Re: [Wg-openstack] Oracle VM with Nova/libvirtd/libguestfs

[Anthony PERARD <anthony.perard@xxxxxxxxxx>]

Hi Mark,

On Tue, Jan 12, 2016 at 05:45:11PM +0000, Mark Duggan wrote:
> The system I'm using the following xen pkg versions:
> xen-4.4.4-65.el6.x86_64
> 
> With the following libvirt pkg versions:
> libvirt-1.2.14-4.el6.x86_64

Those packages might missing a few patches, but I think are for stability.
List is here: 
http://wiki.xen.org/wiki?title=OpenStack_CI_Loop_for_Xen-Libvirt&oldid=15162#Baseline
Or those patches might already be included in the package.

> I'm running a Kilo nova_compute as a docker container, directly on my
> my OVM/Xen instance.  Libvirtd is running natively on OVM.
> 
> So, what I'm seeing is that when I  try to create a VM from nova
> with something like:
> 
> "docker-ostk nova boot --image cirros1 --flavor m1small manual20"
> 
> The process  gets as far as a libvirt talking to libguestfs but
> it seems to get into trouble before requesting xl to instantiate the vm.
> Here's a snip from the nova_compute logs:

[...]
> {"log":"Original error from libvirt: Cannot access storage file
> '/tmp/libguestfsBgj7ba/overlay2' (as uid:107, gid:107): No such file or
> directory [code=38 domain=18]). Cannot
> resize.\n","stream":"stderr","time":"2016-01-12T12:25:51.400006722Z"}

That might be the issue. Do nova_compute and libvirtd share the same
filesystem? I guest not due to one been in a container and the other one
outside.

[...]
> 2016-01-12 12:21:24.154+0000: 8605: error :
> virStorageFileGetMetadataRecurse:2836 : Cannot access storage file
> '/tmp/libguestfseSpFZD/overlay2' (as uid:107, gid:107): No such file or
> directory

-- 
Anthony PERARD

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