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Have KVM storage support default to cache=none for now

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Fix lvm to use raw rather than qcow2, since qcow2 makes no sense for LVM

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@15019 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
This commit is contained in:
jbjohnso
2013-01-30 16:09:18 +00:00
parent 4807663ce6
commit ea6d9f7081
1 changed files with 4 additions and 1 deletions
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5
xCAT-server/lib/xcat/plugins/kvm.pm
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@@ -269,6 +269,9 @@ sub get_filepath_by_url { #at the end of the day, the libvirt storage api gives
my $create = $args{create};
my $force = $args{force};
my $format = $args{format};
if ($url =~ /^lvm:/) {
$format = 'raw';
}
unless ($format) {
$format = 'qcow2';
}
@@ -1610,7 +1613,7 @@ sub chvm {
} elsif ($suffix =~ /vd/) {
$bus='virtio';
}
my $xml = "<disk type='file' device='disk'><driver name='qemu' type='$format'/><source file='$_'/><target dev='$suffix' bus='$bus'/></disk>";
my $xml = "<disk type='file' device='disk'><driver name='qemu' type='$format' cache='none'/><source file='$_'/><target dev='$suffix' bus='$bus'/></disk>";
if ($currstate eq 'on') { #attempt live attach
eval {
$dom->attach_device($xml);