From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lars Marowsky-Bree Subject: Re: [PATCH] secure write for RAID1 Date: Mon, 25 Apr 2005 14:33:28 +0200 Message-ID: <20050425123328.GP32085@marowsky-bree.de> References: <1toqj2-sjd.ln1@news.it.uc3m.es> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: <1toqj2-sjd.ln1@news.it.uc3m.es> Sender: linux-raid-owner@vger.kernel.org To: "Peter T. Breuer" , linux-raid@vger.kernel.org List-Id: linux-raid.ids On 2005-04-23T22:48:01, "Peter T. Breuer" wrote: > This patch (completely untested of course - what, me?) makes RAID1 wr= ite > to all components of a raid-1 array, else return error to the write > attempt, when one component cannot be written. Would it make sense to generalize and introduce a "write quorum" for arrays with more than 2 mirrors - ie, must be committed to at least n disks? This would also apply to RAID6, actually. One could say that it needs t= o be committed to N-1 disks; as RAID6 could cope with N-2 failures, redundancy would still be preserved. Sincerely, Lars Marowsky-Br=E9e --=20 High Availability & Clustering SUSE Labs, Research and Development SUSE LINUX Products GmbH - A Novell Business - To unsubscribe from this list: send the line "unsubscribe linux-raid" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html