From owner-freebsd-stable@FreeBSD.ORG Fri Jan 7 02:40:54 2011 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 1AA55106566C for ; Fri, 7 Jan 2011 02:40:54 +0000 (UTC) (envelope-from jyavenard@gmail.com) Received: from mail-iy0-f182.google.com (mail-iy0-f182.google.com [209.85.210.182]) by mx1.freebsd.org (Postfix) with ESMTP id CDDE78FC12 for ; Fri, 7 Jan 2011 02:40:53 +0000 (UTC) Received: by iyb26 with SMTP id 26so16096372iyb.13 for ; Thu, 06 Jan 2011 18:40:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=td/t44ndbUwC95ntpe/FPS2EDCVZh38pOI8BUsNCwBU=; b=HMH4NdF5xZTm0L7dYW2+FX6Bb+33rD8T9tmnY/6GgA/3zulofv+F6/f34GEOSgY5f8 evgM6S8enfWwEP3Vdw6raNyBOp3IbSio8RMp+Nw3B4JHW3k5G9htLE8xgVKqgs+rJMoL Hukrg10ETzMO53rNE5YPD2Z2eeQY7IIoXeM8g= 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=u5w1wpOkQPe4ZbIs9X1kXbFXIqdWNlI7aoCnajRYWCy/4GW2Az9/G0aD35/tjujG6v VUnmG4nLqckbIAardzgb0yBYAT7XrOPdpKgs2NZZL2CsqF823Q+VMSwCE5jYkYFj6pUp Q/zlY4jFyCK72rnohauIj1HMCgOnIPenMOdOA= MIME-Version: 1.0 Received: by 10.42.213.201 with SMTP id gx9mr318465icb.330.1294368052976; Thu, 06 Jan 2011 18:40:52 -0800 (PST) Received: by 10.42.172.69 with HTTP; Thu, 6 Jan 2011 18:40:52 -0800 (PST) In-Reply-To: <20110107014249.GA3719@icarus.home.lan> References: <4D1C6F90.3080206@my.gd> <4D21E679.80002@my.gd> <84882169-0461-480F-8B4C-58E794BCC8E6@my.gd> <488AE93A-97B9-4F01-AD0A-0098E4B329C3@my.gd> <20110107014249.GA3719@icarus.home.lan> Date: Fri, 7 Jan 2011 13:40:52 +1100 Message-ID: From: Jean-Yves Avenard To: Jeremy Chadwick Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: "freebsd-stable@freebsd.org" , Artem Belevich , Chris Forgeron Subject: Re: ZFS - moving from a zraid1 to zraid2 pool with 1.5tb disks 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, 07 Jan 2011 02:40:54 -0000 On 7 January 2011 12:42, Jeremy Chadwick wrote: > DDRdrive: > =A0http://www.ddrdrive.com/ > =A0http://www.engadget.com/2009/05/05/ddrdrives-ram-based-ssd-is-snappy-c= ostly/ > > ACard ANS-9010: > =A0http://techreport.com/articles.x/16255 > > GC-RAMDISK (i-RAM) products: > =A0http://us.test.giga-byte.com/Products/Storage/Default.aspx > > Be aware these products are absurdly expensive for what they offer (the > cost isn't justified), not to mention in some cases a bottleneck is > imposed by use of a SATA-150 interface. =A0I'm also not sure if all of > them offer BBU capability. Why not one of those SSD PCIe card that gives over 500MB/s read and write. And they aren't too expensive either...