Hi > No, he's talking filling with zeros unused blocks. That's a prerequisite > to optimize for a sparse image _on the other side_ and/or compression > during the transfer. > > I know of an ext2/3/4 utility that does precisely that. I have no idea > if such an utility exists for NTFS. > > It exists for NTFS, have a look at "sdelete.exe" with -c option. Momo. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos-virt/attachments/20110808/c9f1fd64/attachment-0006.html>