From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nick Bowler Subject: Re: Linux mdadm superblock question. Date: Wed, 17 Feb 2010 13:51:05 -0500 Message-ID: <20100217185105.GA15614@emergent.ellipticsemi.com> 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 Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org 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 List-Id: linux-raid.ids 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/)