KVM: Importing an OVA appliance¶ First of all, the .ova format is nothing more than a tar archive, containing an .ovf and a .vmdk files, respectively the VM configuration and disk. So, you can simply extract the files: # List the available formats $ qemu-img -h | tail -n1 Supported formats: vvfat vpc vmdk vdi sheepdog raw host_cdrom host_floppy host_device file qed qcow2 qcow parallels nbd dmg tft