[Openstack] Improving Xen support in the libvirt driver

Hi, I've been tinkering with improving Xen support in the libvirt driver and wanted to discuss a few issues before submitting patches. Even the latest upstream release of Xen (4.1.x) contains a rather old qemu, version 0.10.2, which rejects qcow2 images with cluster size > 64K. The libvirt drive

Re: [Openstack] Improving Xen support in the libvirt driver

Vishvananda Ishaya wrote: > > On May 10, 2012, at 1:56 AM, Daniel P. Berrange wrote: > >> On Thu, May 10, 2012 at 09:06:58AM +0100, Daniel P. Berrange wrote: >> >> I had a quick chat with Kevin Wolf who's the upstream QEMU qcow2 >> maintainer >> and he said that 64k is the current recommended clust

[Openstack] [nova] RFC - filtering compute nodes in a mixed environment

ustom filter for example. Regards, Jim [1] http://openstack.markmail.org/search/?q=improve%20xen#query:improve%20xen+page:1+mid:knmnylknf2imnruy+state:results >From bb8777a415d5db22b83971357882261fbef092a9 Mon Sep 17 00:00:00 2001 From: Jim Fehlig Date: Mon, 25 Jun 2012 15:54:43 -0600 Subject

Re: [Openstack] HVM + Xen Hypervisor via libvirt possible?

Daniel P. Berrange wrote: > On Fri, Jun 22, 2012 at 12:17:11AM +0800, Huang Zhiteng wrote: > >> Of course it is possible. What kind of issue did you run into? >> >> On Thu, Jun 21, 2012 at 5:52 PM, Wang Li wrote: >> >>> hi,all >>> >>> I need to run virtual machines on Xen Hypervisor in HV

[Openstack] [RFC] Add more host checks to the compute filter

ff to gerrit. Regards, Jim >From bc96fdf618a2b9426f4c5db59fc087f849ac9873 Mon Sep 17 00:00:00 2001 From: Jim Fehlig Date: Mon, 25 Jun 2012 15:54:43 -0600 Subject: [PATCH] Add more host checks to the compute filter As discussed in a previous version of this patch [1], this change adds check

Re: [Openstack] Support for snapshot of LVM backend image

Boris Filippov wrote: >>> But qemu can also write the vm state outside of the backend image, which >>> should be usable with all image backends. >>> > > Use that instead managedSave? This should suffice. Save VM state, > suspend domain - do snapshot - restore VM with previous state? > Fo

Re: [Openstack] One question on the compute_filter

Jiang, Yunhong wrote: > > Hi, Joseph > > I’m working on the patch for blueprints > https://blueprints.launchpad.net/nova/+spec/update-flavor-key-value, > to add/delete the extra_specs for flavor through nova-manage. I’m > still setting up my environment to push the patch. > > > >

[Openstack] debugging a db migration script

I'm working on a patch that adds a column to the compute_nodes table in the nova db, but it seems my db migration script fails when calling 'db sync' in stack.sh. I tried running the command manually, same failure: stack@virt71:~> /opt/stack/nova/bin/nova-manage --debug -v db sync2012-07-16 21:42

Re: [Openstack] debugging a db migration script

problems once you know the errors :). Regards, Jim > > On 07/17/2012 11:59 AM, Jim Fehlig wrote: >> I'm working on a patch that adds a column to the compute_nodes table in >> the nova db, but it seems my db migration script fails when calling 'db >> sync'

Re: [Openstack] debugging a db migration script

Adam Young wrote: > On 07/16/2012 11:59 PM, Jim Fehlig wrote: >> I'm working on a patch that adds a column to the compute_nodes table in >> the nova db, but it seems my db migration script fails when calling 'db >> sync' in stack.sh. I tried running the command

Re: [Openstack] What is the most commonly used Hypervisor and toolset combination?

John Garbutt wrote: > To my knowledge, if you want to use Xen, using XCP or XenServer (i.e. using > XenAPI driver) is the way to go. If you look at the contributions to the > drivers, you can have a good guess at who is using them. > > I know people are going into production on XenAPI, not heard

Re: [Openstack] What is the most commonly used Hypervisor and toolset combination?

-bounces+boris-michel.deschenes=ubisoft@lists.launchpad.net > [mailto:openstack-bounces+boris-michel.deschenes=ubisoft@lists.launchpad.net] > De la part de Jim Fehlig > Envoyé : 18 juillet 2012 17:56 > À : John Garbutt > Cc : openstack@lists.launchpad.net > Objet : Re: [O

Re: [Openstack] What is the most commonly used Hypervisor and toolset combination?

it > sounds like this could be a win for both of us. > --- > I have Jim Fehlig in CC since this could be of interest to him. > > We managed to have the GPU passthrough of NVIDIA cards using Xen 4.1.2 but > ONLY with the xenapi (actually the whole XCP toolstack), with lib

Re: [Openstack] Multi-Hypervisor Support

Michael J Fork wrote: > > Looking at the Hypervisor section of the documentation, > _http://docs.openstack.org/trunk/openstack-compute/admin/content/selecting-a-hypervisor.html_, > it states > > "You cannot configure more than one virtualization type on the compute > nodes, so the hypervisor select

Re: [Openstack] Local storage and Xen with Libxl

Daniel P. Berrange wrote: > On Fri, Apr 19, 2013 at 01:43:23PM +0300, Cristian Tomoiaga wrote: > >> As for the compute part, I may need to work with libvirt but I want to >> avoid that if possible. Libxl was meant for stacks right ? Again, this may >> not be acceptable and I would like to know.

Re: [Openstack] Local storage and Xen with Libxl

Cristian Tomoiaga wrote: > Hi Jim, > > Thank you! I'll check libvirt in more detail to make sure nothing I > need is missing. > With xend it should work. I'm planning ahead and want to deploy on > Libxl but for the sake of argument I will probably use both KVM > (Daniel is to blame here :) ) and X