Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750940AbWHAVYy (ORCPT ); Tue, 1 Aug 2006 17:24:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750984AbWHAVYy (ORCPT ); Tue, 1 Aug 2006 17:24:54 -0400 Received: from mx1.redhat.com ([66.187.233.31]:11724 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S1750940AbWHAVYx (ORCPT ); Tue, 1 Aug 2006 17:24:53 -0400 To: Michael Tokarev Cc: David Greaves , Neil Brown , Andrew Morton , linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org Subject: Re: let md auto-detect 128+ raid members, fix potential race condition References: <20060730124139.45861b47.akpm@osdl.org> <17613.16090.470524.736889@cse.unsw.edu.au> <44CE7A9B.8020508@dgreaves.com> <44CF109C.7060008@tls.msk.ru> From: Alexandre Oliva Organization: Red Hat OS Tools Group Date: Tue, 01 Aug 2006 18:24:11 -0300 In-Reply-To: <44CF109C.7060008@tls.msk.ru> (Michael Tokarev's message of "Tue, 01 Aug 2006 12:28:12 +0400") Message-ID: User-Agent: Gnus/5.1007 (Gnus v5.10.7) XEmacs/21.5-b27 (linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1507 Lines: 35 On Aug 1, 2006, Michael Tokarev wrote: > Alexandre Oliva wrote: > [] >> If mdadm can indeed scan all partitions to bring up all raid devices >> in them, like nash's raidautorun does, great. I'll give that a try, > Never, ever, try to do that (again). Mdadm (or vgscan, or whatever) > should NOT assemble ALL arrays found, but only those which it has > been told to assemble. This is it again: you bring another disk into > a system (disk which comes from another machine), and mdadm finds > FOREIGN arrays and brings them up as /dev/md0, where YOUR root > filesystem should be. That's what 'homehost' option is for, for > example. Exactly. So make it /all/all local/, if you must. It's the same as far as I'm concerned. > If initrd should be reconfigured after some changes (be it raid > arrays, LVM volumes, hostname, whatever), -- I for one am fine > with that. Feel free to be fine with it, as long as you also let me be free to not be fine with it and try to cut a better deal :-) -- Alexandre Oliva http://www.lsd.ic.unicamp.br/~oliva/ Secretary for FSF Latin America http://www.fsfla.org/ Red Hat Compiler Engineer aoliva@{redhat.com, gcc.gnu.org} Free Software Evangelist oliva@{lsd.ic.unicamp.br, gnu.org} - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/