Re: filesizes/diskusage with ls, du, df only on xen-images

[tstaps]

Thanks a lot, Phil

...and a big sorry for my malformed mail.

It is really a 'sparse file', I have never heard before...
So we learn every day...


Greetings,
Thomas


On Thu, 17 Jul 2008, Philip Rowlands wrote:

> On Wed, 16 Jul 2008, tstaps wrote:
>
> > I have a problem, that is testet only on one machine.
>
> [ snip creating and mounting 5GB filesystem ]
>
> Sorry, I have to delete some quoted text otherwise this reply will be 
> unreadable.
>
> > # cp /var/lib/xen/images/xc51small.hda .
> > # df -k .
> > Dateisystem 1K-Bl?cke Benutzt Verf?gbar Ben% Eingeh?ngt auf
> > /dev/mapper/vg_opt-lv_opt_image1
> > 5160576 1087236 3811196 23% /opt/image1
> > ^^^^^^^ ?
>
> The figure highlighted is the total number of 1K blocks in the filesystem. 
> The total has not changed, but the used and available figures have, as would 
> be expected.
>
> Perhaps I'm misreading the ascii-arrows; the change in filesystem usage is 
> 945796 K, which is smaller than the 2GB you reported. The further examples 
> given make the same point.
>
> Please check whether the original xc51small.hda is a sparse file, which would 
> explain the difference between size as reported by ls and du, and space 
> occupied on disk as reported by du and df.
>
>
> Cheers,
> Phil