[libvirt-users] unable to create preallocated image with gluster protocol

Hi All, When I tried to create preallocated image with gluster , I am unable to create one The image gets created but not preallocated. [root@ ]# qemu-img create -f qcow2 -o preallocation=full gluster://host1.lab.eng.blr.redhat.com/rep3vol/vm3.img 3G Formatting 'gluster://dhcp37-61.lab.eng.blr.redhat.com/rep3vol/newvm3.img', fmt=qcow2 size=3221225472 encryption=off cluster_size=65536 preallocation='full' Unknown option 'preallocation' Is it a known issue ? -- Satheesaran S