@Adam Thanks.
I was actually running Virtualbox on top of Linux host. Sorry I should have mentioned that. When I started reading various docs relating to Openstack found lot of people building lab env on it. Also, it was the quickest to start with as I already had few VMs running on it. But now I understand (thanks to you for the pointers relating to various components of VBox) the setup of VBos wasn't probably the best one. ESXi was/is definitely the better choice, I understand that. But that means I'll have blow my ,unfortunately, only machine and re-install the ESXi on it. Just didn't want to do that at the start. But I like Don's idea to use KVM instead. I'm just trying to learn openstack and really just looking for a 'useable' vm instances running on it (even if it runs under Vbox/KVM/esxi). @Don, Thanks. As mentioned above, I like the idea of running openstack on KVM. I'll head in that way. Will see how it goes. One question, do I still have to use libvirt_type=qemu on compute node running under KVM? regards Maruf On Sun, Oct 19, 2014 at 6:26 AM, Don Waterloo <don.water...@gmail.com> wrote: > > > On 18 October 2014 09:25, Md. Maruful Hassan <mrf....@gmail.com> wrote: > >> Hi >> >> Apologies if this has been answered previously. >> >> 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 >> 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? >> >> Btw, virtualbox vdi files reside on SSD if this helps. >> >> thanks >> -- >> Maruf >> >> > kvm supports running nested under kvm, but not under VirtualBox. > So i think you want to run the 'host' on kvm. You are on the right track > with the libvirt_type= comment. > Your issue is that qemu is emulating the instructions. > > I normally run OpenStack in a kvm virtual machine on my Linux system and > get very good > performance. I don't believe it is possible to get good performance under > VirtuallBox tho (since > it doesn't pass the vt-x). > >
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