From owner-freebsd-stable@FreeBSD.ORG Thu Dec 16 00:05:13 2004 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id ADA9216A4CE for ; Thu, 16 Dec 2004 00:05:13 +0000 (GMT) Received: from rproxy.gmail.com (rproxy.gmail.com [64.233.170.203]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4ED2D43D46 for ; Thu, 16 Dec 2004 00:05:13 +0000 (GMT) (envelope-from gianluca@gmail.com) Received: by rproxy.gmail.com with SMTP id a41so1321572rng for ; Wed, 15 Dec 2004 16:05:12 -0800 (PST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:references; b=qiRAELYsxgs6G6dK7dcBXsuWK7wd1xDJGOu8D5zbJCpNHiI3ZLAPn/hk+oCAiivWQTmEujQ4z3ddYAOl2xj4Qoekwz7g6kZDiDB+6ox2yANIEqJwv1i9vPlhOeylm92pyd/bTXptgKv/RAR8NCKezacclcRbs4poElJG3IpAYRw= Received: by 10.38.90.74 with SMTP id n74mr2111786rnb; Wed, 15 Dec 2004 16:05:12 -0800 (PST) Received: by 10.38.74.45 with HTTP; Wed, 15 Dec 2004 16:05:12 -0800 (PST) Message-ID: Date: Wed, 15 Dec 2004 16:05:12 -0800 From: Gianluca To: freebsd-stable@freebsd.org In-Reply-To: <6.1.2.0.2.20041215183830.030013b0@mail.rfnj.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit References: <20041213052628.GB78120@meer.net> <20041213054159.GC78120@meer.net> <20041213060549.GE78120@meer.net> <20041213192119.GB4781@meer.net> <41BE8F2D.8000407@DeepCore.dk> <6.1.2.0.2.20041215183830.030013b0@mail.rfnj.org> Subject: Re: drive failure during rebuild causes page fault X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: ghost@kzsu.org List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 16 Dec 2004 00:05:13 -0000 > If you're thinking of using RAID instead of good timely backups, you need > to go back to the drawing board, because that is not what RAID is intended > to replace -- and is something it cannot replace. actually all the data I plan to keep on that server is gonna be backed up, either to cdr/dvdr or in the original audio cds that I still have. what I meant by integrity is trying to avoid having to go back to the backups to restore 120G (or more in this case) that were on a dead drive. I've done that before, and even if it's no mission-critical data, it remains a huge PITA :) thanks for the detailed explanation of how RAID5 works, somehow I didn't really catch the distinction between the normal and degraded operations on the array. what would be your recommendations for this particular (and very limited) application? thanks a lot for your help, g.