From owner-freebsd-fs Mon Aug 26 11:52:45 2002 Delivered-To: freebsd-fs@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 72EC537B400 for ; Mon, 26 Aug 2002 11:52:42 -0700 (PDT) Received: from carver.gumbysoft.com (carver.gumbysoft.com [66.220.23.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3647643E6A for ; Mon, 26 Aug 2002 11:52:42 -0700 (PDT) (envelope-from dwhite@gumbysoft.com) Received: by carver.gumbysoft.com (Postfix, from userid 1000) id 97D8B72FC5; Mon, 26 Aug 2002 11:50:59 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by carver.gumbysoft.com (Postfix) with ESMTP id 9352172D9E; Mon, 26 Aug 2002 11:50:59 -0700 (PDT) Date: Mon, 26 Aug 2002 11:50:59 -0700 (PDT) From: Doug White To: "Andrew P. Lentvorski" Cc: freebsd-fs@freebsd.org Subject: Re: atacontrol metadata storage In-Reply-To: <20020825231202.L44977-100000@mail.allcaps.org> Message-ID: <20020826115002.P60837-100000@carver.gumbysoft.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-fs@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Sun, 25 Aug 2002, Andrew P. Lentvorski wrote: > How and where is atacontrol storing its metadata for the RAID > configurations? Its a format internal to the Promise ATA RAID controllers. I believe they place it in the protected area of the disk reserved for such things. > Atacontrol RAID configuration data seems to persist even across reboots > and even seems to allow RAID-based root partitions. This also has the > unfortunate effect of scrambling your disk drive if the RAID configration > fails, but that's a different problem. well it would sort of suck if it got lost on reboots :) Root RAID works since the RAIDing is done in hardware. -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message