From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933040AbZHZNqL (ORCPT ); Wed, 26 Aug 2009 09:46:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933019AbZHZNqK (ORCPT ); Wed, 26 Aug 2009 09:46:10 -0400 Received: from earthlight.etchedpixels.co.uk ([81.2.110.250]:37814 "EHLO www.etchedpixels.co.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S933018AbZHZNqK (ORCPT ); Wed, 26 Aug 2009 09:46:10 -0400 Date: Wed, 26 Aug 2009 14:47:16 +0100 From: Alan Cox To: Chris Adams Cc: Theodore Tso , linux-kernel@vger.kernel.org Subject: Re: [patch] document flash/RAID dangers Message-ID: <20090826144716.486a0d44@lxorguk.ukuu.org.uk> In-Reply-To: <20090826134045.GA1516467@hiwaay.net> References: <20090826134045.GA1516467@hiwaay.net> X-Mailer: Claws Mail 3.7.1 (GTK+ 2.14.7; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > The issues being raised here are not specific to extX, MD RAID, or Linux > at all; they are problems with non-"enterprise-class" RAID setups. > There's a reason enterprise-class RAID costs a lot more money than the > card you can pick up at Fry's. And you will still need backups ;) A long time ago I worked on a fault tolerant news server with dual alphaserver boxes and a shared disk array. A power system failure took out both the alpha boxes and the disk controllers and all the disks. Fortunately it was a news server so you just had to wait a week .. Alan