From owner-freebsd-hackers@FreeBSD.ORG  Wed Jan 18 18:53:37 2006
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
X-Original-To: freebsd-hackers@freebsd.org
Delivered-To: freebsd-hackers@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 39E8B16A41F
	for <freebsd-hackers@freebsd.org>; Wed, 18 Jan 2006 18:53:37 +0000 (GMT)
	(envelope-from devon.odell@gmail.com)
Received: from xproxy.gmail.com (xproxy.gmail.com [66.249.82.200])
	by mx1.FreeBSD.org (Postfix) with ESMTP id C2BA643D4C
	for <freebsd-hackers@freebsd.org>; Wed, 18 Jan 2006 18:53:36 +0000 (GMT)
	(envelope-from devon.odell@gmail.com)
Received: by xproxy.gmail.com with SMTP id s9so8749wxc
	for <freebsd-hackers@freebsd.org>; Wed, 18 Jan 2006 10:53:36 -0800 (PST)
DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com;
	h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references;
	b=VnQI4vII71yHGu1aemyWOeCzKmRgSG9bIa0Nv62f7ZGTwBO413RaKR692zUvh3/4Rodx7f8FDYOagRK9lKb8qbDa0dQFtDtAeLoClz5vu0++F9p55AbF+fZKZC2jtOEz7FnInk5SrJwgB73nPZNv38YVfGrMAVtdpCcHsRgw/fU=
Received: by 10.70.69.10 with SMTP id r10mr10994490wxa;
	Wed, 18 Jan 2006 10:53:35 -0800 (PST)
Received: by 10.70.65.4 with HTTP; Wed, 18 Jan 2006 10:53:35 -0800 (PST)
Message-ID: <9ab217670601181053r41132634y@mail.gmail.com>
Date: Wed, 18 Jan 2006 10:53:35 -0800
From: "Devon H. O'Dell" <devon.odell@gmail.com>
To: Ensel Sharon <user@dhp.com>
In-Reply-To: <Pine.LNX.4.21.0601181228590.8684-100000@shell.dhp.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline
References: <Pine.LNX.4.21.0601181228590.8684-100000@shell.dhp.com>
Cc: freebsd-hackers@freebsd.org
Subject: Re: tuning to run large (1000+) numbers of null_mounts
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: Wed, 18 Jan 2006 18:53:37 -0000

2006/1/18, Ensel Sharon <user@dhp.com>:
>
> I am running over 2000 null mounts on a FreeBSD 6.0-RELEASE system.  I am
> well aware of the status of the null_mount code, as advertised in the
> mount_nullfs man page:
>
>      THIS FILE SYSTEM TYPE IS NOT YET FULLY SUPPORTED (READ: IT DOESN'T
> WORK)
>      AND USING IT MAY, IN FACT, DESTROY DATA ON YOUR SYSTEM.  USE AT YOUR
> OWN
>      RISK.  BEWARE OF DOG.  SLIPPERY WHEN WET.

This has been removed from the manpage because it's no longer
accurate. I believe I recall seeing another thread with someone asking
whether it still applied and the answer was, ``No.''

--Devon