From owner-freebsd-stable@FreeBSD.ORG Tue Jan 17 16:21:28 2012 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5D7EA1065673 for ; Tue, 17 Jan 2012 16:21:28 +0000 (UTC) (envelope-from lattera@gmail.com) Received: from mail-tul01m020-f182.google.com (mail-tul01m020-f182.google.com [209.85.214.182]) by mx1.freebsd.org (Postfix) with ESMTP id 248828FC0C for ; Tue, 17 Jan 2012 16:21:27 +0000 (UTC) Received: by obcwo16 with SMTP id wo16so3553228obc.13 for ; Tue, 17 Jan 2012 08:21:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=Z3mnH9gFmtPrB7EHItBJWku4zb9l5R7xiy0qlbWD7NQ=; b=D4z+Jcg+QcV41+PCqgFBYaTLjcm//gZZaceINbOq6xp083LwRxTlgsLhnrl3QaQ7oj kjJAD3L413/8/5WpHllT8SNG9XmYa8m45q35r4aML2zDT90IpuDIqm+0fvv97U/tM0Ez IBvDHYB6Ltq3zzreyTyLF4AZxta/GB9Pw2Krk= MIME-Version: 1.0 Received: by 10.182.111.10 with SMTP id ie10mr757350obb.77.1326817287536; Tue, 17 Jan 2012 08:21:27 -0800 (PST) Received: by 10.182.33.233 with HTTP; Tue, 17 Jan 2012 08:21:27 -0800 (PST) In-Reply-To: References: Date: Tue, 17 Jan 2012 09:21:27 -0700 Message-ID: From: Shawn Webb To: Tom Evans Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: Christer Solskogen , FreeBSD Stable Subject: Re: ZFS / zpool size X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Jan 2012 16:21:28 -0000 shawn@indianapolis:~$ pfexec format Searching for disks...done AVAILABLE DISK SELECTIONS: =A0 =A0 =A0 =A00. c1d0 =A0 =A0 =A0 =A0 =A0 /pci@0,0/pci-ide@11/ide@0/cmdk@0,0 =A0 =A0 =A0 =A01. c1d1 =A0 =A0 =A0 =A0 =A0 /pci@0,0/pci-ide@11/ide@0/cmdk@1,0 =A0 =A0 =A0 =A02. c2d0 =A0 =A0 =A0 =A0 =A0 /pci@0,0/pci-ide@11/ide@1/cmdk@0,0 =A0 =A0 =A0 =A03. c2d1 =A0 =A0 =A0 =A0 =A0 /pci@0,0/pci-ide@11/ide@1/cmdk@1,0 =A0 =A0 =A0 =A04. c4d0 =A0 =A0 =A0 =A0 =A0 /pci@0,0/pci-ide@14,1/ide@1/cmdk@0,0 Specify disk (enter its number): ^C shawn@indianapolis:~$ zpool status tank =A0 pool: tank =A0state: ONLINE =A0 scan: scrub repaired 0 in 4h53m with 0 errors on Tue Dec 20 12:03:36 20= 11 config: =A0 =A0 =A0 =A0 NAME =A0 =A0 =A0 =A0STATE =A0 =A0 READ WRITE CKSUM =A0 =A0 =A0 =A0 tank =A0 =A0 =A0 =A0ONLINE =A0 =A0 =A0 0 =A0 =A0 0 =A0 =A0 = 0 =A0 =A0 =A0 =A0 =A0 raidz1-0 =A0ONLINE =A0 =A0 =A0 0 =A0 =A0 0 =A0 =A0 0 =A0 =A0 =A0 =A0 =A0 =A0 c1d0 =A0 =A0ONLINE =A0 =A0 =A0 0 =A0 =A0 0 =A0 =A0 = 0 =A0 =A0 =A0 =A0 =A0 =A0 c1d1 =A0 =A0ONLINE =A0 =A0 =A0 0 =A0 =A0 0 =A0 =A0 = 0 =A0 =A0 =A0 =A0 =A0 =A0 c2d1 =A0 =A0ONLINE =A0 =A0 =A0 0 =A0 =A0 0 =A0 =A0 = 0 errors: No known data errors On Tue, Jan 17, 2012 at 9:18 AM, Tom Evans wrote= : > On Tue, Jan 17, 2012 at 4:00 PM, Christer Solskogen > wrote: >> A overhead of almost 300GB? That seems a bit to much, don't you think? >> The pool consist of one vdev with two 1,5TB disks and one 3TB in raidz1. >> > > Confused about your disks - can you show the output of zpool status. > > If you have a raidz of N disks with a minimum size of Y GB, you can > expect ``zpool list'' to show a size of N*Y and ``zfs list'' to show a > size of roughly (N-1)*Y. > > So, on my box with 2 x 6 x 1.5 TB drives in raidz, I see a zpool size > of 16.3 TB, and a zfs size of 13.3 TB. > > Cheers > > Tom