Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753975Ab0BQSvS (ORCPT ); Wed, 17 Feb 2010 13:51:18 -0500 Received: from dsl-67-204-24-19.acanac.net ([67.204.24.19]:45527 "EHLO emergent.ellipticsemi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751408Ab0BQSvR (ORCPT ); Wed, 17 Feb 2010 13:51:17 -0500 Date: Wed, 17 Feb 2010 13:51:05 -0500 From: Nick Bowler To: david@lang.hm Cc: Volker Armin Hemmann , Kyle Moffett , Rudy Zijlstra , Neil Brown , "Mr. James W. Laferriere" , Bill Davidsen , Michael Evans , linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org Subject: Re: Linux mdadm superblock question. Message-ID: <20100217185105.GA15614@emergent.ellipticsemi.com> Mail-Followup-To: david@lang.hm, Volker Armin Hemmann , Kyle Moffett , Rudy Zijlstra , Neil Brown , "Mr. James W. Laferriere" , Bill Davidsen , Michael Evans , linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org References: <201002140251.59668.volkerarmin@googlemail.com> <20100217181016.GA14983@emergent.ellipticsemi.com> <201002171927.07051.volkerarmin@googlemail.com> <20100217183703.GA15446@emergent.ellipticsemi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: Elliptic Technologies Inc. User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 866 Lines: 21 On 10:41 Wed 17 Feb , david@lang.hm wrote: > On Wed, 17 Feb 2010, Nick Bowler wrote: > > It takes about half a second for mdadm to assemble my root array, is > > that what you're referring to? > > > > I assume that kernel auto-assembly is no faster, although I've never > > used it. Regardless, half a second isn't very long to wait. > > If you are aiming for a 5-second boot time it's 10% of your total boot > time. That's a lot for a feature that's not needed. Only if the kernel auto-assembly takes zero time, which it obviously does not. -- Nick Bowler, Elliptic Technologies (http://www.elliptictech.com/) -- 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/