From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lars Marowsky-Bree Subject: Re: [PATCH 1/2] md bitmap bug fixes Date: Sat, 19 Mar 2005 18:54:17 +0100 Message-ID: <20050319175417.GU18819@marowsky-bree.de> References: <20050319162443.GR18819@marowsky-bree.de> <200503191744.j2JHiKT25357@www.watkins-home.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Content-Disposition: inline In-Reply-To: <200503191744.j2JHiKT25357@www.watkins-home.com> Sender: linux-raid-owner@vger.kernel.org To: Guy , "'Peter T. Breuer'" , linux-raid@vger.kernel.org List-Id: linux-raid.ids On 2005-03-19T12:44:14, Guy wrote: > In the case of a split brain, I think one must be 100% voided, and a = full > re-sync must be done. Exactly. And that's where the bitmaps come into play; you can look at what is modified on each side, merge those sets, and copy all affected blocks from one side to the other; afterwards, you'll have a consistent block device again. 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