From owner-freebsd-hackers@FreeBSD.ORG Tue Jun 23 05:07:11 2009 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 95CDC1065670 for ; Tue, 23 Jun 2009 05:07:11 +0000 (UTC) (envelope-from xorquewasp@googlemail.com) Received: from mail-fx0-f217.google.com (mail-fx0-f217.google.com [209.85.220.217]) by mx1.freebsd.org (Postfix) with ESMTP id 1F42C8FC16 for ; Tue, 23 Jun 2009 05:07:10 +0000 (UTC) (envelope-from xorquewasp@googlemail.com) Received: by fxm17 with SMTP id 17so1145023fxm.43 for ; Mon, 22 Jun 2009 22:07:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=domainkey-signature:received:received:received:date:from:to:cc :subject:message-id:references:mime-version:content-type :content-disposition:in-reply-to; bh=BFF3yunLZ+8g/LIGWMnQF/D/do57KQskCPSIUShvdVQ=; b=ZU/Q+HCpqGkD8PhzsIDWlKjAjiLWspPuJOeV+0Qz351FNKEvyby8P9bvSHzzHj/3m1 O2/VAl1jcBXa1ks3MRk7eZrQ98lw9exAyDd7VubENonrAHJk2Fi3ML4v6YJP2kQX6rwg 3vtHIG6jU/iyXtV2uJ9DqCLXfOCGBoLlLhIUk= DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to; b=s6CLIRct1HYPWrSgUeraBjx3CAk3P74bZFXGJoxfHLnPGYGUvSutEHQbXBrioQItPy Tfhv8YIspJXD7la7E36ojE5yxgnMcC0ffsTBoq0vA2h6tRuU7pzmQJ7zNTZd3QKrCUdn /Mkcef4jc0kgDcJ89yNTRWdcMyfYLhtPIBiH4= Received: by 10.204.60.133 with SMTP id p5mr6791336bkh.143.1245733629662; Mon, 22 Jun 2009 22:07:09 -0700 (PDT) Received: from logik.internal.network (geeshaulage.lcdsl.co.uk [62.249.247.223]) by mx.google.com with ESMTPS id 1sm12716272fxm.27.2009.06.22.22.07.08 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 22 Jun 2009 22:07:08 -0700 (PDT) Received: by logik.internal.network (Postfix, from userid 11001) id A397D5D59; Tue, 23 Jun 2009 05:07:07 +0000 (UTC) Date: Tue, 23 Jun 2009 06:07:07 +0100 From: xorquewasp@googlemail.com To: Artem Belevich Message-ID: <20090623050707.GB21349@logik.internal.network> References: <20090623003117.GA94466@logik.internal.network> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Cc: freebsd-hackers@freebsd.org Subject: Re: ZFS filesystem not showing total size? X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 23 Jun 2009 05:07:11 -0000 On 2009-06-22 21:28:26, Artem Belevich wrote: > On Mon, Jun 22, 2009 at 5:31 PM, wrote: > > ad11: 953869MB at ata5-slave SATA300 > .. > > ad14: 476940MB at ata7-master SATA300 > > ad16: 476940MB at ata8-master SATA300 > .. > ># zpool create storage raidz ad11 ad14 ad16 > > I seem to have less storage than I'd expect. Is there something wrong > > with this setup? > > You've created raidz pool from 2x500G hard drives and one 1T hard > drive. RAIDZ needs elements of the array to be of the same size, so > you're effectively wasting half of your 1T drive (ad11). Total raw > capacity of the pool is 476G*3 = ~ 1.36T with 2/3of it (913G) usable > for user data -- exactly what zfs shows you. Thanks, I was afraid of that. I'll swap the 1tb disk for a 500gb today. I was only planning to get 1tb of storage but found that I had a spare 1tb disk laying around so I put that into the array instead. xw