qemu-img convert -p -f vmdk "IE11 - Win7-disk1.vmdk" -O raw /dev/mapper/pve-vm--101--disk-1
qemu-img convert -p -f vmdk "IE11 - Win7-disk1.vmdk" -O raw "IE11 - Win7-disk1.raw"
dd if="IE11 - Win7-disk1.raw" bs=1M|pv| dd of=/dev/mapper/pve-vm--101--disk--1
https://forum.proxmox.com/threads/dd-raw-drives-to-lvm-is-slow-is-there-a-better-way.29785/