The iface:ide parameter (used in the libguestfs add_drive call) does not work with a libvirt backend. The error usually seen is: 'iface' parameter is not supported by the libvirt attach-method at /usr/share/perl5/vendor_perl/Sys/VirtConvert/GuestfsHandle.pm line 96. This issue was previously mentioned in this thread: https://www.redhat.com/archives/libguestfs/2013-February/msg00057.html, and a workaround of 'export LIBGUESTFS_ATTACH_METHOD=appliance' was suggested. However, as mentioned in the bug, this parameter is likely no longer required. Unless there is a use-case where this setting is required, it seems like a good idea to remove it completely (which should work in either libvirt or direct mode), rather than recommend the workaround. --- lib/Sys/VirtConvert/GuestfsHandle.pm | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/lib/Sys/VirtConvert/GuestfsHandle.pm b/lib/Sys/VirtConvert/GuestfsHandle.pm index 549ba11..71f11da 100644 --- a/lib/Sys/VirtConvert/GuestfsHandle.pm +++ b/lib/Sys/VirtConvert/GuestfsHandle.pm @@ -73,21 +73,18 @@ sub new # Open a guest handle my $g; my $open = sub { - my $interface = "ide"; - $g = Sys::Guestfs->new(); foreach my $disk (@{$disks}) { my ($name, $path, $format) = @$disk; $g->add_drive_opts($path, format => $format, - iface => $interface, name => $name); } # Add the transfer iso if there is one $g->add_drive_opts($transfer, - format => 'raw', iface => $interface, readonly => 1) + format => 'raw', readonly => 1) if defined($transfer); # Enable networking in the guest -- 1.8.1.4