Re: [Qemu-devel] image size - OS reports 720mb, but image file is 2.3 gig

[Elefterios Stamatogiannakis <estama@dblab.ece.ntua.gr>]

  I have done exactly that:
-Win2k SP4
-Office 2000
-Adobe Pro 6
-Mozilla suite
-Some other stuff.

  Contained in a cd compressed with Drive Image.
  Uncompressed it is 1.2 GB.
  It is certainly doable.

  Furthermore it works at whatever machine you put it in provided that 
you have the drivers for it EXCEPT pcs with sata.

  I could (privately) provide the image if you want to take a look at it 
but i don't want redistribution.

  Under qemu some things don't work (i have posted an account of that in 
the qemu list previously). I think that the root of all qemu problems 
under windows has something to do with the date/time of the emulated 
machine.

  lefteris.

Joe Bogner wrote:
> Hello,
> 
> I'm trying to create an win2k image that is as small as possible. I'd
> like to be able to copy the image back and forth between machines so
> that I have a complete win2k development image.
> 
> According to win2k, the size is about 720mb. Originally win2k was
> reporting the size to be about 1.2gig, but I was able to reduce it
> through NTFS compression.
> 
> Here's the dilemna. The physical image file is 2.3gig. I've run a
> qemu-img convert -f qcow <input> -O qcow <output>, which took the
> original 4.5 gig image down to 2.3 gig. With qemu-img compression, I
> was able to get it down to 1.7gig.
> 
> Why is there such a large discrepency between what win2k reports and
> the physical image file on disk? Is there anything else I can do to
> reduce it, aside from compressing the physical image file?
> 
> 1.7 gig is still quite a bit to be shuffling around between machines.
> 
> Thanks,
> Joe
> 
> 
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