Qcow2

From Wikipedia, the free encyclopedia

qcow2 is a QEMU image format, the most versatile format. Use it to have smaller images (useful if your filesystem does not supports holes, for example on Windows), optional AES encryption, zlib based compression and support of multiple VM snapshots.

[edit] References

[1]http://fabrice.bellard.free.fr/qemu/qemu-doc.html#SEC17