From owner-freebsd-hackers@FreeBSD.ORG  Fri May 25 13:18:50 2012
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
Delivered-To: freebsd-hackers@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id 541A6106564A;
	Fri, 25 May 2012 13:18:50 +0000 (UTC)
	(envelope-from wojtek@wojtek.tensor.gdynia.pl)
Received: from wojtek.tensor.gdynia.pl (wojtek.tensor.gdynia.pl [89.206.35.99])
	by mx1.freebsd.org (Postfix) with ESMTP id B45938FC15;
	Fri, 25 May 2012 13:18:49 +0000 (UTC)
Received: from wojtek.tensor.gdynia.pl (localhost [127.0.0.1])
	by wojtek.tensor.gdynia.pl (8.14.5/8.14.5) with ESMTP id q4PDIlXe022531;
	Fri, 25 May 2012 15:18:47 +0200 (CEST)
	(envelope-from wojtek@wojtek.tensor.gdynia.pl)
Received: from localhost (wojtek@localhost)
	by wojtek.tensor.gdynia.pl (8.14.5/8.14.5/Submit) with ESMTP id
	q4PDIkMO022528; Fri, 25 May 2012 15:18:47 +0200 (CEST)
	(envelope-from wojtek@wojtek.tensor.gdynia.pl)
Date: Fri, 25 May 2012 15:18:46 +0200 (CEST)
From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: Peter Jeremy <peter@rulingia.com>
In-Reply-To: <20120524204155.GB2675@aspire.rulingia.com>
Message-ID: <alpine.BSF.2.00.1205251518310.22501@wojtek.tensor.gdynia.pl>
References: <alpine.BSF.2.00.1205182209010.9350@wojtek.tensor.gdynia.pl>
	<4FB6B713.7080807@FreeBSD.org>
	<20120524204155.GB2675@aspire.rulingia.com>
User-Agent: Alpine 2.00 (BSF 1167 2008-08-23)
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.2.7
	(wojtek.tensor.gdynia.pl [127.0.0.1]);
	Fri, 25 May 2012 15:18:48 +0200 (CEST)
Cc: freebsd-hackers@freebsd.org, Dimitry Andric <dim@freebsd.org>
Subject: Re: proper newfs options for SSD disk
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
	<freebsd-hackers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>, 
	<mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
	<mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 25 May 2012 13:18:50 -0000

> On 2012-May-18 22:54:43 +0200, Dimitry Andric <dim@freebsd.org> wrote:
>> Be sure to use "-t enable" when creating the filesystem:
>
> Only if your SSD supports TRIM.  Some consumer-grade SSDs don't and
> get very confused if sent TRIM commands.
>
mine do.