From owner-freebsd-geom@FreeBSD.ORG Fri Jan 19 15:58:33 2007 Return-Path: X-Original-To: freebsd-geom@freebsd.org Delivered-To: freebsd-geom@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 774DD16A402 for ; Fri, 19 Jan 2007 15:58:33 +0000 (UTC) (envelope-from bashr@comcast.net) Received: from sccrmhc13.comcast.net (sccrmhc13.comcast.net [204.127.200.83]) by mx1.freebsd.org (Postfix) with ESMTP id 44B7413C46A for ; Fri, 19 Jan 2007 15:58:33 +0000 (UTC) (envelope-from bashr@comcast.net) Received: from [149.28.227.65] (unknown[149.28.227.65]) by comcast.net (sccrmhc13) with ESMTP id <2007011915583201300l4gahe>; Fri, 19 Jan 2007 15:58:32 +0000 Message-ID: <45B0EAA7.7020609@comcast.net> Date: Fri, 19 Jan 2007 10:58:31 -0500 From: bashr User-Agent: Thunderbird 1.5.0.9 (X11/20061228) MIME-Version: 1.0 CC: freebsd-geom@freebsd.org References: <20070113004728.GQ2616@obiwan.tataz.chchile.org> <45A85F40.7050703@centtech.com> <45A8B722.7020302@fluffles.net> In-Reply-To: <45A8B722.7020302@fluffles.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: What is gstripe ? X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: bashr@comcast.net List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Jan 2007 15:58:33 -0000 Fluffles wrote: > concurrency. It's very important to select a high stripe size though; if > you lower the stripesize to say 16KB the parallellisation effect will be > almost gone: > How do you decide what stripe size to use? Are there handy rules-of-thumb? I must have used the default stripe size when setting up gstripe here, 4096. There are two gstripes here, which are then gmirrored. Are there similar effects of gmirror sector size?