[Libguestfs] virt-v2v fails 'iface' parameter is not supported by the libvirt attach-method

Chris Noffsinger cnoffsin at gmail.com
Fri Feb 8 17:35:43 UTC 2013


Thank you for the quick reply!

On Fri, Feb 8, 2013 at 12:26 PM, Richard W.M. Jones <rjones at redhat.com>wrote:

> On Fri, Feb 08, 2013 at 10:47:58AM -0500, Chris Noffsinger wrote:
> > So I am getting this error on Fed18 virt-v2v trying to convert libvirtxml
> > to Rhev 3.1 NFS Export domain:
> >
> > 'iface' parameter is not supported by the libvirt attach-method at
> > /usr/share/perl5/vendor_perl/Sys/VirtConvert/GuestfsHandle.pm line 96.
> >
> > Which is mentioned in this bug:
> >
> > https://bugzilla.redhat.com/show_bug.cgi?id=895898
> >
> > and this one:
> >
> > https://bugzilla.redhat.com/show_bug.cgi?id=892272
>
> Yup, this is a missing feature in libguestfs when using the libvirt
> backend (instead of the default which is to run qemu directly).  In
> Fedora 18, we're using the non-default libvirt backend, so
> consequently this missing feature breaks virt-v2v.
>
> > Is there a work-around way for me to manipulate my xml to get it to
> > convert?  Or am I not hitting a bug at all and just have the wrong
> hardware
> > specified somewhere?
>
> The simplest workaround is to switch back to the default backend.  Do:
>
>   export LIBGUESTFS_ATTACH_METHOD=appliance
>
> before running virt-v2v.
>
> Rich.
>
> --
> Richard Jones, Virtualization Group, Red Hat
> http://people.redhat.com/~rjones
> Fedora Windows cross-compiler. Compile Windows programs, test, and
> build Windows installers. Over 100 libraries supported.
> http://fedoraproject.org/wiki/MinGW
>



-- 
Chris Noffsinger
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