# qemu-img info 192.168.30.193.raw
image: 192.168.30.193.raw
file format: raw
virtual size: 100G (107374182400 bytes)
disk size: 2.7G
VM에서 데이타 생성....
# qemu-img info 192.168.30.193.raw
image: 192.168.30.193.raw
file format: raw
virtual size: 100G (107374182400 bytes)
disk size: 33G
VM 데이타 삭제후에도.. 동일함...
# qemu-img info 115.68.30.193_7250_vm04020.raw
image: 115.68.30.193_7250_vm04020.raw
file format: raw
virtual size: 100G (107374182400 bytes)
disk size: 33G
싸이즈가 약간에 변화가 있음;;;
# qemu-img convert 192.168.30.193.raw -O qcow2 tmp.qcow2
# qemu-img info tmp.qcow2
image: tmp.qcow2
file format: qcow2
virtual size: 100G (107374182400 bytes)
disk size: 20G
cluster_size: 65536
VM (zero-fill)
dd if=/dev/zero ...... 풀날때까지..
# qemu-img info 192.168.30.193.raw
image: 192.168.30.193.raw
file format: raw
virtual size: 100G (107374182400 bytes)
disk size: 98G
Convert후 정상이미지 싸이즈로 변환
# qemu-img convert 192.168.30.193.raw -O raw tmp.raw
# qemu-img info tmp.raw
image: tmp.raw
file format: raw
virtual size: 100G (107374182400 bytes)
disk size: 2.3G
