From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lars Marowsky-Bree Subject: Re: [PATCH 1/2] md bitmap bug fixes Date: Mon, 14 Mar 2005 10:44:54 +0100 Message-ID: <20050314094454.GK3858@marowsky-bree.de> References: <422F7621.8090602@steeleye.com> <16949.5768.392061.95882@cse.unsw.edu.au> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Content-Disposition: inline In-Reply-To: <16949.5768.392061.95882@cse.unsw.edu.au> Sender: linux-raid-owner@vger.kernel.org To: Neil Brown , Paul Clements Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids On 2005-03-14T15:43:52, Neil Brown wrote: Hi there, just a question about how the bitmap stuff works with 1++-redundancy, say RAID1 with 2 mirrors, or RAID6. One disk fails and is replaced/reattached, and resync begins. Now another disk fails and is replaced. Is the bitmap local to each disk? And in case of RAID1, with 4 disks (and two of them resyncing), could disk3 be rebuild from disk1 and disk4 from disk2 (as to optimize disk bandwidth)? 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