From owner-freebsd-fs@FreeBSD.ORG Wed Jan 23 21:27:06 2013 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 885A199F; Wed, 23 Jan 2013 21:27:06 +0000 (UTC) (envelope-from utisoft@gmail.com) Received: from mail-ie0-f181.google.com (mail-ie0-f181.google.com [209.85.223.181]) by mx1.freebsd.org (Postfix) with ESMTP id 53DE990; Wed, 23 Jan 2013 21:27:06 +0000 (UTC) Received: by mail-ie0-f181.google.com with SMTP id 16so14553810iea.12 for ; Wed, 23 Jan 2013 13:27:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:mime-version:in-reply-to:references:from:date:message-id :subject:to:cc:content-type; bh=Ivy7C2YjvDfWp3QZS8yC0nQrhMbEcWyVaemhiS/3fa8=; b=zD5E0aIEDSnyWNt0WzLtOfa9WlNyfsbpL1BeP1fFSSuMTjB8U/Xx2KqiEuVtnzcfmo 1TieAnjL4moMybwoRUZoPMLW7FMXC1cEEbfD01pnIvos9EiOisrk8xmjer0wZvJiQFjO CaV9YMQVmxQ6k5xe8VtmoNAYp2tKxJTJs4p+zIIDi3PMVHQLNVJRBNUvs9zHOrhlKxf0 BqeIid6lCH7n0MFMEcimxhv+Wf4oU6/vVBaT31ozBkRC2JR3jOY1Xw6cD58Zk+gnaBF1 LZ6foO2KcXV/xmcV+VDMdTuNVO8djuadNVQbfqX0LONHxku0Yfnee/S9oLDh9129MiyQ wS4Q== X-Received: by 10.50.202.97 with SMTP id kh1mr16748010igc.15.1358976425937; Wed, 23 Jan 2013 13:27:05 -0800 (PST) MIME-Version: 1.0 Received: by 10.64.16.73 with HTTP; Wed, 23 Jan 2013 13:26:35 -0800 (PST) In-Reply-To: References: <20130122073641.GH30633@server.rulingia.com> From: Chris Rees Date: Wed, 23 Jan 2013 21:26:35 +0000 Message-ID: Subject: Re: ZFS regimen: scrub, scrub, scrub and scrub again. To: Wojciech Puchar Content-Type: text/plain; charset=ISO-8859-1 Cc: "freebsd-fs@freebsd.org" , "freebsd-hackers@freebsd.org" , Mark Felder X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 23 Jan 2013 21:27:06 -0000 On 23 January 2013 21:24, Wojciech Puchar wrote: >> >> I've heard this same thing -- every vdev == 1 drive in performance. I've >> never seen any proof/papers on it though. > > read original ZFS papers. No, you are making the assertion, provide a link. Chris