sudo /usr/local/bin/qemu-system-x86_64 -smp 4 -enable-kvm -drive file=vm1.qcow2,format=qcow2,id=drive-virtio-disk0,if=none -device virtio-blk-pci,scsi=on,drive=drive-virtio-disk0 -m 1024 -M q35 -drive file=/ramcache/disk1.qcow2,format=qcow2,id=drive2,if=none -device virtio-blk-pci,scsi=on,drive=drive2 -netdev type=tap,id=net0 -device virtio-net-pci,netdev=net0
Q35 로 부팅하고 싶을 때 boot device를 못찾을 경우, if=scsi 를 넣어주어야 함
-drive file=./usb.img,if=scsi -M q35