From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx1.redhat.com (mx1.redhat.com [172.16.48.31]) by int-mx1.corp.redhat.com (8.11.6/8.11.6) with ESMTP id iAIIKYr04269 for ; Thu, 18 Nov 2004 13:20:34 -0500 Received: from mail.ukfsn.org (s2.ukfsn.org [217.158.120.143]) by mx1.redhat.com (8.12.11/8.12.11) with ESMTP id iAIIKWbQ030886 for ; Thu, 18 Nov 2004 13:20:32 -0500 Received: from localhost (lucy.ukfsn.org [127.0.0.1]) by mail.ukfsn.org (Postfix) with ESMTP id DB30FE6D42 for ; Thu, 18 Nov 2004 18:18:17 +0000 (GMT) Received: from mail.ukfsn.org ([127.0.0.1]) by localhost (lucy.ukfsn.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 30074-15 for ; Thu, 18 Nov 2004 18:18:17 +0000 (GMT) Received: from oak.dgreaves.com (modem-1848.parera.dialup.pol.co.uk [81.78.183.56]) by mail.ukfsn.org (Postfix) with ESMTP id 495A3E6D39 for ; Thu, 18 Nov 2004 18:18:17 +0000 (GMT) Received: from ash.dgreaves.com ([10.0.0.101]) by oak.dgreaves.com with esmtp (Exim 4.20) id 1CUqxh-0007ZT-Co for linux-lvm@redhat.com; Thu, 18 Nov 2004 18:24:53 +0000 Message-ID: <419CE7E9.6040602@dgreaves.com> Date: Thu, 18 Nov 2004 18:20:25 +0000 From: David Greaves MIME-Version: 1.0 Subject: Re: [linux-lvm] Software RAID 5 Resizing and LVM References: <1100732495.2496.6.camel@Slacktop.local> <419CDA86.6050503@dgreaves.com> <419CE1AC.60007@theserrs.net> In-Reply-To: <419CE1AC.60007@theserrs.net> Content-Transfer-Encoding: 7bit Reply-To: LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: LVM general discussion and development Oh yes :) It now has an 'add new disk to raid5 array and rebuild parity whilst keeping your data' feature :) It has to be done 'offline'. I'm actually just installing it at the moment. see: http://evms.sourceforge.net/user_guide/#resizemdreg also: http://marc.theaimsgroup.com/?l=evms-devel&w=2&r=1&s=raid5&q=b David Scott Serr wrote: > I have lvm2 on RAID5. With scratch disks you can do pvmoves to move > extents off the RAID stripe onto a scratch disk. Then redo the raid > stripe wider (more disks). Then move the extents back. If you're > (clever) adding a disk and it's partitioned up a little you can use > some of the partitions as "scratch" while bringing other partitions > into the raid. > > Does EVMS have something more elegant? That would be nice. > > -Scott >