Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760179AbXFQNcd (ORCPT ); Sun, 17 Jun 2007 09:32:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759223AbXFQNcY (ORCPT ); Sun, 17 Jun 2007 09:32:24 -0400 Received: from animx.eu.org ([216.98.75.249]:50830 "EHLO animx.eu.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752965AbXFQNcX (ORCPT ); Sun, 17 Jun 2007 09:32:23 -0400 Date: Sun, 17 Jun 2007 09:28:09 -0400 From: Wakko Warner To: dean gaudet Cc: Neil Brown , david@lang.hm, linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org Subject: Re: limits on raid Message-ID: <20070617132809.GB7806@animx.eu.org> Mail-Followup-To: dean gaudet , Neil Brown , david@lang.hm, linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org References: <18034.479.256870.600360@notabene.brown> <18034.3676.477575.490448@notabene.brown> <20070616020320.GB2002@animx.eu.org> <18035.23867.576212.859440@notabene.brown> <20070616140857.GA4206@animx.eu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.6+20040907i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1144 Lines: 25 dean gaudet wrote: > On Sat, 16 Jun 2007, Wakko Warner wrote: > > > When I've had an unclean shutdown on one of my systems (10x 50gb raid5) it's > > always slowed the system down when booting up. Quite significantly I must > > say. I wait until I can login and change the rebuild max speed to slow it > > down while I'm using it. But that is another thing. > > i use an external write-intent bitmap on a raid1 to avoid this... you > could use internal bitmap but that slows down i/o too much for my tastes. > i also use an external xfs journal for the same reason. 2 disk raid1 for > root/journal/bitmap, N disk raid5 for bulk storage. no spindles in > common. I must remember this if I have to rebuild the array. Although I'm considering moving to a hardware raid solution when I upgrade my storage. -- Lab tests show that use of micro$oft causes cancer in lab animals Got Gas??? - 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/