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Date: Mon, 3 Nov 2008 21:27:24 +0100 (CET)
From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: "Marc G. Fournier" <scrappy@hub.org>
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Cc: freebsd-questions@freebsd.org
Subject: Re: copying 'holey' files ...
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>
> I have a disk img for qemu that is 4G, but disk usage is only 650M ... due to
> how the image is created, it will grow to 4G, but only uses as much as it needs
> ... but, if I run a simple 'cp' on the file, it goes from:

tar have options for that

>
> image: debian.img
> file format: raw
> virtual size: 4.0G (4294967296 bytes)
> disk size: 652M
>
> to:
>
> image: dtc.img
> file format: raw
> virtual size: 4.0G (4294967296 bytes)
> disk size: 4.0G
>
> Is there a way of moving things around such that it *maintains* the holes,
> instead of fills them in?
>
> Thx
>
>
> - --
> Marc G. Fournier        Hub.Org Hosting Solutions S.A. (http://www.hub.org)
> Email . scrappy@hub.org                              MSN . scrappy@hub.org
> Yahoo . yscrappy               Skype: hub.org        ICQ . 7615664
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