[CentOS-virt] compress raw image


momo at linutex.net
Mon Aug 8 16:51:21 UTC 2011


> 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.

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