use multiple mount protection (mmp)

diff --git a/src/PVE/LXC.pm b/src/PVE/LXC.pm
index 40942f9cc21ef659432f2f2dedbb4e0f94ee5411..eb69facf753509b6f633044636f24d8aebae25a9 100644 (file)
--- a/src/PVE/LXC.pm
+++ b/src/PVE/LXC.pm
@@ -1973,7 +1973,7 @@ sub mount_all {
            die "unable to mount base volume - internal error" if $isBase;
 
            if ($format_raw_images && $format eq 'raw') {
-               my $cmd = ['mkfs.ext4', $image_path];
+               my $cmd = ['mkfs.ext4', '-O', 'mmp', $image_path];
                PVE::Tools::run_command($cmd);
            }