From owner-freebsd-questions@FreeBSD.ORG Fri Jul 24 21:05:05 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 23107106564A for ; Fri, 24 Jul 2009 21:05:05 +0000 (UTC) (envelope-from drew@mykitchentable.net) Received: from smtp2.mc.surewest.net (qsmtp.mc.surewest.net [66.60.130.145]) by mx1.freebsd.org (Postfix) with SMTP id D70EB8FC0C for ; Fri, 24 Jul 2009 21:05:04 +0000 (UTC) (envelope-from drew@mykitchentable.net) Received: (qmail 8846 invoked from network); 24 Jul 2009 13:53:17 -0700 Received: by simscan 1.1.0 ppid: 8810, pid: 8813, t: 2.1294s scanners: regex: 1.1.0 attach: 1.1.0 spam: 3.1.7-deb X-Spam-Checker-Version: SpamAssassin 3.1.7-deb (2006-10-05) on smtp2.surewest.net. X-Spam-Level: X-Spam-Status: No, score=0.0 required=10.0 tests=none autolearn=disabled version=3.1.7-deb X-Spam-CMAE-Analysis: v=1.0 c=1 a=jDt-9pEAAAAA:8 a=D53D-1RUiDFV5GNrEtUA:9 a=DOIsQz3JezI15nLgrbpFjJ1miAQA:4 Received: from unknown (HELO blacklamb.mykitchentable.net) (69.62.230.77) by smtp2 with SMTP; 24 Jul 2009 13:53:15 -0700 Received: from [127.0.0.1] (bigdaddy.mykitchentable.net [192.168.1.3]) by blacklamb.mykitchentable.net (Postfix) with ESMTPA id 14ABF164BDD for ; Fri, 24 Jul 2009 14:05:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=mykitchentable.net; s=default; t=1248469501; bh=9lpQG3GD5Vb0J8sYiL6GrHCL+LHa0n0z7ynl3WSXBQE=; h=Message-ID:Date:From:MIME-Version:To:Subject:Content-Type: Content-Transfer-Encoding; b=0bnkRLwJoyw18tAT3Ff6wgmsxXYHYr3eBjGobo4vcn7TduQEwlaooi2sqwIdr3GLs WshEj3/JdmIJrPXfB2choQewH7BllE/brwLfrzAfQW8GiP+hmBAAfEfgjMQ3mo4wTq UE61/bkHA0wx6ng1l1KcYw5NXsYIDB3SueQzObIA= Message-ID: <4A6A21E9.1080201@mykitchentable.net> Date: Fri, 24 Jul 2009 14:04:41 -0700 From: Drew Tomlinson User-Agent: Thunderbird 2.0.0.22 (Windows/20090605) MIME-Version: 1.0 To: freebsd-questions@freebsd.org Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Antivirus: avast! (VPS 090724-0, 07/24/2009), Outbound message X-Antivirus-Status: Clean Subject: How to Benchmark zpool? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Jul 2009 21:05:05 -0000 I'm familiar with testing read speed of regular hard drive like this: dd if=/dev/daX of=/dev/null bs=65536 How would I go about testing the read speed of a version 13 zfs raid1z zpool? Thanks, Drew -- Be a Great Magician! Visit The Alchemist's Warehouse http://www.alchemistswarehouse.com