[PVE-User] Info on qcow2 clone

Alessandro Briosi ab1 at metalit.com
Wed Oct 22 18:42:52 CEST 2014

Il 22/10/2014 17:41, Paul Gray ha scritto:
> A clone of cruft should contain cruft, so your report of filesizes above
> doesn't come as a surprise.
> If you want a smaller footprint, I suggest using zerofree (linux) or
> SDelete (windows) to zero out unused sectors on the disk to make the
> compression of the non-used areas more effective.

that's not the point.

As stated it's already a sparse file.
file size is 32GB but on the filesystem it uses only 5GB

If I do °cp --sparse=always° the resulting filesystem use is even less


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