From owner-freebsd-fs Fri Feb 13 17:33:16 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id RAA28922 for freebsd-fs-outgoing; Fri, 13 Feb 1998 17:33:16 -0800 (PST) (envelope-from owner-freebsd-fs@FreeBSD.ORG) Received: from allegro.lemis.com (allegro.lemis.com [192.109.197.134]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id RAA28914 for ; Fri, 13 Feb 1998 17:33:12 -0800 (PST) (envelope-from grog@lemis.com) Received: from freebie.lemis.com (freebie.lemis.com [192.109.197.137]) by allegro.lemis.com (8.8.7/8.8.5) with ESMTP id MAA23049; Sat, 14 Feb 1998 12:02:48 +1030 (CST) Received: (from grog@localhost) by freebie.lemis.com (8.8.8/8.8.7) id MAA05927; Sat, 14 Feb 1998 12:02:47 +1030 (CST) (envelope-from grog) Message-ID: <19980214120247.43100@freebie.lemis.com> Date: Sat, 14 Feb 1998 12:02:47 +1030 From: Greg Lehey To: Michael Hancock , freebsd-fs@FreeBSD.ORG Subject: Re: ccd and ftd References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.89i In-Reply-To: ; from Michael Hancock on Sat, Feb 14, 1998 at 10:19:49AM +0900 WWW-Home-Page: http://www.lemis.com/~grog Organization: LEMIS, PO Box 460, Echunga SA 5153, Australia Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-41-739-7062 Sender: owner-freebsd-fs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Sat, 14 February 1998 at 10:19:49 +0900, Michael Hancock wrote: > I'm looking for a fault tolerant solution. I know Greg is working on a > ftd driver. > > In the meantime I noticed that ccd supports mirroring. I'd like to mirror > two arrays of 3 to 4 disk each. How well does this work? Do you mean more than one mirror? I don't believe that works. Certainly I can't see how it can from reading the code. > What happens when a disk goes bad? The worst possible scenario. Your whole disk set goes down, and to get it up again, you have to reconfigure the set without the defective drive. That's one of the problems that my driver addresses. Greg To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message