relating to various components of VBox) the</div><div>setup of VBos wasn't probably the best one. </div><div><br></div><div>ESXi was/is definitely the better choice, I understand that. But that means I'll have blow my </div><div>,unfortunately, only machine and re-install the ESXi on it. Just didn't want to do that at the </div><div>start. But I like Don's idea to use KVM instead. </div><div><br></div><div>I'm just trying to learn openstack and really just looking for a 'useable' vm instances running</div><div>on it (even if it runs under Vbox/KVM/esxi). </div><div><br></div><div>@Don,</div><div><br></div><div>Thanks. </div><div><br></div><div>As mentioned above, I like the idea of running openstack on KVM. I'll head in that way. Will see </div><div>how it goes. One question, do I still have to use libvirt_type=qemu on compute node running </div><div>under KVM?</div><div><br></div><div>regards</div><div>Maruf</div><div class="gmail_extra"><br clear="all"><div><br></div><div class="gmail_quote">On Sun, Oct 19, 2014 at 6:26 AM, Don Waterloo <span dir="ltr"><<a href="mailto:don.waterloo@gmail.com" target="_blank">don.waterloo@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="h5">On 18 October 2014 09:25, Md. Maruful Hassan <span dir="ltr"><<a href="mailto:mrf.mnm@gmail.com" target="_blank">mrf.mnm@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi<div><br></div><div>Apologies if this has been answered previously. </div><div><br></div><div>I have a working Openstack setup on my VM lab environment running under Virtualbox. The instances launched run very very slowly (specially CentOS, RHEL, Fedora images). I choose KVM as the hypervisor for Openstack compute node so </div><div>that means running KVM under virtualbox. However, I needed to put libvirt_type=qemu (instead of KVM) in nova.conf as virtualbox doesn't pass VT-X to guest OSs. Is the slowness caused by this? Should I choose something else like Vmware instead of Virtualbox? Any suggestion?</div><div><br></div><div>Btw, virtualbox vdi files reside on SSD if this helps.</div><div><br></div><div>thanks<br clear="all"><div>--<br>Maruf</div>
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<br></blockquote><div><br></div></div></div><div>kvm supports running nested under kvm, but not under VirtualBox.</div><div>So i think you want to run the 'host' on kvm. You are on the right track with the libvirt_type= comment.</div><div>Your issue is that qemu is emulating the instructions.</div><div><br></div><div>I normally run OpenStack in a kvm virtual machine on my Linux system and get very good</div><div>performance. I don't believe it is possible to get good performance under VirtuallBox tho (since</div><div>it doesn't pass the vt-x).</div><div><br></div></div></div></div>
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