From owner-freebsd-fs@FreeBSD.ORG  Thu Jun  2 14:13:35 2011
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 69436106568C
	for <freebsd-fs@freebsd.org>; Thu,  2 Jun 2011 14:13:35 +0000 (UTC)
	(envelope-from freebsd-fs@m.gmane.org)
Received: from lo.gmane.org (lo.gmane.org [80.91.229.12])
	by mx1.freebsd.org (Postfix) with ESMTP id 26CF98FC19
	for <freebsd-fs@freebsd.org>; Thu,  2 Jun 2011 14:13:35 +0000 (UTC)
Received: from list by lo.gmane.org with local (Exim 4.69)
	(envelope-from <freebsd-fs@m.gmane.org>) id 1QS8eU-0001ZJ-52
	for freebsd-fs@freebsd.org; Thu, 02 Jun 2011 16:13:34 +0200
Received: from lara.cc.fer.hr ([161.53.72.113])
	by main.gmane.org with esmtp (Gmexim 0.1 (Debian))
	id 1AlnuQ-0007hv-00
	for <freebsd-fs@freebsd.org>; Thu, 02 Jun 2011 16:13:34 +0200
Received: from ivoras by lara.cc.fer.hr with local (Gmexim 0.1 (Debian))
	id 1AlnuQ-0007hv-00
	for <freebsd-fs@freebsd.org>; Thu, 02 Jun 2011 16:13:34 +0200
X-Injected-Via-Gmane: http://gmane.org/
To: freebsd-fs@freebsd.org
From: Ivan Voras <ivoras@freebsd.org>
Date: Thu, 02 Jun 2011 16:13:18 +0200
Lines: 15
Message-ID: <is85pt$6rs$1@dough.gmane.org>
References: <20110602144918.84967ciu5vlp66o8@webmail2.ukgrid.net>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
X-Complaints-To: usenet@dough.gmane.org
X-Gmane-NNTP-Posting-Host: lara.cc.fer.hr
User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US;
	rv:1.9.2.12) Gecko/20101102 Thunderbird/3.1.6
In-Reply-To: <20110602144918.84967ciu5vlp66o8@webmail2.ukgrid.net>
X-Enigmail-Version: 1.1.2
Subject: Re: ZFS on 4K drives - Expanding zpool and adding spares (gnop
	method)
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: Thu, 02 Jun 2011 14:13:35 -0000

On 02/06/2011 15:49, a.smith@ukgrid.net wrote:
>> BTW, you might find this interesting:
>> http://svnweb.freebsd.org/base?view=revision&revision=222520
>
>
> Thanks Andriy.
>
> So will this cause any identified ada disk to be treated as 4K by
> FreeBSD for all operations? Ie under UFS, ZFS etc? Will be great!

No, it's a first step but file systems need to be adapted to use it.

On the other hand, UFS has been modified to use 4K by default, and gpart 
will probably get support for warnings in case of misalignment very soon.