From owner-freebsd-questions@FreeBSD.ORG Tue Dec 1 13:00:04 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 03F661065670 for ; Tue, 1 Dec 2009 13:00:03 +0000 (UTC) (envelope-from mkhitrov@gmail.com) Received: from mail-ew0-f226.google.com (mail-ew0-f226.google.com [209.85.219.226]) by mx1.freebsd.org (Postfix) with ESMTP id 7C9F28FC13 for ; Tue, 1 Dec 2009 13:00:03 +0000 (UTC) Received: by ewy26 with SMTP id 26so5245269ewy.3 for ; Tue, 01 Dec 2009 05:00:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :from:date:message-id:subject:to:cc:content-type :content-transfer-encoding; bh=QkfmA2kwhQ4EwogviU/gYmU94ZnQuRL/mv1Da6LHNi4=; b=jbizF22n5Rm/Fg0JnbqXkhd0gZ6pKytcjXOXZ+yDsDzTXJFF+TVwBfwVl22cqzZbMO fL+ZmsZHCvh85QZctR1QdRi36EaSTgPPksuska7/sCxvZzeczASBs9mWhWPX3ZC/njZx gdHQNJd9e5RNjcPDxB97rDnMsEL7jc4hcJBS8= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type:content-transfer-encoding; b=i083gmVfQai7D8+onkZyFIaPG05LywNTjE5LsPb5ahS8cWMLv3tX2lHHNI7uVaySVV PAgGYO8C4ErZ0bDTejoC/CCZR/eDfpzIl8/BZO3jtXQK7ltSlbV6vv3QYXnt4FRtiffW 8Q3xsGy5Sz8elJ7JzmsnVu0VYJr5GRAci7FU0= MIME-Version: 1.0 Received: by 10.213.102.202 with SMTP id h10mr5843994ebo.85.1259672402115; Tue, 01 Dec 2009 05:00:02 -0800 (PST) In-Reply-To: <1789c2360911280928t1e6e7b06p707abc1131f82bef@mail.gmail.com> References: <1789c2360911280928t1e6e7b06p707abc1131f82bef@mail.gmail.com> From: Maxim Khitrov Date: Tue, 1 Dec 2009 07:59:42 -0500 Message-ID: <26ddd1750912010459weda306esbb81d7a2b7025b6e@mail.gmail.com> To: Peggy Wilkins Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Cc: freebsd-questions@freebsd.org Subject: Re: 8.0-RELEASE and "dangerously dedicated" disks X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 01 Dec 2009 13:00:04 -0000 On Sat, Nov 28, 2009 at 12:28 PM, Peggy Wilkins wrote: > Can someone elaborate on what exactly this statement in the 8.0 > detailed release notes means? > > http://www.freebsd.org/releases/8.0R/relnotes-detailed.html#FS > >> 2.2.5 File Systems >> >> =E2=80=9Cdangerously dedicated=E2=80=9D mode for the UFS file system is = no longer supported. >> >> =C2=A0Important: Such disks will need to be reformatted to work with thi= s release. > > Due to history I won't go into, all my production (currently > 7.2-RELEASE) systems are installed onto "dangerously dedicated" disks. > =C2=A0What exactly do I need to do to upgrade them to 8.0? =C2=A0(I'm not= asking > for an upgrade procedure, I'm familiar with that, but rather, how this > change impacts the upgrade.) =C2=A0I think that the suggestion that the > disks need to be reformatted is extreme and I hope something less > extreme will suffice. > > Also, just to be clear, does this statement refer to boot disks, data > disks, or both? > > It doesn't make sense to me that "dangerously dedicated" could have an > impact on UFS filesystems specifically. =C2=A0A partition table is just a > partition table, regardless of what filesystems might be written on > disks, yes? =C2=A0Am I misunderstanding something here? > > Thanks for helping to clear up my confusion... > > plw Peggy, Were you able to find an answer for this? I also have a number of servers and firewalls that use dangerously dedicated disks (boot and data). I don't see why UFS would care if it's mounted from ad1a vs. ad1s1a. - Max