Perche' link di http://www.cuddletech.com/blog/pivot/entry.php?id=983

A Word Of Warning

At this point I do want to warn you of something. Notice that *du* displays
actual disk consumption, not true file size. Now consider the way in which
most admins actually use the command... to total up cumulative file sizes.
On a typical file system, "du -sh ." will nicely total up all the files,
which would be the same as if I tar'ed up the files and looked at the
tarball's filesize. When using compression you can not use "du" in this way
because the files are larger than the actual disk usage. So you get into
potentially confusing situations like this:


2010/5/11 fabioFVZ <[email protected]>

> Il 11/05/10 10.11, Stefano Sasso ha scritto:
>
>  Ci sono 2.21 Tera occupati quando in realta' sono 178G.
>>>
>>
>> in gergo vmware, per caso sono "thin" files?
>>
>
> Yes
>
> penso abbia capito il problema :)
>
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