qemu-img convert : use default cache=unsafe instead writeback

Signed-off-by: Alexandre Derumier <aderumier@odiso.com>

diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index 7778fb868f093868ec8c0c9d39692488cd6ae833..2414fd86c861d9b25941641f461dfac9d827d71b 100644 (file)
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -5605,7 +5605,7 @@ sub qemu_img_convert {
        my $dst_path = PVE::Storage::path($storecfg, $dst_volid);
 
        my $cmd = [];
-       push @$cmd, '/usr/bin/qemu-img', 'convert', '-t', 'writeback', '-p', '-n';
+       push @$cmd, '/usr/bin/qemu-img', 'convert', '-p', '-n';
        push @$cmd, '-s', $snapname if($snapname && $src_format eq "qcow2");
        push @$cmd, '-f', $src_format, '-O', $dst_format, $src_path;
        if ($is_zero_initialized) {