From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.33) id 1CEKGp-0007Px-NZ for qemu-devel@nongnu.org; Mon, 04 Oct 2004 00:16:20 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.33) id 1CEKGo-0007PF-Ap for qemu-devel@nongnu.org; Mon, 04 Oct 2004 00:16:18 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.33) id 1CEKGo-0007Oy-6M for qemu-devel@nongnu.org; Mon, 04 Oct 2004 00:16:18 -0400 Received: from [203.190.192.17] (helo=wasp.net.au) by monty-python.gnu.org with esmtp (Exim 4.34) id 1CEK9e-0001eo-Gj for qemu-devel@nongnu.org; Mon, 04 Oct 2004 00:08:54 -0400 Message-ID: <4160CCF6.4000707@wasp.net.au> Date: Mon, 04 Oct 2004 08:09:26 +0400 From: Brad Campbell MIME-Version: 1.0 Subject: Re: [Qemu-devel] remark about http://www.freeoszoo.org References: <20041002131621.GA90530@aseed.antenna.nl> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Karl Magdsick , qemu-devel@nongnu.org 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. Brad