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@Romi, check if the libvirt-bin is running, that usually means its not.

So i've managed to get my instances to launch, thx Mandar!

However, when i try to migrate i get this error:

> 2012-07-05 09:33:48 ERROR nova.manager [-] Error during
> ComputeManager.update_available_resource: Domain not found: no domain with
> matching id 2
> 2012-07-05 09:33:48 TRACE nova.manager Traceback (most recent call last):
> 2012-07-05 09:33:48 TRACE nova.manager   File
> "/usr/lib/python2.7/dist-packages/nova/manager.py", line 155, in
> periodic_tasks
> 2012-07-05 09:33:48 TRACE nova.manager     task(self, context)
> 2012-07-05 09:33:48 TRACE nova.manager   File
> "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 2409, in
> update_available_resource
> 2012-07-05 09:33:48 TRACE nova.manager
> self.driver.update_available_resource(context, self.host)
> 2012-07-05 09:33:48 TRACE nova.manager   File
> "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line
> 1936, in update_available_resource
> 2012-07-05 09:33:48 TRACE nova.manager     'vcpus_used':
> self.get_vcpu_used(),
> 2012-07-05 09:33:48 TRACE nova.manager   File
> "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line
> 1743, in get_vcpu_used
> 2012-07-05 09:33:48 TRACE nova.manager     dom =
> self._conn.lookupByID(dom_id)
> 2012-07-05 09:33:48 TRACE nova.manager   File
> "/usr/lib/python2.7/dist-packages/libvirt.py", line 2363, in lookupByID
> 2012-07-05 09:33:48 TRACE nova.manager     if ret is None:raise
> libvirtError('virDomainLookupByID() failed', conn=self)
> 2012-07-05 09:33:48 TRACE nova.manager libvirtError: Domain not found: no
> domain with matching id 2


Any ideas on how to debug solve this?

On Thu, Jul 5, 2012 at 9:03 AM, romi zhang <romizhang1968 at 163.com> wrote:

>  I am also met the problem when I restart nova-compute “libvirtError:
> Failed to connect socket to '/var/run/libvirt/libvirt-sock': No such file
> or directory”  after modify factors of libvirt, also use NFS as share
> storage.****
>
> ** **
>
> Romi****
>
> ** **
>
> ** **
>
> *发件人:* openstack-bounces+romizhang1968=163.com at lists.launchpad.net[mailto:
> openstack-bounces+romizhang1968=163.com at lists.launchpad.net] *代表 *Mandar
> Vaze / ????? ???
> *发送时间:* 2012年7月5日 星期四 12:14
> *收件人:* Leander Bessa Beernaert
> *抄送:* openstack at lists.launchpad.net
> *主题:* Re: [Openstack] [OpenStack][Nova] Live Migration + NFSv4 -
> Permission issues****
>
>  ** **
>
> See if mounting as nfsv3 helps****
>
> See https://answers.launchpad.net/nova/+question/164689,
> specifically comment #11****
>
> ** **
>
> -Mandar****
>
> On Tue, Jul 3, 2012 at 7:18 PM, Leander Bessa Beernaert <
> leanderbb at gmail.com> wrote:****
>
> Hello all,****
>
> ** **
>
> I've been trying to get the live migration to work according to the guide
> http://docs.openstack.org/trunk/openstack-compute/admin/content/configuring-live-migrations.html.
> ****
>
> ** **
>
> So far i've setup 2 compute nodes and 1 controller node. They all share
> the /var/lib/nova/instances dir. I've already verified that the nova user
> id is the same across all the servers. ****
>
> ** **
>
> Currently i'm running into this error when i launch an instance:
> http://paste.openstack.org/show/19221/****
>
> ** **
>
> It's certainly a permission issue, so i tried adding the group "nova" to
> the user "libvirt-qemu". However, it still doesn't work. To which user must
> i give the nova group permission in order to be able to write in that
> directory?****
>
> ** **
>
> Regards,****
>
> Leander****
>
>
> _______________________________________________
> Mailing list: https://launchpad.net/~openstack
> Post to     : openstack at lists.launchpad.net
> Unsubscribe : https://launchpad.net/~openstack
> More help   : https://help.launchpad.net/ListHelp****
>
> ** **
>
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