From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with archive (Exim 4.43) id 1JbNXw-0004jF-1T for mharc-grub-devel@gnu.org; Mon, 17 Mar 2008 18:11:08 -0400 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1JbNXt-0004hW-Og for grub-devel@gnu.org; Mon, 17 Mar 2008 18:11:05 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1JbNXs-0004gv-6s for grub-devel@gnu.org; Mon, 17 Mar 2008 18:11:05 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JbNXs-0004gq-1p for grub-devel@gnu.org; Mon, 17 Mar 2008 18:11:04 -0400 Received: from c60.cesmail.net ([216.154.195.49]) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_ARCFOUR_SHA1:16) (Exim 4.60) (envelope-from ) id 1JbNXr-0000v0-QR for grub-devel@gnu.org; Mon, 17 Mar 2008 18:11:03 -0400 Received: from unknown (HELO relay.cesmail.net) ([192.168.1.81]) by c60.cesmail.net with ESMTP; 17 Mar 2008 18:11:02 -0400 Received: from [192.168.1.21] (static-72-92-88-10.phlapa.fios.verizon.net [72.92.88.10]) by relay.cesmail.net (Postfix) with ESMTP id 3B93561905A for ; Mon, 17 Mar 2008 18:11:02 -0400 (EDT) From: Pavel Roskin To: The development of GRUB 2 In-Reply-To: <1205791169.12850.4.camel@thinix-laptop> References: <1205785592.12352.1.camel@thinix-laptop> <1205788836.7778.0.camel@dv> <1205791169.12850.4.camel@thinix-laptop> Content-Type: text/plain Date: Mon, 17 Mar 2008 18:11:01 -0400 Message-Id: <1205791861.7778.16.camel@dv> Mime-Version: 1.0 X-Mailer: Evolution 2.12.3 (2.12.3-3.fc8) Content-Transfer-Encoding: 7bit X-detected-kernel: by monty-python.gnu.org: Genre and OS details not recognized. Subject: Re: Does grub have to write to the boot device to boot a system? X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: The development of GRUB 2 List-Id: The development of GRUB 2 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 Mar 2008 22:11:06 -0000 On Mon, 2008-03-17 at 16:59 -0500, Paul Albrecht wrote: > On Mon, 2008-03-17 at 17:20 -0400, Pavel Roskin wrote: > > On Mon, 2008-03-17 at 15:26 -0500, Paul Albrecht wrote: > > > Hi, > > > > > > A question: Does grub have to write to the boot device to boot a system? > > > > No. > > > > I'm booting linux with grub and have setup a separate boot partition. > After I boot the system, I md5sum'ed the boot device and compared it > with one saved from a prior boot. They're always different. > > Any idea why the md5sums for the boot device differ? Perhaps it's the mount counter and the mount timestamp (if it's ext2 or ext3). -- Regards, Pavel Roskin