Once upon a time, Greg Bailey <gbai...@lxpro.com> said:
> Wes didn't say the reason he wanted to zero unused blocks, but I
> always do this in kickstart scripts when constructing VM images as
> the image size is considerably reduced by doing this...

For that purpose, use something that can TRIM a VM image, like
virt-sparsify.
-- 
Chris Adams <li...@cmadams.net>
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