From owner-freebsd-fs@FreeBSD.ORG  Tue Sep 21 19:21:41 2010
Return-Path: <owner-freebsd-fs@FreeBSD.ORG>
Delivered-To: freebsd-fs@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id DC2EA106566C
	for <freebsd-fs@freebsd.org>; Tue, 21 Sep 2010 19:21:41 +0000 (UTC)
	(envelope-from bfriesen@simple.dallas.tx.us)
Received: from blade.simplesystems.org (blade.simplesystems.org [65.66.246.74])
	by mx1.freebsd.org (Postfix) with ESMTP id 75C6F8FC1A
	for <freebsd-fs@freebsd.org>; Tue, 21 Sep 2010 19:21:41 +0000 (UTC)
Received: from freddy.simplesystems.org (freddy.simplesystems.org
	[65.66.246.65])
	by blade.simplesystems.org (8.13.8+Sun/8.13.8) with ESMTP id
	o8LJLeKl007477; Tue, 21 Sep 2010 14:21:40 -0500 (CDT)
Date: Tue, 21 Sep 2010 14:21:40 -0500 (CDT)
From: Bob Friesenhahn <bfriesen@simple.dallas.tx.us>
X-X-Sender: bfriesen@freddy.simplesystems.org
To: Zaphod Beeblebrox <zbeeble@gmail.com>
In-Reply-To: <AANLkTi=ESqvF77+hswv=4xLS0fNPkyS4ET+UVU7fOBrW@mail.gmail.com>
Message-ID: <alpine.GSO.2.01.1009211418180.12887@freddy.simplesystems.org>
References: <AANLkTi=ESqvF77+hswv=4xLS0fNPkyS4ET+UVU7fOBrW@mail.gmail.com>
User-Agent: Alpine 2.01 (GSO 1266 2009-07-14)
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.2
	(blade.simplesystems.org [65.66.246.90]);
	Tue, 21 Sep 2010 14:21:40 -0500 (CDT)
Cc: freebsd-fs <freebsd-fs@freebsd.org>
Subject: Re: Oracle to deny deduplication?
X-BeenThere: freebsd-fs@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Filesystems <freebsd-fs.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-fs>,
	<mailto:freebsd-fs-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-fs>
List-Post: <mailto:freebsd-fs@freebsd.org>
List-Help: <mailto:freebsd-fs-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-fs>,
	<mailto:freebsd-fs-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 21 Sep 2010 19:21:41 -0000

On Tue, 21 Sep 2010, Zaphod Beeblebrox wrote:
>
> Shortly thereafter I found a nice table (here:
> http://docs.sun.com/app/docs/doc/819-5461/appendixa-1?a=view )
>
> ... now notice that the official Oracle table lists version 21 of
> zpool as "Reserved" ... this worries me.  Is the solution to the
> lawsuit against Sun by NetApp (that Oracle settled) that Oracle burys
> deduplication?  This could be bad for people who unbury it.

I think that this is just because Solaris 10 Update 9 is recently 
released and deduplication is not considered robust enough for 
production use yet.  You are looking at a Solaris 10 document.  The 
easy solution was to simply mask it out.  The deduplication code is 
likely still active in Solaris 10 Update 9 zfs, even if it can't be 
enabled by it.

No worries ...

Bob
-- 
Bob Friesenhahn
bfriesen@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/