QCOW2(QEMU Copy On Write) format disk 1. QCOW2 Creation 1. Create Base Image with 10G size diskqemu-img create -f qcow2 base.img 10G 2. Create Root Image which using base.imgqemu-img create -b base.img -f qcow2 root.img qemu-img info shows the chaining information of root.img sunshout@ubuntu-vm:/storage$ qemu-img info root.imgimage: root.imgfile format: qcow2virtual size: 10G (10737418240 bytes)..