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Date: Fri, 3 Feb 2006 20:53:58 -0600 (CST)
From: Philip Hallstrom <freebsd@philip.pjkh.com>
To: Kris Kennaway <kris@obsecurity.org>
In-Reply-To: <20060204011033.GA14566@xor.obsecurity.org>
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Cc: questions@freebsd.org
Subject: Re: How to share directories b/n jails on 6.0?
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> On Fri, Feb 03, 2006 at 07:02:43PM -0600, Philip Hallstrom wrote:
>> Hi -
>>
>> I've got a new 6.0 box and have setup some jails.  I'd like to share
>> /usr/ports from the host, to each of the jails.
>>
>> I tried mount_unionfs and while it worked, the box would crash if I did
>> anything intensive (ie. compile a port).
>>
>> Googling around and people say they are using nullfs okay, but the manpage
>> ends with:
>>
>> 	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.
>
> nullfs is fine in 6.0, and the warning has been removed.

Good to know it's cool.  I'll start playing with it.  The warning is still 
there though... in both 6-stable and 7-current.

http://www.freebsd.org/cgi/man.cgi?query=mount_nullfs&apropos=0&sektion=0&manpath=FreeBSD+6.0-stable&format=html
http://www.freebsd.org/cgi/man.cgi?query=mount_nullfs&apropos=0&sektion=0&manpath=FreeBSD+7.0-current&format=html

Thanks!