Commit 06067a24 authored by Daniel P. Berrangé's avatar Daniel P. Berrangé

Set cache=none for KVM guests

QEMU will refuse to live migrate with the default caching mode, so we
must explicitly set cache=none for the migration tests to pass.
Reviewed-by: 's avatarYash Mankad <>
Signed-off-by: 's avatarDaniel P. Berrangé <>
parent 88becc98
......@@ -396,11 +396,16 @@ sub as_xml {
type => $disk->{type},
$disk->{device} ? (device => $disk->{device}) : ());
my @driver = ();
if ($self->{type} eq "qemu" ||
$self->{type} eq "kvm") {
push @driver, "cache", "none";
if ($disk->{format}) {
name => $disk->{format}->{name},
type => $disk->{format}->{type});
push @driver, "name", $disk->{format}->{name},
"type", $disk->{format}->{type};
$w->emptyTag("driver", @driver);
if ($disk->{type} eq "block") {
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