From owner-freebsd-stable@FreeBSD.ORG Tue Jan 17 16:18:11 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 AFEF9106566C for ; Tue, 17 Jan 2012 16:18:11 +0000 (UTC) (envelope-from tevans.uk@googlemail.com) Received: from mail-vw0-f54.google.com (mail-vw0-f54.google.com [209.85.212.54]) by mx1.freebsd.org (Postfix) with ESMTP id 6534D8FC0A for ; Tue, 17 Jan 2012 16:18:11 +0000 (UTC) Received: by vbbey12 with SMTP id ey12so1932843vbb.13 for ; Tue, 17 Jan 2012 08:18:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=YRI7lv9d2ldleKMvEBaEJ7oJwhxb1ANA2+NL2gXhmms=; b=h8kR3nh7dK0k47yOl+IOSrw7Y2ck/p44uSqKCUYKs3LaGDDNHjwGXfv+Mfm7ixS3bm 3QnZvu9tCxS7fVj/YUhAfxiKAQ85nu/0IS4HyFiNE3xxqzBCAtQQpxl/mi7zecaS0T4T aCJ9ess3NxdM6Mbebi5j9BdqcA90rJ1+T1hHU= MIME-Version: 1.0 Received: by 10.52.93.77 with SMTP id cs13mr1432125vdb.71.1326817090453; Tue, 17 Jan 2012 08:18:10 -0800 (PST) Received: by 10.52.110.39 with HTTP; Tue, 17 Jan 2012 08:18:10 -0800 (PST) In-Reply-To: References: Date: Tue, 17 Jan 2012 16:18:10 +0000 Message-ID: From: Tom Evans To: Christer Solskogen Content-Type: text/plain; charset=UTF-8 Cc: FreeBSD Stable , Shawn Webb 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 16:18:11 -0000 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