create rbd volume with format v2

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

diff --git a/PVE/Storage/RBDPlugin.pm b/PVE/Storage/RBDPlugin.pm
index 1a2e91c6a1047af395d6a0b296e0dd4bd3bd90c4..948be0d105e06543fd6a07deaba7aec51ab78782 100644 (file)
--- a/PVE/Storage/RBDPlugin.pm
+++ b/PVE/Storage/RBDPlugin.pm
@@ -210,7 +210,7 @@ sub alloc_image {
     die "unable to allocate an image name for VM $vmid in storage '$storeid'\n"
        if !$name;
 
-    my $cmd = &$rbd_cmd($scfg, $storeid, 'create', '--size', ($size/1024), $name);
+    my $cmd = &$rbd_cmd($scfg, $storeid, 'create', '--format' , 2, '--size', ($size/1024), $name);
     run_command($cmd, errmsg => "rbd create $name' error", errfunc => sub {});
 
     return $name;