From owner-freebsd-stable@FreeBSD.ORG Fri May 29 11:34:58 2009 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 842B91065670 for ; Fri, 29 May 2009 11:34:58 +0000 (UTC) (envelope-from dan.naumov@gmail.com) Received: from an-out-0708.google.com (an-out-0708.google.com [209.85.132.250]) by mx1.freebsd.org (Postfix) with ESMTP id 3BA0C8FC1A for ; Fri, 29 May 2009 11:34:57 +0000 (UTC) (envelope-from dan.naumov@gmail.com) Received: by an-out-0708.google.com with SMTP id c3so3209995ana.13 for ; Fri, 29 May 2009 04:34:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=4GYhztwA/B//aA7Gpp8wqa1oqWYNtf09FKlIinYqBOk=; b=mY9jNGd3uNd9+/gSEdfStcEmvsWO4JkGELTreYHsYS1YZptEfWkSHOuuLU8S88Js/n JaXIKCdmZ9ihOPZl4iU7sPCdIu8Wx77vN3Mlzc/vOQV3RI1RbVJhLSXzaRUfBs/NmuoX 3ILXNVHlR0dKz69aYr8fsqw4S4LNjJR5JCTCY= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=aWkewsD7groGCOKstVpN/oauBI026qqzF4Xi1GGtwiodrHdl5N+UZQKetPYkynXZhP abwbxP402EsYMXnLrDK8LzHi8cBMSjzEMkaP2C943Sx7uuXu+P90dAOFuWSFL6kJsljP /RF8cmvc+7lB2GuOnplUzgg3U/17uQS5SOaus= MIME-Version: 1.0 Received: by 10.100.110.9 with SMTP id i9mr3455758anc.130.1243596897406; Fri, 29 May 2009 04:34:57 -0700 (PDT) In-Reply-To: <4A1FBD4A.5080204@pp.dyndns.biz> References: <4A1FAB45.4040904@h3q.com> <4A1FBD4A.5080204@pp.dyndns.biz> Date: Fri, 29 May 2009 14:34:57 +0300 Message-ID: From: Dan Naumov To: =?ISO-8859-1?Q?Morgan_Wesstr=F6m?= Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-stable@freebsd.org Subject: Re: ZFS on top of GELI / Intel Atom 330 system 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: Fri, 29 May 2009 11:34:58 -0000 Now that I have evaluated the numbers and my needs a bit, I am really confused about what appropriate course of action for me would be. 1) Use ZFS without GELI and hope that zfs-crypto get implemented in Solaris and ported to FreeBSD "soon" and that when it does, it won't come with such a dramatic performance decrease as GELI/ZFS seems to result in. 2) Go ahead with the original plan of using GELI/ZFS and grind my teeth at the 24 MB/s read speed off a single disk. >> So basically on this system: >> >> unencrypted ZFS read: ~70 MB/s per disk >> >> 128bit Blowfish GELI/ZFS write: 35 MB/s per disk >> 128bit Blowfish GELI/ZFS read: 24 MB/s per disk > I'm in the same spot as you, planning to build a home NAS. I have > settled for graid5/geli but haven't yet decided if I would benefit most > from a dual core CPU at 3+ GHz or a quad core at 2.6. Budget is a concern... Our difference is that my hardware is already ordered and Intel Atom 330 + D945GCLF2 + 2GB ram is what it's going to have :) - Dan Naumov