Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756603Ab0BQVSA (ORCPT ); Wed, 17 Feb 2010 16:18:00 -0500 Received: from mail.lang.hm ([64.81.33.126]:36646 "EHLO bifrost.lang.hm" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756496Ab0BQVR7 (ORCPT ); Wed, 17 Feb 2010 16:17:59 -0500 Date: Wed, 17 Feb 2010 13:17:43 -0800 (PST) From: david@lang.hm X-X-Sender: dlang@asgard.lang.hm To: Nick Bowler 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. In-Reply-To: <20100217185105.GA15614@emergent.ellipticsemi.com> Message-ID: References: <201002140251.59668.volkerarmin@googlemail.com> <20100217181016.GA14983@emergent.ellipticsemi.com> <201002171927.07051.volkerarmin@googlemail.com> <20100217183703.GA15446@emergent.ellipticsemi.com> <20100217185105.GA15614@emergent.ellipticsemi.com> User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 972 Lines: 25 On Wed, 17 Feb 2010, Nick Bowler wrote: > 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. the assembly time would probably be the same, but the initramfs being proposed did not include that time either. David Lang -- 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/