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Re: [Qemu-devel] remark about http://www.freeoszoo.org

From: Brad Campbell
Subject: Re: [Qemu-devel] remark about http://www.freeoszoo.org
Date: Mon, 04 Oct 2004 08:09:26 +0400
User-agent: Mozilla Thunderbird 0.8 (X11/20041002)

Karl Magdsick wrote:
As a note to anyone planning on uploading QEMU disk images to Free OS
Zoo, Free OS Zoo's suggested way of creating disk images does not (in
the general case) blank out the unused space in the disk image.  As a
result, the image will likely contain parts of deleted files from the
host OS.  This will reduce compressability of the disk images and may
cause the disk images to contian sensitive information, such as
passwords and credit card numbers.

This isn't a problem unless you think you might possibly give the disk
image to someone else in the future.

I think perhaps you should go back and do some reading on sparse files, what they are and how they work before jumping to such conclusions.


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