[CentOS] KVM Questions

On 05/09/2015 05:00 PM, Leon Fauster wrote:
> modern filesystems and image formats do not allocate the whole space if not neccessary (qcow2 feature).

Not specifically.  Every disk image type would be sparse if it were 
copied off a disk and back by a tool that wrote them correctly.

qcow2 does support small files on filesystems that don't support sparse 
files, but in that case du and ls will show the same size.