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Date:      Wed, 31 Mar 2004 01:59:46 -0800
From:      Scott Sewall <scott@redlinenetworks.com>
To:        Steve Kargl <sgk@troutmask.apl.washington.edu>
Cc:        current@freebsd.org
Subject:   Re: write on device
Message-ID:  <406A9692.4080501@redlinenetworks.com>
In-Reply-To: <20040131170630.GA75298@troutmask.apl.washington.edu>
References:  <401B31DA.9000203@ciam.ru> <20040131170630.GA75298@troutmask.apl.washington.edu>

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Steve Kargl wrote:

>On Sat, Jan 31, 2004 at 07:40:58AM +0300, Sergey Matveychuk wrote:
>  
>
>>Hello.
>>
>>It's looks like I can't write on devices into boot area on 5.x?
>>Even when I'm root. Why?
>>I can't create a partition, can't change MBR (I'm working with grub).
>>
>>Is there a workaround?
>>    
>>
>
>This is becoming a FAQ.  The author of GEOM has given GEOM
>the useful feature of disabling writes to active devices.
>You can set the kern.geom.debugflags sysctl in /boot/loader.conf
>to 16 which allows footshooting.
>  
>
No need to modify loader.conf. You can simply execute the following command:

    sysctl -w kern.geom.debugflags=16

-- Scott




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