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Date: Sun, 04 Jul 2004 11:56:11 +0800
From: Damien Mascord <tusker@tusker.org>
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Subject: Re: [Qemu-devel] How to avoid inflation during COW file transfer?
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To: qemu-devel@nongnu.org

Joachim Frieben wrote:

> I have some problem transferring a Windows 2000 COW image file created 
> on one Fedora Core 2 machine to a 2nd one via sftp because the target 
> file gets inflated to the full size. The source file was about 700 MB, 
> the target file would have been 6 GB. Does anybody know how to avoid 
> this unpleasant effect? Thanks in advance for any helpful comment!

Hi Joachim,

Can't you use tar and/or bzip2 to compress it first? (That's how people 
distribute the COW files on the web, so I imagine there is some tar 
switch to use?)

Damien