From owner-freebsd-hackers@FreeBSD.ORG Mon Dec 17 20:09:51 2012 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 60C3F50E for ; Mon, 17 Dec 2012 20:09:51 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-we0-f182.google.com (mail-we0-f182.google.com [74.125.82.182]) by mx1.freebsd.org (Postfix) with ESMTP id E6EF88FC0A for ; Mon, 17 Dec 2012 20:09:50 +0000 (UTC) Received: by mail-we0-f182.google.com with SMTP id u54so2995919wey.13 for ; Mon, 17 Dec 2012 12:09:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=o+2UZuVX+6lyuMNTvUdhTF3l+ZDfAzzI59vc8dyhnbI=; b=O6QpH4ukEKzApS4EA/2YYFOAmsVojt49tOi79ZQEDma6dioX6yWsVPngBghozH3yNu DSwQ/MBI2nWpAw8epFrTZ1ZBFAx4/p94PPweC5tO4zvNFLNeSm+Ws5xC/YLxd3xybgns IbVF+kgBMjYm274ep2gCzE8gxCZFjMLPKqzVxYsppSiCx+pdbrknj3swWIhsVUjXEtJQ dy0lNYJ1I4Mq39YMBksHQ6i5uLUUcaYjyh2+jhsX3hMA9kwwhyJi2P/HmBZ6/5S/BW1k 5zoOroes63SwWRenX+xZBnTrEFdpEfm6A9kETjUIKzkHl9P7hiUNJyE23Ee67rqDAaSt WVsQ== MIME-Version: 1.0 Received: by 10.180.88.71 with SMTP id be7mr17978647wib.17.1355774988065; Mon, 17 Dec 2012 12:09:48 -0800 (PST) Sender: adrian.chadd@gmail.com Received: by 10.217.57.9 with HTTP; Mon, 17 Dec 2012 12:09:47 -0800 (PST) In-Reply-To: <25526.1355695692@tristatelogic.com> References: <1355691233.1198.126.camel@revolution.hippie.lan> <25526.1355695692@tristatelogic.com> Date: Mon, 17 Dec 2012 12:09:47 -0800 X-Google-Sender-Auth: -XB5Vfx-E_2iuYZJqDv1ngUd9bw Message-ID: Subject: Re: Another WTF moment From: Adrian Chadd To: "Ronald F. Guilmette" Content-Type: text/plain; charset=ISO-8859-1 Cc: freebsd-hackers@freebsd.org X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 Dec 2012 20:09:51 -0000 Hi, Wow, I didn't even know this existed! Would you mind filing a doc PR with this information, along with how you figured out it was a HPA? I'm sure this is going to come up from time to time and it'd be great if someone would take the doc PR and turn it into a FAQ entry. Thanks, Adrian On 16 December 2012 14:08, Ronald F. Guilmette wrote: > > In message <1355691233.1198.126.camel@revolution.hippie.lan>, > Ian Lepore wrote: > >>On Sun, 2012-12-16 at 12:01 -0800, Ronald F. Guilmette wrote: >>> So, um, WTF? One ST380011A is 156299375 sectors big, and the other one >>> is 156301488 big. >>> >>> How exactly does this happen? >> >>Assuming the 3.06 and 3.54 are firmware revision numbers, one might >>speculate that ongoing testing showed higher sector failure rates than >>intially expected, and thus newer firmware sets aside a few more sectors >>as spares. > > Well, as it turns out, no. > > I did some more research and managed to find out that the discrepancy > is apparently due to the presence of a Host Protected Area (HPA) on the > first drive. > > I don't know who or what created this HPA on that drive, but I do suspect > that it was Windoze. (I have WindowsME and also Windows2000 partitions on > that drive, and both of those OSese were installed onto that drive at various > prior points in time.) > > So anyway, nevermind. > > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org"