From owner-freebsd-stable@FreeBSD.ORG Sun Jan 10 15:08:39 2010 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 9DDE4106566B; Sun, 10 Jan 2010 15:08:39 +0000 (UTC) (envelope-from dan.naumov@gmail.com) Received: from mail-gx0-f218.google.com (mail-gx0-f218.google.com [209.85.217.218]) by mx1.freebsd.org (Postfix) with ESMTP id 498F78FC0C; Sun, 10 Jan 2010 15:08:39 +0000 (UTC) Received: by gxk10 with SMTP id 10so19755743gxk.3 for ; Sun, 10 Jan 2010 07:08:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:date:message-id:subject :from:to:content-type; bh=H0SKTpX3MAzf78YJXdcG+7YOk9/khvqbwWSKqz1uwvA=; b=R6DILnfT6LIWkv9lhXGPDSU61gu1TAbXt/fBV+li9W9N/R1mv/a8flAhzLroT2UIKz I437l1JrioqVfTmCWt6YOxMzpOo0z9cICvdd6tme0AFufqRHEkt9v3aQk1IcyPoiJrGb q3Jkp4RctHzbyjX7hUQzBQTQ6YdXrieRLiZkU= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=ShMxoGOy4AD0W4ltHxTZEB/W0yqmTzahVYukcWvwm5n9q3WbyiuDupo22cTG8AilPf fIJqeyZP6HvlqRvRrHqpgT/0KDxYgsXpsZGYtyjg3byddelO5yTXjuFnFyJ75qO0Pr2C 020HkR1K0ojO8yLubEQNsMIWO4F6E4bvfi4Ys= MIME-Version: 1.0 Received: by 10.101.132.25 with SMTP id j25mr4982969ann.79.1263136110033; Sun, 10 Jan 2010 07:08:30 -0800 (PST) Date: Sun, 10 Jan 2010 17:08:29 +0200 Message-ID: From: Dan Naumov To: FreeBSD-STABLE Mailing List , freebsd-fs@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 Cc: Subject: ZFS on top of GELI 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: Sun, 10 Jan 2010 15:08:39 -0000 Hello list. I am evaluating options for my new upcoming storage system, where for various reasons the data will be stored on 2 x 2tb SATA disk in a mirror and has to be encrypted (a 40gb Intel SSD will be used for the system disk). Right now I am considering the options of FreeBSD with GELI+ZFS and Debian Linux with MDRAID and cryptofs. Has anyone here made any benchmarks regarding how much of a performance hit is caused by using 2 geli devices as vdevs for a ZFS mirror pool in FreeBSD (a similar configuration is described here: http://blog.experimentalworks.net/2008/03/setting-up-an-encrypted-zfs-with-freebsd/)? Some direct comparisons using bonnie++ or similar, showing the number differences of "this is read/write/IOPS on top of a ZFS mirror and this is read/write/IOPS on top of a ZFS mirror using GELI" would be nice. I am mostly interested in benchmarks on lower end hardware, the system is an Atom 330 which is currently using Windows 2008 server with TrueCrypt in a non-raid configuration and with that setup, I am getting roughly 55mb/s reads and writes when using TrueCrypt (nonencrypted it's around 115mb/s). Thanks. - Sincerely, Dan Naumov